Latest product

When integrating a TFT LCD module into your device, power supply is one of the first and most important things to confirm. Our display lineup covers sizes from tiny 0.96-inch screens up to 7-inch panels, widely used for smart wearables, handheld meters, home automation, IoT gadgets, POS systems and industrial HMI. While these LCMs look similar at a glance, their power requirements differ between the display driver circuit and LED backlight. Getting the voltage right helps you avoid screen flicker, unstable touch, driver burnout and unnecessary debugging delays. VDD feeds the display driver IC and communication interface, whether it is SPI, MCU, RGB or MIPI. For nearly all 0.96” to 7” panels in our range, the recommended typical VDD is 3.3V. Some ultra-small 0.96”–1.8” SPI modules support low-power 2.8V operation, perfect for battery-powered products. Many modules also come with an onboard LDO regulator, accepting 5V external input and converting it into stable 3.3V for the panel. A key reminder: your host board’s IO logic level must match the display logic voltage. A 3.3V panel cannot take 5V signal lines directly without a level shifter. VLED powers the LED backlight string, and this voltage changes a lot depending on screen size, LED quantity and PCB design. It runs separately from the panel core. Small screens usually carry simple backlight circuits compatible with 3.3V or 5V. Larger 4.3”, 5” and 7” panels often require higher backlight voltage, with options for wide-voltage input and PWM dimming. Voltage overview by screen size0.96” – 1.8”: Compact SPI color displays. Standard VDD: 2.8V–3.3V. Most breakout versions support 5V input. Backlight: 3.3V / 5V. Ideal for indicators, wearable devices and portable sensors with limited power budget. 2.0” – 3.5”: Popular handheld and instrument screens. Default VDD: 3.3V, 5V-input compatible variants available. Backlight typically 5V. Works well for portable terminals and control panels. 4.3” – 5”: RGB interface panels for HMI and POS. Panel driver stays at 3.3V. Backlight commonly 5V or 7V. Resistive or capacitive touch IC on these modules also run on 3.3V. 7” TFT modules: For industrial control and embedded human-machine interfaces. Core VDD remains 3.3V. Backlight ranges from 5V to 12V. Custom carrier boards can support wide industrial input such as 9–24V for cabinet installation. Common power pitfalls to watch out forEven with correct nominal voltage, many projects run into display issues from simple design oversights.Do not feed backlight voltage into the VDD pin — this will damage the driver IC instantly. Watch voltage ripple from your power source; excessive ripple causes flickering and colour distortion. We suggest keeping ripple below 100mV for VDD.Check your current rating, not only voltage. A power supply with the right voltage but insufficient current will struggle when the screen shows bright, full-white content. For backlights, remember LEDs need constant-current driving rather than fixed voltage only. Overcurrent will shorten the backlight lifespan significantly.

In industrial control, smart home, medical equipment, automotive terminals, and outdoor display applications, As the structural carrier of TFT display modules, the frame fixes the LCD panel, backlight unit, and FPC layout, while providing mechanical protection and mounting support. Metal frame TFT modules focus on industrial-grade stability, durability and harsh environment adaptability, while plastic frame modules highlight lightweight design, signal anti-interference and cost advantages.  1. Metal (Iron) Frame TFT Module: High Rigidity & Ultra-High Stability for Harsh Industrial ScenariosBest Application Scenarios: Industrial control panels, outdoor high-brightness displays, vehicle-mounted terminals, medical devices, precision instruments, and vibration-prone industrial equipment.Core AdvantagesSuperior Mechanical Durability: The high-hardness metal frame effectively resists extrusion, impact and vibration, maintaining stable display performance in high-vibration equipment such as industrial machine tools, vehicle-mounted terminals, and engineering machinery. It greatly improves the module’s drop resistance and structural stability during long-term operation.Excellent Heat Dissipation & Aging Resistance: Metal materials deliver outstanding thermal conductivity, efficiently exporting heat generated by high-brightness backlight LEDs. This avoids local overheating, ensures long-term brightness consistency, and extends the overall MTBF (Mean Time Between Failures) of the display module, perfectly matching 700–1000cd/㎡ high-brightness display solutions for outdoor and industrial use.Precision Mounting & Low Deformation: With high dimensional accuracy and minimal thermal expansion and contraction, the iron frame does not deform in wide temperature environments (-20℃ to 70℃). Strong Anti-Interference & Shielding Performance: The metal frame forms a stable shielding structure, effectively isolating external electromagnetic interference and ensuring clear and stable display signals in complex industrial electromagnetic environments. 2. Plastic (Rubber) Frame TFT Module: Lightweight & Anti-Interference for Compact Smart TerminalsBest Application Scenarios: Smart home terminals, handheld portable devices, POS cash registers, wearable devices, NFC interactive terminals, and indoor consumer electronic displays.Core AdvantagesUltra-Lightweight & Slim Structure: The plastic frame is significantly lighter than metal frames, reducing the overall weight of terminal equipment. Its slim and compact structure adapts to narrow installation spaces, perfectly fitting portable devices and miniaturized smart hardware.Zero Signal Shielding for Wireless Sensing: Different from metal frames that block electromagnetic signals, the non-metallic plastic frame causes no interference to NFC, Bluetooth, WiFi and other wireless sensing signals. It effectively guarantees the stability of antenna induction and signal transmission, which is irreplaceable for intelligent terminals with wireless interaction functions.High Design Flexibility & Customization: Injection molding supports personalized structural customization, including special-shaped openings, customized FPC outlet directions, and exclusive border sizes. Cost-Effective & Anti-Corrosion: The plastic frame features low mold opening cost and stable mass production quality. It has excellent moisture-proof and anti-corrosion properties, adapting to conventional indoor temperature and humidity environments, and maximizing cost performance for consumer display products.

Product AdvantagesDifferent from ordinary civilian display screens, our 3.5-inch TFT LCD module focuses on industrial-grade reliability and practicality. First, it features superior stability and durability, with anti-interference, anti-shake and long-term continuous operation capabilities, avoiding screen flicker, color distortion and failure in complex working conditions. Second, it has excellent compatibility and scalability, supporting multiple interface modes and customizable touch, brightness and structural parameters, which can be tailored according to customers’ personalized product development needs. Third, the optimized power consumption design realizes low-power and high-efficiency operation, effectively reducing the overall energy consumption of terminal equipment. In addition, the product undergoes strict quality inspection and aging tests, with stable batch consistency and low failure rate, greatly reducing customers’ after-sales maintenance costs. Core Product SpecificationsThe 3.5-inch LCD display module adopts advanced a-Si TFT active matrix driving technology, with standardized and high-precision hardware parameters to ensure stable and consistent display performance in long-term operation. The detailed specifications are as follows:- Display Size & Active Area: 3.5-inch diagonal, with an active display area of 48.96mm (H) × 73.44mm (V), featuring a compact and reasonable layout suitable for space-constrained device designs- Resolution & Pixel Pitch: Supports mainstream 320×480 high-definition resolution, with a fine pixel pitch of 0.153mm, presenting sharp text, delicate graphics and seamless dynamic screen display- Color Performance: Equipped with 18-bit RGB color depth, supporting up to 16.7M rich colors, effectively restoring true color details and realizing high-fidelity color reproduction- Viewing Angle & Panel Type: Adopts IPS wide-view panel technology, achieving ultra-wide viewing angles with no color shift or brightness attenuation from all directions, greatly improving the visual experience of interactive operation- Brightness & Backlight System: Built-in high-brightness LED backlight module with optional 300–850 cd/m² brightness range, adapting to indoor, outdoor and high-light working environments; 8 LED backlight units ensure uniform brightness and long service life- Driver IC & Interface: Compatible with mainstream high-performance driver ICs including ILI9488 and ST7796S, supporting multiple mainstream interface protocols such as RGB 18-bit, MCU and SPI, realizing fast signal transmission and low-latency screen response- Touch Function (Optional): Supports customized capacitive touch (CTP) or resistive touch panels (RTP), realizing sensitive, accurate and durable human-computer interaction, meeting diverse interactive scenario demands- Environmental Adaptability: Industrial-grade wide temperature design, with an operating temperature range of -20°C to +70°C and storage temperature range of -30°C to +80°C, resisting extreme temperature changes and harsh industrial environments- Structural Parameters: Compact module outline size, ultra-thin body design, with stable structural durability, easy for embedded installation and secondary development of various terminal devices Wide Application ScenariosBenefiting from its compact size, stable performance and strong adaptability, the 3.5-inch LCD display module is widely applicable in multiple fields: industrial control panels and PLC equipment, portable medical diagnostic instruments, handheld detection devices, intelligent vehicle display terminals, industrial Internet of Things terminals, smart home control panels and other commercial and industrial terminal products. It is an ideal display component for small and medium-sized intelligent terminal equipment upgrading and iteration.

Polcd at CES 2023 The first day of the Consumer Electronics Show in Las Vegas, USA. If you want to know more, we have a very professional business team to answer on the spot, and there are surprise gifts to give, welcome to come to us!   Time: JAN 5--8 2023 Booth No.54666 Las Vegas, United States polcd            

Polcd at CES 2023  The 2023 CES Las Vegas Consumer Electronics Show has ended, and we have made many friends at the scene. Exhibitors include 0.96-10.1-inch TFT LCD monitors, industrial monitors, portable monitors, fast chargers for electronic products, mechanical keyboards and mice, etc. Show you the scene!Feel free to contact us for more product details!     Time: JAN 5--8 2023Booth No.54666Las Vegas, United States polcd

What Is an IPS LCD Screen?IPS stands for In-Plane Switching, an advanced liquid crystal display (LCD) panel technology first developed in 1996 to optimize the defects of early TN (Twisted Nematic) LCD panels. Different from traditional LCD structures where liquid crystal molecules move vertically between glass substrates, IPS technology enables liquid crystal molecules to rotate and align horizontally and parallel to the panel plane under electric field control. This unique in-plane switching structure is the fundamental reason for its superior display performance compared with conventional panels.As a mainstream TFT-LCD technology, IPS panels retain the basic imaging principle of LCD while upgrading the liquid crystal arrangement and electric field driving mode. It fundamentally improves the poor color reproduction, severe color shift and narrow viewing angle problems that plagued early TN panels, becoming the most cost-effective and versatile display technology in the current consumer and professional display markets. Key Advantages of IPS LCD Display1. Ultra-Wide Viewing AnglesIPS screens support a full 178° horizontal and vertical viewing angle, achieving true "full-angle lossless display". Unlike TN panels that suffer from obvious color fading, brightness reduction and contrast inversion when viewed slightly off-center, IPS panels maintain consistent color and brightness from any viewing position. This advantage makes IPS screens perfect for multi-person viewing scenarios such as family TV watching and team office collaboration.2. Accurate and True-to-Life Color ReproductionColor accuracy is the core competitiveness of IPS technology. IPS panels feature high color gamut coverage, stable color calibration and minimal color deviation, which can highly restore real-world color details. Compared with ordinary panels with distorted and dull colors, IPS module present richer color layers, more delicate gradient transitions and more realistic picture tones, meeting strict color presentation requirements.3. Stable and Reliable Display PerformanceIPS LCD deliver excellent overall stability with uniform screen brightness, no obvious light leakage, and outstanding picture consistency in long-term use. Different from OLED panel that face inherent burn-in risks, IPS panel have longer service life and more stable long-term display effects, with no screen aging or color fading after long-hour operation.4. High Cost-Performance and Strong CompatibilityAs a mature and mass-produced display technology, IPS display balance premium visual performance and affordable pricing. They are compatible with various backlight solutions and device sizes, covering entry-level consumer devices and high-end professional display equipment. It is currently the most widely applicable display technology with no obvious usage threshold. IPS vs TN vs OLED: Clear Positioning of IPS TechnologyTo better understand the value of IPS screen, it is necessary to distinguish them from other mainstream display technologies. Compared with traditional TN panels, IPS completely surpasses them in viewing angle, color accuracy and picture consistency, only slightly lagging in response speed, which is negligible for daily and most professional scenarios. Compared with high-end OLED panels, IPS screen have obvious advantages in anti-burn-in, service life and cost control, while providing sufficient color performance for most users. Main Application Scenarios of IPS LCD ScreenThanks to its comprehensive performance advantages, IPS LCD have penetrated almost all display fields, becoming the preferred panel for most mainstream devices:- Consumer Electronic Devices: Laptops, desktop monitors, smartphones, tablets and smart TV. They bring clear and delicate picture quality for daily office work, video watching, game entertainment and daily browsing.- Professional Creative Fields: Design monitors, graphic drawing screens, video post-production displays and photography editing equipment. Relying on high color accuracy, IPS screen ensure consistent color presentation in design, production and display links, avoiding color difference errors.- Commercial and Industrial Displays: Conference room splicing screens, advertising display screens, industrial control displays and vehicle-mounted displays. The ultra-wide viewing angle and stable performance adapt to complex viewing environments and long-term continuous operation needs.- Educational and Medical Equipment: Teaching all-in-one machines, medical imaging displays and experimental monitoring screens, requiring accurate picture restoration and stable long-term working performance.

The small and medium-sized display industry is constantly evolving, and users now have higher requirements for picture quality, product appearance, operation fluency and overall stability. We take Mini LED backlight, ultra-narrow bezel, high refresh rate and integrated touch as the key directions of technical iteration, and keep polishing our products based on real application scenarios. Our LCD modules are widely applied in industrial control panels, vehicle auxiliary displays, portable medical devices, smart wearable products, smart home control panels and various precision instruments, catering to the diverse usage demands of global customers. Mini LED Backlight SystemWe have adopted advanced Mini LED backlight to replace traditional backlight solutions. With densely arranged tiny lamp beads and independent light control design, the light distribution across the entire screen is even and soft, effectively avoiding dark areas, uneven brightness and light leakage.Thanks to this upgrade, the screen delivers brighter images and richer, more lifelike colors. Whether used indoors or under strong outdoor sunlight, the display content remains clear and recognizable. In addition, the optimized circuit and heat dissipation structure not only reduces power consumption, but also extends the service life of the backlight unit to more than 60,000 hours. It maintains stable operation during long-term continuous use, perfectly matching the working requirements of various commercial and industrial devices. Ultra-Narrow Bezel DesignWe apply mature advanced packaging and edge processing techniques to create ultra-narrow bezel modules. Compared with traditional products, we reasonably rearrange internal components and move part of the circuits to the back of the panel, which greatly reduces the width of the screen border.The slimmer frame enlarges the visible display area, bringing a more comfortable viewing experience and more elegant overall appearance. Meanwhile, the compact structure saves plenty of internal space for end equipment, which is conducive to the miniaturization and lightweight design of finished products. What’s more, the upgraded structural craftsmanship enhances the product’s resistance to high temperature and humidity, so it can work steadily in various complex working environments. High Refresh Rate PerformanceTo optimize the display effect of dynamic content, we have upgraded the internal driving chips and signal transmission structure. Our products support multiple mainstream refresh rate options including 60Hz, 75Hz, 90Hz and 120Hz.With stable signal transmission, the modules perform excellently when playing dynamic pictures, scrolling operation interfaces and displaying real-time data. The problems of picture blur, ghosting and response lag are well solved. Higher refresh rates make every touch operation more responsive and smooth, greatly improving the operation experience. This feature is especially suitable for interactive terminals and devices that need to refresh data frequently. Integrated Touch SolutionAll upgraded modules adopt professional full lamination technology to combine the touch layer and display panel into an integrated whole. Eliminating the air gap between layers, the screen gains higher light transmittance and less surface reflection, so the visual effect is further optimized.This integrated structure also greatly strengthens the module’s ability to resist dust, water and impact. We provide a variety of touch solutions for customers to choose from according to different budgets and application scenarios. 

Touch performance has become a key factor determining user experience for modern display products. We have enhanced the compatibility between touch sensors and LCD panels, effectively improving touch sensitivity, response speed and positioning accuracy. The upgraded touch system supports multi-point touch, anti-misoperation and anti-interference functions, delivering smooth and stable touch feedback even in complex working environments such as high temperature, static electricity and strong light. In addition, we have optimized the touch lamination process, which strengthens the overall structural tightness of modules, lifting water resistance, dust resistance and wear resistance to a higher level. Whether for frequent daily use or long-term operation in harsh industrial scenarios, our touch-enabled LCD modules maintain consistent and reliable performance. Our newly upgraded touch system supports 10-point multi-touch, with a touch response time shortened to less than 10ms and positioning accuracy up to ±0.1mm. For harsh industrial environments, we embed anti-static (ESD) protection circuits and adopt electromagnetic interference (EMI) shielding design. The modules can work stably within the temperature range of -20℃ to +70℃, and maintain normal touch performance under strong light, high humidity and frequent vibration conditions. In terms of optical bonding technology, we apply two mainstream processes: Air Bonding and Full Lamination. Air bonding features low cost and easy maintenance, suitable for cost-sensitive general scenarios. Full lamination eliminates air gaps between layers, improving light transmittance to over 85%, reducing surface reflection, and greatly enhancing waterproof, dustproof and shockproof performance. This process is widely used in high-end industrial and medical equipment. All touch components pass professional reliability tests, including 10 million times of tapping test, 50,000 times of friction test and cyclic temperature impact test, to guarantee long-term service life. Professional Classification & Selection Guide for Touch Screens Resistive Touch Screen (4-wire / 5-wire)Composed of two layers of transparent conductive ITO films separated by tiny insulating dots. It operates by pressure sensing: external pressure makes the two ITO layers contact to generate a signal.Core advantages: Supports finger, gloved hand and stylus operation; low power consumption; excellent adaptability to extreme temperature.Application: Industrial control panels, outdoor terminals, POS cash registers, traditional industrial instrumentation. Technical feature: Single-point touch mainly, low requirement for ambient light. Projected Capacitive Touch Screen (PCT)Works based on human body current induction. The built-in electrode matrix forms a electrostatic field. When fingers touch the surface, the capacitance changes to recognize touch coordinates.Core advantages: High sensitivity, smooth touch experience, multi-point touch support, high light transmittance and scratch resistance.Application: Smart home panels, portable consumer electronics, medical display terminals, automotive central control screens. Technical feature: Cannot be triggered by gloves or common stylus; stable performance in indoor and normal outdoor light. We also provide customized extended options, including anti-glare (AG) glass, anti-fingerprint (AF) coating, toughened cover glass, customized size (0.96" - 10.1") and special shape processing. Customers can select materials and configurations based on working environment, touch mode, optical requirement and budget.

As core precision optoelectronic components widely used in industrial equipment, automotive electronics, household appliances and portable smart devices, LCD modules feature delicate internal structures consisting of polarizers, liquid crystal cells, conductive ITO glass, driving PCBs and backlight units. Different from mechanical accessories with strong environmental adaptability, LCD modules are extremely sensitive to temperature, humidity, static electricity and ambient light. In most after-sales cases of abnormal display such as screen yellowing, fogging, bubbling, dark spots and display failure, product defects only account for a small proportion. Improper daily storage is the leading cause of degraded LCD module performance and shortened service life. How Environment Affects Display Shelf Life & PerformanceEvery component inside an LCD module has strict environmental adaptation thresholds. The polarizer, the core optical film of the module, is prone to chemical aging, discoloration and delamination under high temperature, high humidity and long-term light irradiation.  Standards applicable to all conventional LCD modules: Temperature & Humidity ControlThe optimal storage environment for LCD modules is a constant temperature and dry space. The recommended ambient temperature ranges from 10°C to 30°C, with relative humidity lower than 60% RH. It is critical to avoid condensation inside the equipment. Long-term storage in environments above 40°C will accelerate the aging of optical films and adhesive materials, while storage below 0°C will affect the physical activity of liquid crystal molecules, leading to permanent display abnormalities. Light Environment RequirementsLCD modules are not suitable for bright and open storage environments. Direct sunlight, ultraviolet rays and long-term strong indoor fluorescent light exposure will accelerate the aging and fading of polarizers. All finished LCD modules must be stored in a dark, dust-free and ventilated warehouse to isolate strong light radiation. Packaging & Anti-static ProtectionSealed original packaging is the primary barrier to protect LCD modules. Products must be kept in intact vacuum moisture-proof and anti-static packaging before use. Unpacking arbitrarily during inventory storage will expose precision components to humid air and static environment. All handling operations require anti-static gloves and tools to prevent electrostatic breakdown of internal circuits. Placement & Stacking SpecificationsLCD modules shall be placed flat on dry wooden pallets, keeping a safe distance from the ground and wall to prevent moisture absorption. Over-stacking, extrusion, bending and collision are strictly prohibited. Meanwhile, products need to be isolated from corrosive gas, chemical volatile liquids and pollutants to avoid structural corrosion and surface damage. Long-term Inventory Maintenance TipsFor sealed LCD modules stored for more than 6 months, regular sampling inspection of appearance and basic display performance is recommended. Once the moisture-proof packaging is opened, users are advised to complete assembly and application within the valid cycle to avoid prolonged exposure to the atmospheric environment. In the future, we will keep optimizing industry standard guidance, helping global partners standardize inventory management, reduce unnecessary product loss, and ensure every LCD module can deliver stable, high-definition and consistent display performance in terminal applications.

Resolution means how many pixels are on the screen.Pixels are tiny dots that make up the picture.More pixels = sharper, clearer display.It is usually written as:Width × HeightExample: 320×240, 480×272, 800×480. Why resolution matters?Sharper text and iconsHigher resolution makes words and pictures clearer. Better display effectNo blurry edges, no grainy look. Supports more contentYou can show more data, menus and interfaces. Improves user experienceImportant for industrial, medical, handheld and smart devices. Common Resolutions for Small-Size LCD ModulesDifferent resolutions serve different application scenarios. Below are the most widely used standards:1. Low ResolutionSuitable for simple text, status display, and basic instruments.128×64240×160320×240 (QVGA) 2. Medium ResolutionThe most popular for industrial, handheld, and smart devices.480×272 (WQVGA)480×320 (HVGA)640×480 (VGA) 3. High ResolutionUsed for high-end equipment requiring clear details.800×480 (WVGA)1024×600 (WSVGA)1280×720 (HD small size) How to Select the Right Resolution?When choosing resolution for small LCD modules, consider these four points:1. Application En+vironmentSimple devices: low resolutionHandheld terminals: medium resolutionHigh-end industrial & automotive: high resolution 2. Screen Size Small screens do not need ultra-high resolution; balance is key. 3. Controller & Driver SupportEnsure your mainboard can drive the target resolution. 4. Cost & Power ConsumptionHigher resolution usually requires more power and cost. Typical Industry ApplicationsIndustrial handheld & meters: 320×240, 480×272Smart home & control panels: 480×272, 800×480Medical & health devices: 800×480, 1024×600Automotive displays & dashboards: 800×480 or higherWearable devices: 240×160, 320×240

Brightness means how bright the screen can be. It is measured in nits (cd/m²). Higher nits = brighter display. Brightness Grades for Small‑Size LCD ModulesThe industry has formed clear brightness tiers to match different environments:Standard Brightness: 200–350 nitsIdeal for indoor use: smart home controls, wearables, indoor handheld devices, and consumer electronics. Delivers comfortable viewing under office or home lighting. Medium High Brightness: 400–800 nitsSuitable for bright indoor areas, near windows, and semi‑outdoor tools. Balances visibility and power consumption. High / Sunlight‑Readable Brightness: 1000 nits and aboveDesigned for direct sunlight, outdoor handheld terminals, industrial HMIs, automotive displays, and outdoor equipment. Ensures clear, washout‑free viewing even under strong ambient light. Why Brightness Matters for Small LCD Modules?Readability Under All LightingLow brightness causes fading and reflection in bright environments. High‑brightness design maintains clear text, icons, and UI in challenging light. Compatibility with Touch & Cover LensesBonded touch panels and protective cover glass reduce light transmittance. Higher brightness compensates for optical loss and preserves clarity. Wide‑Temperature StabilityIndustrial and automotive small LCDs require consistent brightness from ‑40°C to 85°C. Premium backlight design avoids dimming or color shift in extreme temperatures. Power & Lifetime BalanceModern small LCD modules use high‑efficiency LEDs and optimized optical films to achieve high brightness with lower power. Typical LED backlight lifetime reaches 50,000 hours for long‑term deployment. Custom Brightness TuningManufacturers support 300–1500 nits customized for industrial, medical, automotive, and special equipment. Application HighlightsIndustrial Handhelds & HMIs: 500–1000 nits for outdoor operationAutomotive & Dashboard: 600–1200 nits for sun‑visible clustersWearables & Smart Controls: 250–450 nits for low‑power indoor useMedical & Portable Devices: Stable 300–800 nits with long lifetimeOutdoor Equipment & POS: 1000+ nits for full‑sun readability For technical specifications, custom brightness solutions, or sample inquiries about small‑size LCD modules, welcome to contact our engineering and sales team.

Shenzhen P&O Technology Co., Ltd(Polcd) held its 2025 year-end celebration on January 25, 2026, bringing employees together for an evening of appreciation and celebration. General Manager Mr.Yan delivered a keynote speech, thanking the entire team for their dedication and hard work over the past year. "Your efforts are the foundation of our success," stated Mr.Yan. "We have made significant strides in TFT-LCD screen technology innovation, all while maintaining strict quality control. For this, I am truly grateful." This event showcased the company's commitment to technological advancement and exceptional quality. Colleagues enjoyed a lavish dinner, games, and a raffle, strengthening their bonds and celebrating their shared achievements. Looking ahead, Mr.Yan expressed confidence for the new year: "With this talented team, we are poised for even greater success. Wishing everyone a prosperous and joyful new year!" About Polcd:Shenzhen P&O Technology Co., Ltd was established in 2008. It has strong automated production equipment, R&D and production teams, and strict quality management ISO 9001, ISO 14001, RoHS, REACH and other certificates. Our main products are TFT Display, LCD Modules, Touch Panel. The factory has a modern production dust-free workshop of more than 5,300 square meters and more than 330 employees. Our production capacity can reach 1,200,000 pcs/Month. Our products are widely used in medical equipment, industrial instruments, telecommunication terminals, smart home and smart wearable device, aviation, automotive, retail, gaming and other fields. If you have any inquiries, please contact:WeChat / Skype:008613714394335Tel / Fax: 86 755 21011746E-mail: anna@polcd.com

Aging test, often termed "Burn-in" or "Reliability Test," subjects TFT LCD modules to elevated electrical and thermal stress for an extended period, simulating years of normal operation within a compressed timeframe. The primary goal is to force latent defects—such as weak transistor connections, impurities in liquid crystal, or backlight inconsistencies—to manifest as visible failures before the product reaches the end-user. This process screens out infant mortality units, which follow the "bathtub curve" reliability model. Key Testing MethodologiesAging tests for TFT LCDs are not monolithic but consist of several tailored procedures: 1. Standard DC & AC Stress AgingThis is the most common form. The LCD panel is powered on and driven with specific test patterns continuously. Patterns Used: These include full-white, full-black, checkerboard, horizontal/vertical stripes, and alternating patterns. Different patterns stress different components: Full White: Maximizes stress on the backlight unit (BLU) and applies voltage across all pixel electrodes. Checkerboard/Alternating Patterns: Create maximum voltage differential between adjacent pixels, stressing the TFT array and the liquid crystal material itself, potentially revealing image sticking or crosstalk defects. Electrical Stress: Operating voltages (VDD, VCOM, gate/source voltages) may be elevated beyond nominal specifications (e.g., +10% to +20%) to accelerate failure rates. 2. Thermal AgingTemperature is a key accelerating factor. Tests are conducted in environmental chambers. High-Temperature Aging: Typically at 50°C to 70°C (sometimes higher) for 48 to 168 hours. Heat accelerates chemical degradation, ionic migration, and can exacerbate pixel defects. Temperature Cycling: The module is cycled between extreme high and low temperatures (e.g., -20°C to +70°C). This induces mechanical stress due to differing coefficients of thermal expansion (CTE) of materials (glass, polarizers, ICs, flexible circuits), uncovering bonding or delamination issues. Combined Environmental StressOften, electrical aging is combined with thermal stress (High-Temperature Operating Life, or HTOL) and sometimes humidity (Temperature Humidity Bias, or THB). High humidity (e.g., 85% RH at 85°C) tests the effectiveness of seals against moisture ingress, which can cause corrosion, electrolysis, or arcing. 3. Critical Parameters Monitored During & Post-TestThe panels are rigorously inspected before, during, and after the aging process: Visual Defects: Mura (non-uniformity), bright/dark spots, line defects, color shift, and image sticking are primary targets. Electrical Performance: Key signals are monitored for stability. Current consumption (especially backlight current) is logged to detect anomalies. Functional Testing: Post-aging, full functional testing is repeated, including checking all interfaces (LVDS, eDP, MIPI), timing controllers, and gamma/voltage levels. Data Analysis and Failure ModesThe outcome of aging tests is analyzed statistically: Failure Rate Calculation: The number of units failing against the total tested provides a quantitative measure of process health. Root Cause Analysis (RCA): Failed units undergo forensic analysis (e.g., microscopic inspection, electrical probing) to determine the physical or design root cause—whether in the TFT array, driver IC, bonding process, or backlight assembly. Common Failure Modes Uncovered: Include dead pixels, weak TFTs leading to slow response, backlight LED degradation, discoloration of polarizers, and interconnect open/short circuits.

Circular LCD modules are revolutionizing product design across industries, from wearable technology to industrial controls. Unlike traditional rectangular displays, circular screens offer distinctive aesthetic appeal and functional advantages that make them ideal for modern compact devices. The global circular display market is experiencing rapid expansion, driven largely by the proliferation of smart wearable devices and specialized industrial applications. Resolution and Pixel Density: For circular displays, resolution is typically expressed in diameter-based measurements rather than conventional rectangular formats. A 1.28-inch circular TFT module often features 240×240 pixel resolution, resulting in approximately 185 PPI (pixels per inch). Higher-resolution options are becoming available, such as 1.8-inch circular LCDs with 360×360 resolution, offering significantly sharper images for applications requiring detailed graphics or text. Display Technology: Most circular modules utilize TFT LCD technology with IPS (In-Plane Switching) panels for superior viewing angles up to 80 degrees or more in all directions. This ensures consistent color and clarity even when viewed from oblique angles—a critical factor for wearable devices that may be viewed from various positions. Interface Compatibility: The communication interface determines how easily the display integrates with your control system. SPI (Serial Peripheral Interface) is commonly available, requiring as few as four wires for communication. Some advanced modules support multiple interface options including MCU, SPI, and QSPI, providing flexibility for different microcontroller architectures and performance requirements. Application-Based Selection: Wearable Devices: For smartwatches and fitness trackers, prioritize compact dimensions, low power consumption, and sunlight readability. A 1.28-inch circular display with 200-300 cd/m² brightness typically suffices for indoor use, but outdoor applications may require higher brightness levels. Industrial Equipment: In industrial environments, focus on extended operating temperature ranges (-20°C to 70°C or wider), higher brightness (500 cd/m² or more) for well-lit facilities, and long-term component availability. Industrial applications often require displays with 50,000 hours backlight lifetime to minimize maintenance needs. Consumer Devices: For consumer products like smart home interfaces or portable electronics, consider balanced performance characteristics with attention to cost-effectiveness. Touch capability, color vibrancy, and slim form factors typically take priority over extreme environmental specifications. Quality Assurance: Look for suppliers with robust quality control systems, ideally certified under international standards like ISO9001. Suppliers who implement 100% testing of their circular displays typically demonstrate lower field failure rates, often below 0.5%. Five Practical Selection TipsVerify True IPS Performance: Some suppliers may market standard TFT displays as IPS panels. Request viewing angle demonstrations or test reports to confirm wide-angle performance claims. Assess Driver IC Compatibility: Ensure the display’s driver IC (such as GC9A01 or ST77916) has well-supported libraries for your chosen development platform. Evaluate Power Requirements: For battery-powered applications, carefully review operational and standby current draw, not just voltage specifications. Consider Environmental Requirements: Match the display’s operating temperature range, brightness, and durability to your product’s deployment environment. Plan for Long-Term Availability: For products with extended lifecycles, select displays with assured long-term supply, ideally 5 years or more of continued availability.

The 4-inch square LCD module, typically featuring resolutions of 480×480 or 720×720 pixels, represents a significant departure from the widescreen formats common in consumer electronics. "The 1:1 aspect ratio offers several inherent advantages for specialized applications," explains a display industry analyst. "It eliminates orientation constraints, allows denser information display compared to equivalent diagonal widescreens, and provides superior touch-target accessibility with the interactive zone concentrated in the screen center." Major technical specifications of these modules typically include:IPS technology for wide 80°/80°/80°/80° viewing anglesInterface options including MIPI and RGBBrightness ranging from 250 to 1000 cd/m² for various lighting conditionsDriver ICs such as ST7701S and ILI9881D-02 These specifications make square displays particularly suitable for applications where readability from multiple angles and compact form factors are essential. Smart Home's "Perfect Pixel": A New Interaction Paradigm The smart home sector has emerged as the primary driver for 4-inch square LCD adoption. These displays are increasingly becoming the control center of modern homes, embedded in wall-mounted panels that manage lighting, security, climate, and entertainment systems. "In smart home applications, the square format proves more efficient than rectangular counterparts for displaying multiple device statuses simultaneously," notes a smart home interface designer. "Where traditional 16:9 screens might show five device statuses, a square display of the same diagonal size can present up to eight without appearing cluttered." The technical requirements for these applications have pushed manufacturers to develop specialized variants with:Anti-fingerprint coatings for kitchen environmentsOil-resistant nano-coatings for areas exposed to cooking fumesIP54-rated splash protection for use in bathrooms and kitchens Real-world implementations demonstrate tangible benefits. Huawei's whole-house smart square screen control panel, for instance, has reportedly reduced user steps by 40% for common tasks, according to industry observations. Similarly, kitchen appliances equipped with square displays have seen users' recipe-completion rates increase by 65%, as the 1:1 format better accommodates food photography and cooking instructions without black bars.

The landscape of TFT display interfaces is rapidly evolving, driven by demands for higher resolution, lower power consumption, and simpler integration. Among the most widely used interfaces—RGB, SPI, MCU, and MIPI—each caters to distinct applications, from industrial controls to consumer electronics. Here’s how these technologies are shaping the future of display systems. 1. SPI: Simplicity for Low- to Medium-Resolution DisplaysSPI (Serial Peripheral Interface) remains a popular choice for small-scale TFT displays, particularly in resource-constrained systems. With as few as four pins (MOSI, MISO, SCLK, and CS/SS), SPI offers a straightforward hardware design and minimal MCU overhead . However, its bandwidth limitations restrict it to lower resolutions (e.g., 480×272) and refresh rates . For example, driving a QVGA (320×240) display at 30 FPS requires a clock speed of ~36 MHz , making it suitable for smart home devices or wearables but inadequate for video-intensive applications. Newer drivers like the ST7735S and ST7789 optimize SPI efficiency, enabling 16-bit color depth in compact designs . 2. MCU Interfaces: Parallel Control for Moderate PerformanceMCU-style parallel interfaces (e.g., Intel 8080 or Motorola 6800) use 8-/16-bit data buses to achieve faster data transfer than SPI. They support resolutions up to 480×320 and are ideal for embedded systems where cost and simplicity are priorities . For instance, the S3C2440A processor leverages RGB-like timing controls to drive TFTs in industrial HMIs . Despite higher pin counts (11–21 pins), these interfaces avoid the complexity of high-speed serial protocols, making them a middle-ground solution for medical devices or automotive dashboards. 3. RGB: High-Speed Video for Larger DisplaysThe RGB interface, implemented via TFT LCD controllers (LTDC), delivers superior performance for resolutions up to 1280×800 . By transmitting parallel pixel data with dedicated sync signals (HSYNC, VSYNC) and a pixel clock (PCLK), it bypasses frame buffer bottlenecks. A WVGA (800×480) display, for example, requires a ~23 MHz PCLK at 60 FPS . RGB is common in large-scale applications like industrial panels , but its high pin count (up to 24 pins) and EMI challenges often necessitate additional shielding . 4. MIPI-DSI: The Future of Mobile and High-Resolution DesignsMIPI DSI (Display Serial Interface) excels in power-sensitive, high-resolution applications. Using differential signaling with 4–10 data lanes, it reduces pin counts while supporting resolutions up to 1280×800 . Displays like the 10.1-inch WF101JTYAHMNB0 (1024×600) leverage 4-lane MIPI DSI for seamless 60 FPS video with low electromagnetic interference . Though its protocol complexity demands dedicated controllers , features like adaptive clocking and multi-gigabit throughput make it the go-to choice for smartphones, tablets, and advanced automotive infotainment systems.

When evaluating the quality of a TFT (Thin-Film Transistor) LCD screen, specifications like resolution and brightness often take center stage. However, one of the most crucial yet sometimes overlooked metrics is the contrast ratio. This fundamental property is a key determinant of overall image quality and realism. The Basic Definition: A Simple RatioAt its core, contrast ratio is a measure of a display's ability to produce distinct levels of light and dark. It is numerically defined as the ratio between the luminance of the brightest white a screen can produce and the luminance of the darkest black. Contrast Ratio = Luminance of White / Luminance of Black For example, if a screen has a contrast ratio of 1000:1, it means the brightest white is 1000 times brighter than the darkest black. A higher ratio indicates a greater difference between light and dark, which translates to a more dynamic and impactful image. Why is Contrast Ratio So Important?A high contrast ratio is vital because it directly influences the perceptual quality of the content you see: Image Depth and Realism: A screen with poor contrast will display blacks that look like muddy grays. This "washed-out" effect flattens the image, making it appear two-dimensional. A high contrast ratio creates deep, inky blacks that make bright elements pop, adding a sense of depth and three-dimensionality. This is especially critical for watching movies, playing games, and viewing photos. Detail in Shadows and Highlights: In a dark scene, such as a character hiding in a shadowy room, a high-contrast screen can reveal subtle details within the shadows without crushing them to pure black. Similarly, it can maintain detail in very bright areas without blowing them out to pure white. A low-contrast screen would lose these nuances. Color Vibrancy: While contrast ratio directly deals with luminance, it profoundly affects color perception. Colors appear richer, more saturated, and more lifelike against a truly black background. When blacks are gray, colors can appear dull and faded. Static vs. Dynamic Contrast Ratio: A Critical DistinctionWhen shopping for displays, you will encounter two types of contrast ratio measurements: Static Contrast Ratio (or Native Contrast): This is the most important and honest metric. It measures the difference between white and black simultaneously displayed on the same screen at a fixed backlight level. This is a true test of the panel's fundamental capability. For modern TFT screens, a good static contrast ratio is typically between 1000:1 and 3000:1. Dynamic Contrast Ratio: This is a marketing-oriented metric where the monitor adjusts the entire backlight based on the scene. For a mostly dark image, it dims the backlight to make blacks seem darker; for a bright scene, it boosts the backlight. This results in inflated ratios like "1,000,000:1". While it can enhance the viewing experience in some scenarios, it is not a true measure of the panel's ability to display subtle shades of light and dark within a single frame. The static ratio remains the more reliable specification. How TFT Technology Affects Contrast RatioThe type of TFT panel technology used is the primary factor in determining its native contrast ratio: VA (Vertical Alignment) Panels: These are the champions of contrast ratio, typically offering static ratios between 3000:1 and 6000:1. Their liquid crystals perfectly block the backlight when in the "off" state, resulting in the deepest blacks among the common LCD technologies. IPS (In-Plane Switching) Panels: Renowned for excellent color accuracy and wide viewing angles, IPS panels have a more moderate native contrast ratio, usually in the range of 1000:1 to 1500:1. Their crystal structure allows a small amount of light to leak through in dark scenes, leading to a characteristic "IPS glow" that can elevate black levels. TN (Twisted Nematic) Panels: Primarily valued for fast response times, TN panels generally have the poorest contrast ratios, often similar to or slightly worse than IPS panels. They are more susceptible to color and gamma shift when viewed off-angle, which further degrades perceived contrast.

The Thin-Film Transistor Liquid Crystal Display (TFT LCD) is a marvel of modern engineering, but one of its most critical and variable characteristics is the viewing angle. Simply put, the viewing angle is the maximum angle at which a display can be viewed without significant degradation in image quality, such as color shift, contrast loss, or brightness reduction. Unlike technologies like OLED, where each pixel is its own light source, the viewing angle of a TFT LCD is fundamentally determined by the behavior of its liquid crystal layer. There are three primary liquid crystal alignment technologies used in TFT LCDs, each creating a distinctly different viewing angle experience. 1. Twisted Nematic (TN) – The Narrow, Fast ViewViewing Angle Characteristic: Limited and Asymmetrical TN was one of the first and most manufactured LCD technologies. Its liquid crystals are naturally in a twisted state and untwist when voltage is applied. How it Works: The crystal twist controls light passage from the backlight through the polarizers. Viewing Angle Performance: This technology suffers from the most pronounced viewing angle limitations. Colors shift dramatically and contrast plummets when viewed off-center. A common issue is gamma shift, where the image appears washed out, and even color inversion (e.g., light colors become dark) when viewed from below. Typical Viewing Angle Specification: 170° horizontal / 160° vertical, but the usable angle for accurate color is much smaller. Best For: Applications where high refresh rates and low response times are paramount, and the user will be positioned directly in front of the screen, such as competitive gaming monitors. 2. In-Plane Switching (IPS) – The Wide, Consistent ViewViewing Angle Characteristic: Superior and Symmetrical IPS technology was developed specifically to solve the viewing angle and color reproduction problems of TN panels. How it Works: The liquid crystals are aligned parallel to the glass substrates and rotate "in-plane" when voltage is applied. This movement does not block light paths from oblique angles as severely. Viewing Angle Performance: IPS panels are the gold standard for wide viewing angles. They exhibit minimal color and contrast shift even at extreme angles, often up to 178 degrees both horizontally and vertically. This means the image looks virtually the same whether you're viewing it head-on or from the side. Typical Viewing Angle Specification: 178° horizontal / 178° vertical. Best For: Professional photo and video editing, high-end smartphones, control room displays, and any scenario where multiple people need to see an accurate image from different positions. A minor trade-off can be a slight "IPS glow" at extreme angles in dark scenes.

The versatility of TFT Touch Display has led to their adoption across countless industries: Consumer Electronics: This is the most visible domain. Smartphones, tablets, laptops, and smartwatches are all centered around the touch interface, enabling portable and powerful computing. Retail and Hospitality: Point-of-Sale (POS) systems, self-service ordering kiosks, and interactive menus streamline transactions and improve the customer experience. Industrial Control: In factories and control rooms, ruggedized touch screens provide operators with a robust interface to monitor machinery and processes, replacing complex arrays of physical buttons. Education: Interactive whiteboards and touch-screen displays have transformed classrooms, fostering collaborative and engaging learning environments. Automotive: Modern vehicles feature touch-screen consoles for navigation, climate control, and entertainment, centralizing functions for a cleaner dashboard design.

In the palm of our hands, on our desks, in our cars, and even at self-service kiosks, we interact with the digital world through a seemingly magical interface: the LCD touch screen.  The Touch Sensor: This is the interactive layer. It is a transparent panel placed over the LCD that detects the presence and location of a touch, usually from a finger or a stylus. Several technologies enable this, but the most common are: LCD (Liquid Crystal Display): This is the visual engine. LCD panel consists of a layer of liquid crystals sandwiched between two polarized panels. These crystals do not produce their own light; instead, they act as shutters, manipulating the light from a backlight (typically LEDs) to form images. By applying precise electrical currents, the crystals align to block or allow light to pass through red, green, and blue sub-pixels, creating the millions of colors we see on screen. Resistive: Composed of two flexible layers with a gap between them. When pressed, the layers touch, completing a circuit and registering the point of contact. While durable and low-cost, they offer lower clarity and only support single-touch. Capacitive: The modern standard for smartphones and tablets. This screen is coated with a transparent conductive material (like indium tin oxide). When a finger (a conductive object) touches the screen, it distorts the screen's electrostatic field, allowing a controller to pinpoint the touch location. Capacitive screens are highly responsive, support multi-touch gestures (pinch, zoom, swipe), and offer excellent clarity. Capacitive: The modern standard for smartphones and tablets. This screen is coated with a transparent conductive material (like indium tin oxide). When a finger (a conductive object) touches the screen, it distorts the screen's electrostatic field, allowing a controller to pinpoint the touch location. Capacitive screens are highly responsive, support multi-touch gestures (pinch, zoom, swipe), and offer excellent clarity.

.gtr-container { font-family: 'Arial', sans-serif; color: #333; line-height: 1.6; max-width: 800px; margin: 0 auto; padding: 20px; } .gtr-heading { font-size: 18px !important; font-weight: 600; color: #2a5885; margin: 20px 0 10px 0; padding-bottom: 5px; border-bottom: 1px solid #e0e0e0; } .gtr-text { font-size: 14px !important; margin-bottom: 15px; } .gtr-highlight { font-weight: 600; color: #2a5885; } .gtr-list { margin: 15px 0; padding-left: 20px; } .gtr-list-item { margin-bottom: 8px; font-size: 14px !important; } TFT LCD (Thin-Film Transistor Liquid Crystal Display) technology continues to be a cornerstone in display solutions due to its high resolution, color accuracy, and energy efficiency. One of the main future application areas is consumer electronics, including smartphones, tablets, laptops, and televisions. As demand for sharper and more vibrant screens grows, TFT LCDs will evolve to offer better performance while maintaining cost-effectiveness, especially in mid-range devices. Automotive Displays Another significant area is automotive displays. Modern vehicles increasingly integrate digital dashboards, infotainment systems, and heads-up displays that rely on TFT LCD technology for clear visibility and responsiveness. With the rise of electric and autonomous vehicles, the need for interactive, durable, and high-quality displays will drive further innovation in this field. Industrial and Medical Sectors Finally, industrial and medical sectors are also set to expand their use of TFT LCD displays. Industrial equipment requires rugged, reliable screens for monitoring and control, while medical devices benefit from high-definition displays for diagnostics and patient monitoring. The future will see TFT LCDs adapted to specialized environments, combining durability with enhanced functionality. Overall, TFT LCD technology remains versatile and will continue to support diverse industries with evolving display needs.

LCD Module PCB: The Neural Hub of Display SystemsAn LCD Module Printed Circuit Board (PCB) is a highly specialized multilayer circuit board that serves as the electronic interface, signal processor, and power distributor for liquid crystal display (LCD) modules. It transforms raw digital data from a host device (e.g., smartphone SoC, automotive ECU) into precisely timed analog/digital signals that physically actuate the LCD panel’s pixels. What's Typically on it: Timing Controller (T-CON) Chip: The main brain managing signal timing, data mapping, and often image processing.Power Management ICs (PMICs): Generate the required voltages.Connectors: For the host interface (input) and the LCD panel (output).Passive Components: Resistors, capacitors, inductors for filtering, signal conditioning, and power regulation.(Optional): LED driver ICs for the backlight, touch controller ICs, memory, or other supporting circuitry. Crucially: It is not the glass display itself, but the circuit board attached to it within the module assembly.

Backlight Illumination:The LED backlight emits white light, which passes through the first polarizing filter. Voltage Control:Each TFT acts as a switch for its corresponding pixel. When a voltage is applied, the TFT adjusts the electric field across the liquid crystal layer. Light Modulation:The liquid crystals rotate in response to the electric field, altering the polarization of light. This determines how much light passes through the second polarizing filter. Color Generation:Subpixels (red, green, blue) combine to create full-color images by varying their intensity. ConclusionTFT LCD technology revolutionized the display industry by balancing performance, cost, and versatility. While newer technologies like OLED and MicroLED offer superior contrast and flexibility, TFT LCD remain a cornerstone of electronic displays due to their reliability and scalability.

Thin-Film Transistor Liquid Crystal Display (TFT LCD) is a dominant display technology widely used in modern electronic devices, from smartphones and computer monitors to televisions and automotive screens. Combining the principles of liquid crystals and semiconductor transistors, TFT LCDs deliver sharp images, vibrant colors, and energy efficiency.  A typical TFT LCD panel comprises multiple layers working together to produce images: Backlight Unit:Most TFT LCDs use an LED backlight to provide uniform illumination across the screen. Polarizing Filters:Two polarizing layers (front and rear) align light waves in specific directions. Glass Substrates: TFT Array Substrate:  The bottom glass layer houses a grid of thin-film transistors, one for each subpixel (red, green, blue). Color Filter Substrate: The top layer contains a color filter array to produce RGB colors. Liquid Crystal Layer:Sandwiched between the two glass substrates, this layer consists of liquid crystal molecules that twist or untwist in response to electric fields, modulating light transmission. Electrodes:Transparent electrodes (e.g., indium tin oxide, ITO) apply voltage to the liquid crystals.

TFT LCD is a type of liquid crystal display (LCD) that employs thin-film transistors (TFTs) to control individual pixels. Unlike passive-matrix LCDs, which rely on a grid of conductive paths to address pixels, TFT LCDs use an "active matrix" design. Each pixel is controlled by one or more TFTs, enabling faster response times, higher contrast ratios, and improved image quality.   The term "thin-film transistor" refers to the transistors fabricated on a glass substrate using thin-film deposition techniques. These transistors act as switches, precisely regulating the voltage applied to the liquid crystal layer in each pixel, thereby controlling light transmission.  

Parameter: Model P035CT097-IPS-CTP Screen Size 3.5 inch Number of Pixel 320RGB(H)x480(V) Display area 48.96(H)x73.44(V)mm Pixel pitch 0.153(H)x0.153(V)mm Pins 30 pins Outline Dimension 61x92.44x3.8±0.2mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction(eye) ALL Display Color 262K Luminance(cd/m2) 330 nit Contrast Ratio 1000:1 Interface 4Line SPI Back-light LED Side-light type Drive IC ST7796U CTP IC GT911 Operation Temperature -20~70℃ Storage Temperature -30~80℃  

Specifications: P05000JGQ40R38-V06 is a color active matrix liquid crystal display module using amorphous silicon TFT (thin film transistor). The module consists of a color TFT-LCD panel, driver IC, FPC and backlight unit. The module display area is 800x480 pixels. This product complies with RoHS environmental standards.   Parameter: Model P05000JGQ40R38-V06 Screen Size 5 inch Number of Pixel 800RGB(H)x480(V) Active area (WxH) 108.00*64.80mm Pins 40 pins Module outline (W*H*D) 120.8*75.95*2.9(Typ)mm LCD Type TFT Transmissive Viewing Direction(eye) ALL Luminance(cd/m2) 500 nit Contrast Ratio 1500:1 Interface Parallel RGB 24-bit Back-light LED Side-light type Drive IC ST7265 Operation Temperature -20~70℃ Storage Temperature -30~80℃ Input voltage 3.3v  

Parameter: Item Specification Model P035M083-IPS-CTP Screen Size 3.5 inch Number of Pixel 320RGB(H)x480(V) Display area 48.96(H)x73.44(V)mm Pixel pitch 51(H)x153(V)um Pins 40 pins Outline Dimension 58.50x92.00x4.15mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction(eye) ALL Gray inversion direction -- Display Color 262K Luminance(cd/m2) 500 nit Contrast Ratio 700:1 Surface treatment -- Interface 3W 18Bit RGB Back-light LED Side-light type Drive IC ST7796U CTP IC CST3240 Operation Temperature -20~70℃ Storage Temperature -30~80℃  

Parameter: Model P040HR015-IPS Screen Size 4 inch Number of Pixel 480RGB(H)x800(V) Pin 40 pin Display area 51.84(H)x86.4(V)mm Pixel pitch 0.108(H)x0.108(V)mm Outline Dimension 57.14x95.7x2.1mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction(eye) ALL Display Color 262K Luminance(cd/m2) 350 nit Contrast Ratio 1200:1 Interface RGB 24bit Back-light LED Side-light type LCM IC ST7701S Operation Temperature -20~70℃ Storage Temperature -30~80℃   ​

Parameter: Model P055H020-V2-IPS-CTP Screen Size 5.5 inch Number of Pixel 720RGB(H)x1280(V) Pin 30 pin Display area 68.04(H)x120.96(V)mm Pixel pitch 0.0945(H)x0.0945(V)mm Outline Dimension 76.44x135.20x3.31mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction(eye) ALL Display Color 262K Luminance(cd/m2) 350 nit Contrast Ratio 800:1 Interface MIPI Back-light LED Side-light type LCM IC ST7703 CTP IC GT911 Operation Temperature -20~70 Storage Temperature -30~80   ​

Description: Suitable for a range of applications that require small form factor displays, this 2.8-inch TFT LCD display features IPS technology and an SPI interface, delivering high-quality visuals and efficient data transfer. It is a popular choice among manufacturers seeking reliable and efficient display solutions, thanks to its compact size and versatile functionality.   Parameter: Model No. P028B125-IPS Screen Size 2.8 inch Number of Pixel 240RGB(H)x320(V) Pin 15 pins Display area 43.20(H)x57.60(V)mm Pixel pitch 0.180(H)x0.180(V)mm Outline Dimension 50.00x69.20x2.30mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction(eye) ALL Display Color 262K Luminance(cd/m2) 300 nit Contrast Ratio 1200:1 Interface 4wire SPI Back-light LED Side-light type Drive IC ST7789V Operation Temperature -20~70℃ Storage Temperature -30~80℃  

Parameter: Model P043B030-V2 Screen Size 4.3 inch Number of Pixel 480RGB(H)x800(V) Display area 56.16(H)x93.55(V)mm Pixel pitch 0.039(H)x0.117(V)mm Pins 45 pins Outline Dimension 60.00x104.25x2.6mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction(eye) ALL Display Color 262K Luminance(cd/m2) 400 nit Contrast Ratio 1500:1 Interface RGB 18bit Back-light LED Side-light type Drive IC ST7701S Operation Temperature -20~70℃ Storage Temperature -30~80℃   ​

TFT Display Description: A 5.0-inch TFT LCD with IPS technology offers wider viewing angles and better color accuracy, making it an ideal display solution for portable electronic devices such as smartphones and tablets.   Parameter: Model No. P050B028-IPS Screen Size 5.0 inch Number of Pixel 800RGB(H)x480(V) Pin 40 pin Display area 108.00(H)x64.80(V)mm Pixel pitch 45(H)x3x135(V)um Outline Dimension 120.70x75.80x3.00mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction(eye) ALL Display Color 262k Luminance(cd/m2) 300 nit Contrast Ratio Typ 1500:1 Min 1000:1 Interface RGB 24bit Back-light LED Side-light type Drive IC ST7262 Operation Temperature -20~70 ℃ Storage Temperature -30~80 ℃  

Parameter: Model P0395H01-V2 Screen Size 3.95 inch Number of Pixel 320RGB(H)x480(V) Display area 55.68(H)x83.52(V)mm Pins 40 pins LCM Outline Dimension 60.88x94.57x2.3mm Viewing Direction(eye) 12 O’Clock Display Color 262K Interface RGB or 8/9/16/18 Parallel Back-light LED Side-light type Drive IC ILI9488 Operation Temperature -20~70℃ Storage Temperature -30~80℃ Input voltage 2.8V  

Parameter: Model P030H005-IPS-V2 Screen Size 3 inch Number of Pixel 268RGB(H)x800(V) Display area 24.12(H)x72(V)mm Pixel pitch 0.09(H)x0.09(V)mm Pins 40 pins Outline Dimension 26.96x80.08x1.75mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction(eye) ALL Display Color 262K Luminance(cd/m2) 700 nit Contrast Ratio 1200:1 Interface RGB565 Back-light LED Side-light type Drive IC ST7701S Operation Temperature -20~70℃ Storage Temperature -30~80℃  

Description: A 3.5 inch TFT LCD with RGB interface and 6 o'clock direction viewing angle provides clear and accurate image display from below, making it ideal for applications such as car navigation systems and industrial control panels.   Parameter: Product name TFT LCD Diagonal size 3.5 inch Model LQ035NC111 Type TFT-LCD, liquid crystal module Resolution 320(RGB)x240 QVGA 115PPI Display area 70.08(H)x52.56(V) mm ; Open area 73.03(H)x55.50(V) mm Display brightness 300 cd/m2 (Typ.) Pixel arrangement RGB vertical bars Physical dimension 76.9(H)x63.9(V) x3.46(T) mm Surface treatment Haze (Haze 20%) Contrast 400:1 (Typ.) (Transmission) Response time 10/15 (Typ.)(Tr/Td) ms Display mode TN, normally white display, transmissive Recommended viewing angle 6 o'clock Viewing angle 60/60/50/55 (Typ.) (CR210) Color support 16.7M , 60% NTSC Weight 30.0g (Typ.) Frame rate 60Hz Interface Type 54 pins Digital RGB (8/24-bit) + SPI, CCIR601/656, FPC Voltage supply 3.3V (Typ.) Application Environment Operating temperature: -20~ 70 °C; Storage temperature: -30~ 80 °C Type of light source WLED [6S1P], 10K hours, no driver Touch technology No; supports custom touch     Applications A 3.5 inch TFT LCD with RGB interface and 6 o'clock direction viewing angle has a wide range of applications. It is commonly used in automotive electronics for display screens in infotainment systems, rearview cameras, and GPS navigation systems. It is also used in industrial control systems such as PLCs, HMIs, and data loggers. Additionally, it is suitable for use in portable devices such as smartphones, digital cameras, and portable media players due to its compact size and low power consumption. Its 6 o'clock direction viewing angle makes it an ideal choice for applications where clear and accurate image display from below is required, such as navigation systems in vehicles and control panels in industrial settings.  

Parameter: Model P128H002-IPS-CTP Screen Size 1.28 inch Number of Pixel 240RGB(H)x240(V) Display area 32.40(H)x32.40(V)mm Pixel pitch 0.135(H)x0.135(V)mm Pin 15 pin Outline Dimension 42.50x42.50x3.60mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction(eye) ALL Display Color 262K Luminance(cd/m2) 300 nit Contrast Ratio 1100:1 Interface 4W SPI Back-light LED Side-light type LCM Drive IC GC9A01 CTP Drive IC GST816T Operation Temperature -20~70℃ Storage Temperature -30~80℃  

Product description: 1.69'' TFT LCD is a versatile display technology that offers high resolution, accurate color representation, low power consumption, and a compact size. It is a popular choice for use in wearable devices, industrial equipment, medical devices, and other applications where a small, high-quality display is required.   Parameter: Model P169H002-CTP Screen Size 1.69 inch Number of Pixel 240RGB(H)x280(V) Display area 27.97(H)x32.63(V)mm Pixel pitch 0.11655(H)x0.11655(V)mm Pins 18 Pins Outline Dimension 33.13x41.13x3.61 mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction ALL Display Color 262K Luminance(cd/m2) 300 nit Contrast Ratio 1000:1 Interface 4-line SPI Back-light LED Side-light type Drive IC ST7789V Operation Temperature -20~70℃ Storage Temperature -30~80℃   Product Characteristics: High resolution: The 1.69'' TFT LCD typically has a resolution of 240x280 pixels, which makes it capable of displaying high-quality images and text. Color depth: It can display up to 65,000 colors, which allows for accurate color representation of images and videos. Low power consumption: The TFT LCD technology used in the 1.69'' screen typically has low power consumption, which is important for devices that run on battery power, such as smartwatches and other wearables. Wide viewing angle: The 1.69'' TFT LCD typically has a wide viewing angle, which means that the screen can be viewed clearly from different angles without distortion or color shifting. Compact size: The 1.69'' TFT LCD is a small display screen, making it well-suited for use in wearable devices like smartwatches and fitness trackers. Backlight: The 1.69'' TFT LCD is often designed with a backlight to improve visibility in low-light conditions, making it suitable for use in various lighting environments.

Parameter: Model P050H031-V2-IPS-CTP Screen Size 5 inch Number of Pixel 720RGB(H)x1280(V) Pin 30 pin Display area 62.10(H)x110.40(V)mm Pixel pitch 0.0945(H)x0.0945(V)mm Outline Dimension 78.56x135.65x2.95mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction(eye) ALL Display Color 262K Luminance(cd/m2) 350 nit Contrast Ratio 800:1 Interface MIPI Back-light LED Side-light type LCM IC ST7703 CTP IC GT911 Operation Temperature -20~70 Storage Temperature -30~80  

Parameter: Product name Serial Port Screen Model P035A1001 Screen Size 3.5 inch Number of Pixel 480x320 TFT Panel 8bit 8080 Touch Screen Resistance Touch Display area 48.96(H)x73.44(V)mm Back-light LED Side-light type Operation Temperature -20~70℃ Storage Temperature -30~80℃   Application: It is often suitable for use in electronic products with small-size TFT-LCD screens, such as various small household appliances, smart home appliances, industrial control panels, electronic instruments, medical equipment, small testing equipment and other products.    

Description of 3.5 inch TFT LCD:   3.5 inch TFT LCD is a high-quality display screen that is commonly used in various electronic devices, including handheld devices, automotive displays, and medical equipment. The 3.5 inch TFT LCD is a versatile and reliable display technology that offers high-quality display performance, low power consumption, and durability. Its wide range of applications and customization options make it an ideal choice for a variety of electronic devices.   Parameter: Model P035C013-CTP Screen Size 3.5 inch Number of Pixel 320RGB(H)x480(V) Display area 48.96(H)x73.44(V)mm Pixel pitch 0.153(H)x0.153(V)mm Pins 20 pins Outline Dimension 54.48x84.71x3.40mm Pixel arrangement RGB Vertical Stripe Display mode Normally White Viewing Direction(eye) 12 0'CLOCK Display Color 262k Luminance(cd/m2) 300 nit Contrast Ratio 500:1 Interface MCU 8/16bit SPI 3/4wire Back-light LED Side-light type Drive IC ILI9488 Operation Temperature -20~70℃ Storage Temperature -30~80℃  

Introduction: 4 inch round TFT LCD is a compact and versatile display module that utilizes Thin-Film Transistor (TFT) technology. With a circular shape and a 4-inch diagonal size, it offers a visually appealing and space-efficient solution for various applications.   Parameter: Model P040B006-IPS Screen Size 4.0 inch Number of Pixel 720RGB(H)x720(V) Display area 101.52(H)x101.52(V)mm Pixel pitch 0.047(H)x0.141(V)mm Pin 30 pin Outline Dimension 105.6x109.87x2.12mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction(eye) ALL Display Color 16.7M Luminance(cd/m2) 300 nit Contrast Ratio 1200:1 Interface 4Line MIPI Back-light LED Side-light type Drive IC ST7703 Operation Temperature -20~70℃ Storage Temperature -30~80℃   Feature: This TFT LCD module features a high-resolution color display, providing crisp and vibrant visuals with excellent image quality.   The round form factor of this LCD makes it particularly suitable for applications that require a circular display, such as smartwatches, fitness trackers, digital gauges, and other wearable devices. Its compact size and lightweight design make it easy to integrate into small electronic devices without compromising on visual performance.   The module supports a wide viewing angle, ensuring that the displayed content remains clear and readable from various perspectives.

Description of 2.4 inch TFT LCD : 2.4 inch TFT LCD (Thin Film Transistor Liquid Crystal Display) is a small-size display module that uses TFT technology to provide high-quality color images and videos. The display has a diagonal screen size of 2.4 inches and a resolution of 240x320 pixels, providing clear and sharp images with accurate color representation.   Parameter: Model P024H037-IPS Screen Size 2.4 inch Number of Pixel 240RGB(H)x320(V) Display area 36.72(H)x48.96(V)mm Pixel pitch 0.153(H)x0.153(V)mm Pins 14 Pins Outline Dimension 42.72x60.26x2.25mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction(eye) ALL Display Color 262K Luminance(cd/m2) 300 nit Contrast Ratio 800:1 Interface 4W SPI Back-light LED Side-light type Drive IC ST7789V Operation Temperature -20~70℃ Storage Temperature -30~80℃   2.4 inch TFT display is a thin-film transistor liquid crystal display that measures 2.4 inches diagonally. It is a popular display size for various applications, including handheld devices, digital cameras, portable gaming consoles, and other embedded systems. The display has a high resolution and contrast ratio, a wide viewing angle, and a built-in resistive touchscreen. It also supports various communication protocols, such as SPI, I2C, and UART, making it compatible with a wide range of devices. Its low power consumption and built-in power management system make it ideal for battery-powered devices. Additionally, its compact and lightweight design makes it easy to integrate into various devices.   2.4 inch TFT LCDs are versatile display modules that can be used in various electronic devices. Here are some common applications for 2.4 inch TFT LCDs:   1.Handheld gaming devices: 2.4 inch TFT LCDs are commonly used in handheld gaming devices, providing a high-quality display for video games and other interactive content. 2.Automotive displays: TFT LCDs are commonly used in automotive displays, including instrument clusters, infotainment systems, and rearview cameras. 3.Industrial controllers: 2.4 inch TFT LCDs are used in industrial controllers, providing a clear and reliable display for monitoring and controlling various industrial processes. 4.Medical devices: TFT LCDs are used in medical devices, including patient monitoring systems, ultrasound machines, and portable medical devices. 5.Smart home devices: 2.4 inch TFT LCDs are used in smart home devices, including home automation systems, smart thermostats, and security systems. 6.Consumer electronics: 2.4 inch TFT LCDs are used in various consumer electronics, including digital cameras, portable media players, and electronic dictionaries. 7.Test and measurement equipment: TFT LCDs are used in test and measurement equipment, providing a clear and accurate display for measuring and analyzing various parameters.

Introduction: The 2.1-inch circular LCD (Liquid Crystal Display) is an innovative and compact display module that offers a versatile solution for various electronic applications. With its small form factor and excellent visual performance, this circular LCD is becoming increasingly popular in today's technology-driven world.   Parameter: Model P021B002-IPS Screen Size 2.1 inch Number of Pixel 480RGB(H)x480(V) Display area 53.28(H)x53.28(V)mm Pixel pitch 111(H)x111(V)um Pin 40 pins Outline Dimension 56.18x59.71x2.2mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction(eye) ALL Display Color 262k Luminance(cd/m2) 300 nit Contrast Ratio 1000:1 Interface 3Line SPI 18bit RGB Back-light LED Side-light type Drive IC ST7701S Operation Temperature -20~70℃ Storage Temperature -30~80℃   Features: 1. Compact Design: Making it ideal for devices with limited space or those that require a small display area. Its circular shape adds a unique aesthetic appeal to the overall design.   2. High Resolution: Despite its small size, this LCD module delivers impressive image quality with high resolution. The display offers sharp and vibrant visuals, ensuring an enhanced user experience.   3. IPS Wide Viewing Angle: The circular LCD incorporates advanced viewing angle technology, enabling users to view the screen from various angles without compromising image clarity. This feature is particularly beneficial for devices that require multiple users to view the screen simultaneously.   4. Energy Efficiency: The designed to be energy-efficient, consuming minimal power while delivering optimal performance. This feature is crucial for portable devices and those with limited power resources, contributing to extended battery life.

Parameter: Product name: Color TFT LCD Screen Product number: NT173WDM-N23 Core parameters: 17.3" TN LCM 1600*900 250nits WLED eDP 30pins Application products: Laptop Panel type: a-Si TFT-LCD Display size: 17.3 inch Resolution: 1600*900 Aspect ratio: 16:9 Physical shape: Plane rectangle Display area(A.A): 382.08 x 214.92 mm (W*H) physical dimension: 398.88 x 236.52 mm (W*H) Maximum thickness: 4 mm Liquid crystal family: TN soft screen Polarized film: Transmissive brightness: 250 (Typ.) Transmission contrast: 500:1 (Typ.) Viewing angle: 45/45/15/30 (Min.)(CR≥10) (Left/Right/Up/Down) Best viewing angle: 6 o'clock Display color: 262K Backlight type: WLED signal type: eDP Signal pins: 30 Pins touchscreen: No touch Operating temperature: 0~50°C storage temperature: -20~60°C Warranty: 1 year   More models of 17.3 inch 17.3” 1600x900 NT173WDM-N27 / NT173WDM-N26 / NT173WDM-N25 / NT173WDM-N24 / NT173WDM-N23 / NT173WDM-N21 / NT173WDM-N17 / NT173WDM-N15 1920x1080 NV173FHM-N44 / NV173FHM-N41 / G173HW01 V0  

  Shenzhen, November 2023. Polcd, a leading TFT LCD industry company, recently hosted a delightful and memorable dinner party for its employees. The CEO expressed his gratitude to his employees for their hard work and dedication! And develop team spirit and strengthen bonds between colleagues.   The event featured a variety of activities and entertainment to ensure a joyous and engaging atmosphere. The menu catered to different dietary preferences, ensuring that everyone had a delightful dining experience.   The employee dinner party concluded with a heartfelt speech by the CEO, who reiterated his appreciation for the employees' efforts and highlighted the company's commitment to their growth and well-being. He emphasized that such events would continue to be held regularly to celebrate achievements, strengthen team bonds, and create a positive work environment.   About Polcd: Shenzhen P&O Technology Co., Ltd was established in 2008. It has strong automated production equipment, R&D and production teams, and strict quality management ISO 9001, ISO 14001, RoHS, REACH and other certificates. Our main products are TFT Display, LCD Modules, Touch Panel. The factory has a modern production dust-free workshop of more than 5,300 square meters and more than 330 employees. Our production capacity can reach 700,000 pcs/Month.   If you have any inquiries, please contact: WeChat / WhatsApp / Skype：008613714394335 Tel / Fax: 86 755 21011746 E-mail: anna@polcd.com

The appearance, size and function of the PCB products are exactly the same, but the LCD screen models driven are different:   Driver board model Function Description Remark PCB800850 Support 3.5 inch LCD Definition reference LQ035NC111 PCB800851 Support 4.3 inch-40P LCD Definition reference AT043TN24V.1 PCB800852 Support 50PIN LCD Definition reference AT070TN92 PCB800853 Support 40PIN LCD Definition reference EJ070NA-01J Dimensions: 52mm*46mm*6mm     Interface function description HD-MI HD-MI input HD-MI standard is 1.2 USB1 power input 5V J4 power input 5V CON8 Touch output port Screen corner direct access CON6 TTL-50PIN signal output Definition reference AT070TN92   Features 1. Mirco USB power supply interface, 5V standard power supply, needs to be greater than 1.5A. 2. No buttons and no remote control. It will automatically switch to HD-MI channel after plugging in HD-MI. 3. 1 channel HD-MI signal input, and this IC supports HD-MI 1.2 4. HD-MI is a high-quality MINI gold-plated base. 5. The screen interface adopts high-quality gold-plated connector-50PIN-AT070tn92 definition. 6. USB --DM+DP signal can be externally expanded. 7. The driver board adopts a special circuit design that can drive LED backlights within 10V and supports a maximum current output of 180MA. 9. Support TTL signal output. It can support common 50PIN 6.5” 7” 8” 9” 10.1 inch LCD screens such as AT070TN92. This driver board adopts full SMD technology. The relevant parameters are designed according to industrial standards, and the shipping standards are according to civilian standards. 10. This driver board uses a double-sided gold-plated special FPC seat. The FPC does not distinguish between upper and lower connections and can be used directly.   Transportation, storage, usage requirements 1. Do not apply heavy pressure or bend deformation. 2. Anti-static and water resistant 3. Relative humidity

TFT Display Description: This is a 1.77-inch TFT LCD display with a 12 o'clock direction viewing angle and both MCU and SPI interfaces. It provides clear and vibrant visuals suitable for various applications, from consumer electronics to industrial equipment.   Parameter: TFT LCD Specification Model No. P177C019 Screen Size 1.77 inch Number of Pixel 128RGB(H)x160(V) Pin 22 pin Display area 28.03(H)x35.04(V) mm Pixel pitch 73(H)x219(V) um Outline Dimension 34.00x43.70x2.30 mm Pixel arrangement RGB Vertical Stripe Display mode Normally White Viewing Direction(eye) 12 0'CLOCK Display Color 262K Luminance(cd/m2) 250 nit Contrast Ratio 300:1 Interface MCU 8bit SPI 3/4wire Back-light LED Side-light type Drive IC ST7735S Operation Temperature -20~70℃ Storage Temperature -30~80℃   Product advantages This 1.77-inch TFT LCD display with a 12 o'clock direction viewing angle and both MCU and SPI interfaces offers a range of advantages for manufacturers and end-users. Its high resolution and color accuracy provide clear and vibrant visuals, while the 12 o'clock direction viewing angle makes it easily viewable from the top. The MCU and SPI interfaces provide efficient data transfer, making it easy to integrate into various devices and systems. Its compact size and versatile functionality make it suitable for a wide range of applications, from consumer electronics to industrial equipment.   TFT LCD advantages in industrial equipment Using a 1.77-inch TFT LCD display with 12 o'clock direction viewing angle and both MCU and SPI interfaces in industrial equipment offers several advantages, including high resolution, wide viewing angle, fast response, reliability, and versatility. These features make it an ideal choice for manufacturers seeking high-quality display solutions that can provide clear and accurate visuals and efficient data transfer in a small form factor. With its advanced features and reliable performance, this display is an excellent choice for a range of industrial applications that require high-quality visuals and efficient data transfer.

TFT Display Description: This product is a 2.8-inch TFT LCD display with IPS full viewing angle, CTP, and ST7789V drive IC. It offers versatility and high-quality display performance, making it suitable for various applications.   Parameter: Model No. P028H115-10-IPS-CTP Screen Size 2.8 inch Number of Pixel 240RGB(H)x320(V) Pin 10 pins Display area 43.20(H)x57.60(V)mm Pixel pitch 0.180(H)x0.180(V)mm Outline Dimension 50.00x69.20x3.20mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction(eye) ALL Gray inversion direction -- Display Color 262K Luminance(cd/m2) 260 nit Contrast Ratio 800:1 Surface treatment -- Interface 4wire SPI Back-light LED Side-light type Drive IC ST7789V Operation Temperature -20~70 Storage Temperature -30~80 Weight --   Introducing products This 2.8-inch TFT LCD display features IPS full viewing angle, CTP, and ST7789V drive IC, offering a high-quality and versatile display solution for a wide range of applications. The IPS full viewing angle ensures clear and vivid visuals from any angle, while the CTP provides a responsive and intuitive touchscreen experience. The ST7789V drive IC enables stable and efficient performance, ensuring smooth and reliable operation. With its compact size and excellent display performance, this product is ideal for handheld devices, embedded systems, and other applications that require clear and vibrant visuals. Overall, this TFT LCD display is a top choice for projects that require a high-quality display with reliable performance.   Applications This 2.8-inch TFT LCD display is equipped with IPS full viewing angle, CTP, and ST7789V drive IC, making it a versatile and high-performance product for various applications. It delivers clear and vivid images with stable and efficient performance, making it suitable for use in embedded systems, handheld devices, smart homes, medical equipment, and industrial control. Additionally, its responsive and intuitive touchscreen experience and wide viewing angle make it an ideal display solution for high-end consumer electronics products like smartphones, tablets, and digital photo frames. In conclusion, this TFT LCD display is an excellent choice for projects that require a top-quality and versatile display with reliable performance.  

Introduction: NV105WAM-N31 is a color active matrix TFT LCD module using amorphous silicon TFT's (Thin Film Transistors) as an active switching devices. This module has a 10.51 inch diagonally measured active area with Full-HD+ resolutions (1920 horizontal by 1280 vertical pixel array). Each pixel is divided into RED, GREEN, BLUE dots which are arranged in vertical stripe and this module can display 16.7M(8bit) colors and color gamut sRGB100%. The TFT-LCD panel used for this module is a low reflection and higher color type. Therefore, this module is suitable for Notebook PC. All input signals are eDP1.4a interface compatible.   Application: Notebook PC (Wide type)   Parameter: Model NV105WAM-N31 Number of Pixel 1920 (H) × 1280 (V) Pixels (1 pixel = R + G + B dots) Active area 222.048(H) × 148.032 (V) mm Pixel pitch 115.65(H) × 115.65 (V) um Pixel arrangement RGB Vertical stripe Color gamut TYP:sRGB 100%, Min:sRGB:96%. Display Color 16.7M(8bit) Display mode Normally black Dimensional outline   227.048± 0.4 (H)*157.732± 0.4(V)(W/ FPC bendin g)*1.95 (Max)(W/O PCB) 227.048± 0.4 (H)*157.732± 0.4(V)(W/ FPC bendin g)*4.5 (Max)(W/ PCB) Surface treatment HC Surface hardness 2H Back-light Bottom edge side, 1-LED lighting bar type Power consumption PD : 0.42(Max) W PBL : 1.69(Max) W PTotal : 2.08(Max) W Weight 115(max)g  

TFT Display Description: A 3.5 inch TFT LCD with RGB interface and 6 o'clock direction viewing angle provides clear and accurate image display from below, making it ideal for applications such as car navigation systems and industrial control panels.   Parameter: Product name TFT LCD Diagonal size 3.5 inch Model LQ035NC111 Type TFT-LCD, liquid crystal module Resolution 320(RGB)x240 QVGA 115PPI Display area 70.08(H)x52.56(V) mm ; Open area 73.03(H)x55.50(V) mm Display brightness 300 cd/m2 (Typ.) Pixel arrangement RGB vertical bars Physical dimension 76.9(H)x63.9(V) x3.46(T) mm Surface treatment Haze (Haze 20%) Contrast 400:1 (Typ.) (Transmission) Response time 10/15 (Typ.)(Tr/Td) ms Display mode TN, normally white display, transmissive Recommended viewing angle 6 o'clock Viewing angle 60/60/50/55 (Typ.) (CR210) Color support 16.7M , 60% NTSC Weight 30.0g (Typ.) Frame rate 60Hz Interface Type 54 pins Digital RGB (8/24-bit) + SPI, CCIR601/656, FPC Voltage supply 3.3V (Typ.) Application Environment Operating temperature: -20~ 70 °C; Storage temperature: -30~ 80 °C Type of light source WLED [6S1P], 10K hours, no driver Touch technology No; supports custom touch     Applications A 3.5 inch TFT LCD with RGB interface and 6 o'clock direction viewing angle has a wide range of applications. It is commonly used in automotive electronics for display screens in infotainment systems, rearview cameras, and GPS navigation systems. It is also used in industrial control systems such as PLCs, HMIs, and data loggers. Additionally, it is suitable for use in portable devices such as smartphones, digital cameras, and portable media players due to its compact size and low power consumption. Its 6 o'clock direction viewing angle makes it an ideal choice for applications where clear and accurate image display from below is required, such as navigation systems in vehicles and control panels in industrial settings.  

Introduction: The 7-inch TFT display is a versatile and visually appealing electronic component that has found widespread use in various industries. With its vibrant colors, high resolution, and compact size, this display offers an excellent visual experience for a range of applications. In this article, we will explore the key features, benefits, and applications of the 7-inch TFT display.   Features: 1. Size and Resolution: The 7-inch LCM module boasts a compact form factor, making it suitable for integration into a wide range of devices. It typically offers a high-resolution display, ensuring crisp and clear visuals for enhanced user experience. 2. TFT Technology: The display utilizes Thin-Film Transistor (TFT) technology, which provides several advantages over traditional LCD screens. TFT technology enables faster response times, improved color reproduction, and wider viewing angles, resulting in a more immersive display. 3. Color Depth: The 7-inch TFT display supports a wide color gamut, allowing for vibrant and realistic color reproduction. This makes it ideal for applications where accurate color representation is crucial, such as gaming, multimedia, and digital signage. 4. Touchscreen Capabilities: Many 7-inch LCD come with built-in touchscreen functionality, enabling intuitive user interaction. The touchscreen feature enhances user convenience and enables the development of interactive applications with multi-touch gestures.   Advantage: 1. Versatility: The 7-inch TFT LCD display finds applications across various industries, including automotive, industrial automation, medical devices, consumer electronics, and more. Its compact size and high-quality visuals make it suitable for diverse use cases. 2. Enhanced User Experience: With its high resolution, vibrant colors, and responsive touch capabilities, the 7-inch TFT Module provides an engaging and user-friendly interface. It enhances the overall user experience and facilitates intuitive navigation. 3. Customization Options: Manufacturers often offer customization options for the 7-inch LCD display, allowing customers to tailor the display's features and specifications to their specific requirements. This flexibility makes it adaptable to a wide range of projects.   Applications: 1. Automotive Infotainment Systems: The 7-inch TFT Screen is commonly used in car infotainment systems, providing drivers and passengers with visual information, entertainment, and controls for various vehicle functions. 2. Industrial Control Panels: In industrial automation, the 7-inch TFT display serves as an interface for control panels, enabling operators to monitor and manage complex processes with ease. 3. Medical Devices: The display is utilized in medical devices such as patient monitoring systems, diagnostic equipment, and portable medical devices. Its high resolution and color accuracy are crucial for visualizing critical medical data. 4. Consumer Electronics: From portable gaming devices to home automation systems, the 7-inch TFT display adds a visually appealing and interactive element to consumer electronics products.   The 7-inch TFT display combines compact size, high resolution, vibrant colors, and touch capabilities to provide an exceptional visual experience across multiple industries. Its versatility and customization options make it a popular choice for a wide range of applications. Whether it's enhancing user interfaces in cars, improving control panels in industrial settings, or enabling advanced medical imaging, the 7-inch TFT display continues to play a vital role in modern electronic devices.  

The TFT technology employed in this display ensures excellent color reproduction and wide viewing angles, allowing users to enjoy stunning visuals from various perspectives. The display's high contrast ratio enhances the depth and richness of colors, making images and videos come to life with exceptional clarity.   Furthermore, the 720x1280 resolution delivers a crisp and detailed display, ensuring that text, graphics, and multimedia content appear sharp and well-defined. This makes the display ideal for tasks that require precision and readability, such as reading e-books, browsing the web, or viewing documents.   Parameter: Model P0T107HS500-V0 Screen Size 5 inch diagonal Number of Pixel 720RGB(H)x1280(V) Display area 61.776(H)*109.824(V)mm Pixel size 0.0858*0.0858 mm Pins 30 Pins LCM Outline Dimension 64.76*118.70*2.05mm CTP Outline Dimension 67.56*122.35*1.28mm Outline Dimension 67.56*122.35*3.51 Pixel arrangement RGB Vertical Stripe Display mode TFT:Transmissive Viewing Direction(eye) ALL Assembly method COG+FPC+BL Back-light LED Side-light type Drive IC HX8394-F Operation Temperature -20~70℃ Storage Temperature -30~80℃   The 5-inch 720x1280 TFT Display also boasts efficient power consumption, making it an energy-efficient choice for battery-powered devices. This feature enables longer usage times without compromising on visual quality, ensuring an optimal user experience.

A 3.5 inch TFT LCD is a type of display screen that uses thin-film transistor (TFT) technology to provide clear and vivid images. The term "TFT" refers to the type of transistor used to control the individual pixels on the screen, which allows for faster refresh rates and better color accuracy compared to other types of LCD screens. The term "3.5 inch" refers to the diagonal size of the screen, which measures 3.5 inches from one corner to the opposite corner. This type of screen is commonly used in small electronic devices such as digital cameras, portable media players, and handheld gaming devices. Technical Parameters: Model No. P035M068-IPS Screen Size 3.5 inch Number of Pixel 320RGB(H)x480(V) Pin 40 pin Display area 48.96(H)x73.44(V)mm Pixel pitch 51(H)x153(V)um Outline Dimension 54.50x84.71x2.10mm Pixel arrangement RGB Vertical Stripe Display mode Normally Black Viewing Direction(eye) ALL Display Color 262K Luminance(cd/m2) 300 nit Contrast Ratio 700:1 Interface 18BIT RGB Back-light LED Side-light type Drive IC ILI9488 Operation Temperature -20~70 ℃ Storage Temperature -30~80 ℃  

  TFT Display Description: This is a 2.8-inch TFT LCD display with IPS technology and a capacitive touch panel (CTP). It provides clear and accurate visuals with responsive touch control, making it ideal for various applications, from consumer electronics to industrial equipment.   Customized touch panel: Our TFT LCD can be customized with capacitive or resistive touch screens, with glass or acrylic custom panels. In addition, we can also customize blue light filters to protect users' eyes from harmful blue light radiation. The touch panel offers single and multi-touch options. Single-point touch only needs to respond to one touch point, while multi-touch screen needs to respond to the position and action of multiple touch points at the same time, so more advanced touch sensor technology and higher processing power are required to achieve faster response speed.   Product advantages This 2.8-inch LCD display with IPS technology and capacitive touch panel (CTP) provides clear and accurate visuals with responsive touch control. The IPS technology offers a wide viewing angle and better color reproduction, while the CTP improves the user experience. Its compact size and versatile functionality make it an ideal choice for various applications. The combination of IPS and CTP technologies provides an exceptional visual experience with intuitive touch control, making it an excellent choice for applications in consumer electronics, medical equipment, industrial control panels, and more. Overall, this display offers high-quality visuals, efficient data transfer, responsive touch control, and versatility, making it a popular choice among manufacturers seeking high-quality display solutions.  

2.4 inch LCD Display Introduction: TFT LCDs, or thin-film transistor liquid crystal displays, have become an essential component in modern display technology due to their high-resolution capabilities and low power consumption. It is a popular size for many applications, including handheld devices, digital cameras, and portable gaming consoles. In this article, we will provide a detailed overview of the properties and features of the 2.4 inch TFT LCD Module.   Display Properties: The 2.4 inch TFT LCD has a resolution of 240 x 320 pixels, which provides clear and detailed images. It also has a high contrast ratio of 250:1, which ensures that colors are vibrant and accurate. The display has a viewing angle of 178 degrees, which means it can be viewed from almost any angle without any loss of image quality. Additionally, the display has a brightness of 300 cd/m², which makes it easy to read even in bright sunlight.   Interface: The 2.4 inch screen has a standard 8-bit parallel interface, which allows for easy integration with microcontrollers and other embedded systems. It also has a built-in SPI interface, which provides a more reliable and faster data transfer rate. The display also supports a variety of communication protocols, including I2C and UART, making it compatible with a wide range of devices.   Touchscreen: The 2.4 inch touch panel comes with a resistive touchscreen, which allows for easy navigation and control of the display. The touchscreen is highly responsive and accurate, making it ideal for applications that require precise input. It also has a scratch-resistant surface, which ensures long-term durability and usability.   Power Consumption: It is a low power consumption, making it ideal for battery-powered devices. It has a typical power consumption of 120mW, which can be further reduced to 20mW in standby mode. The display also has a built-in power management system, which helps to optimize power usage and extend the battery life of devices.   Additional Features: The 2.4 inch LCD Module has several additional features that make it a versatile and reliable display. It has a built-in temperature sensor, which helps to ensure that the display operates within its specified temperature range. It also has a built-in backlight, which provides consistent and uniform lighting across the entire display. Additionally, the display has a compact and lightweight design, which makes it easy to integrate into a wide range of devices.      

  Capacitive touch screen is a common touch screen technology, which uses the principle of capacitance to detect the user's touch. Capacitive touch screens consist of a layer of sensors made of a transparent conductive material such as indium tin oxide or indium zinc oxide, usually covering the surface of the display.   When the user touches the capacitive touch screen, the position of the touch will change the distribution of the electric field, resulting in a change in the capacitance value. A touchscreen controller measures changes in these capacitance values and converts them to digital signals to determine where the user has touched. Therefore, capacitive touch screens do not require mechanical buttons or pressure sensors, but can detect user input by lightly touching or approaching the screen.   The advantages of capacitive touch screens include high sensitivity, fast response, high reliability, and multi-touch support. They are widely used in various electronic devices such as mobile phones, tablet computers, e-book readers, car navigation, ATM machines, etc.   To apply a touch screen on a TFT LCD, the following steps are required: 1. Choose suitable touch screen and TFT LCD, make sure their interface and size are compatible. 2. Connect the touch screen and TFT LCD to the circuit board respectively. Touch screens usually need to be connected to a touch screen controller, while TFT LCDs need to be connected to an LCD controller. 3. According to the specifications of the touch screen and TFT LCD, set up the circuit and software on the circuit board to ensure that they communicate correctly and can work together. 4. Write a software driver so that the application can interact with the TFT LCD through the touch screen. This usually requires the use of specific touchscreen and LCD controller APIs and an understanding of the characteristics and limitations of touchscreens and TFT LCDs. 5. Test and debug the system to ensure that the touch screen and TFT LCD are working properly and that the application responds correctly to user input.  

  Are you tired of searching for the perfect TFT LCD display that fits your unique needs? Look no further than our customizable TFT LCD displays. With the ability to tailor the size, shape, IPS viewing angle, brightness, backlight, capacitive or resistive touch screen, and FPC to your exact specifications, you can ensure that your display meets all of your requirements.   Our TFT LCD come in a variety of sizes and shapes to fit any application, from handheld devices to large industrial displays. With IPS technology, you can enjoy a wider viewing angle and more accurate color reproduction, making our displays ideal for use in high-end applications. Additionally, our displays feature high brightness levels, ensuring that your content is visible even in bright sunlight.   We understand that touch screen functionality is critical for many applications, which is why we offer both capacitive and resistive touch screen options. Capacitive touch screens offer a more responsive touch experience, while resistive touch screens can be used with gloves or styluses. We can customize the touch screen to fit the size and shape of your display, ensuring that your users have a seamless experience.   Our displays also feature a variety of backlight options, including LED and CCFL, allowing you to select the optimal brightness for your application. We can also customize the backlight to include dimming functionality, further enhancing the versatility of our displays.   Finally, we offer a range of FPC options, including number of pins and pitch, to ensure that our displays integrate seamlessly with your existing hardware.   At our company, we pride ourselves on delivering high-quality, customizable TFT LCD Screen that meet the exact needs of our customers. Contact us today to learn more about how we can help you create the perfect display for your application.  

Leading display manufacturer announced the launch of its state-of-the-art 3.5'' TFT LCD, delivering superior color performance, clarity, and realism for an elevated visual experience. Boasting exceptional reflectivity and durability, the display provides high-quality images in various lighting conditions, both indoors and outdoors.   The 3.5 inch Touch Screen features low power consumption and high performance, making it the prime choice for smartphones, portable gaming devices, digital cameras, mini television sets, and other portable devices.   The 3.5-inch TFT LCD Module has a wide range of applications and can meet the needs of various industries and applications. For example, it can be used in viewfinders and preview screens of digital cameras to help users take better photos and videos; screens of portable game consoles to provide high-definition gaming experience; displays of home appliances such as smart home control panels, TVs and audio systems etc.; wearable devices: display screens of smart watches, health monitors and other wearable devices, used to display time, health data; industrial control panels used to monitor and control production lines and equipment; display screens of medical devices, used to display Patient information, medical images, etc.

    The Polcd 300 Nit IPS TFT LCD is the perfect choice for PC. This screen offers a stunning display with an 800*480 resolution, giving you sharp visuals and clarity regardless of what type of content you're viewing. The high brightness of 300 cd/m² also helps to ensure a pleasant viewing experience, even in brightly-lit environments. With its 4.3-inch size and crisp color palette, this monitor is perfect for day-to-day use in offices, reception areas, or anywhere else where a reliable visual display is needed.  

    Are you looking for a high-quality TFT LCD display that can offer you vivid colors and high resolution for your projects? If so, you might want to check out the Polcd LCD Display. This TFT LCD display has a resolution of 240 x 320 pixels and can display up to 262K colors with RGB vertical stripe arrangement. It uses the ILI9341V controller with an SPI interface that supports MCU 8/16bit SPI3/4-wire communication. If you are interested, please click:  2.4 inch touch screen  

    Looking for a high-resolution touch panel LCD with 4 wire SPI interface? Look no further than the Polcd 260 Nit. This LCD is capable of displaying resolutions up to 240*320 and brightness levels up to 260 cd/m². Plus, it comes with a built-in touch panel controller for easy use. So why wait? Get your Polcd 260 Nit today!    

  If you are looking for a high-quality and versatile TFT LCD display for your projects, you might want to consider the Polcd RGB 24 Bit 4.3 Inch Tft Lcd Display. This TFT LCD display features a resolution of 800*480, which can show clear and vivid images with rich colors. It also has a size of 4.3 inch, which is suitable for various applications such as handheld devices, video game systems, etc. The TFT LCD display has a brightness of 300 cd/m², which can provide good visibility even in bright environments. If you want to know more details, you can contact us 24 hours a day: anna@polcd.com

When it comes to OLED vs LCD, we all know that OLED display modules outperform LCD display modules in terms of display performance, but is this true? Apple and Samsung, for example, Samsung uses OLED panels in their high-end smartphones. Apple, on the other hand, continues to employ a TFT LCD screen in certain new serial iPhones. In their latest T10 series mobile phone, China's well-known smartphone maker Xiaomi abandoned the prior AMOLED screen in favor of an LCD display module. According to Xiaomi's senior product marketing manager, a high-quality LCD screen is far superior to a medium-quality OLED display panel. So, which is better: OLED or LCD? Regardless of the power difference between OLED and LCD, let us focus on the color differences and features of OLED and LCD display modules.   LCD panels utilize a backlight to illuminate their pixels, whereas OLED pixels generate their own light. You could hear OLED's pixels labeled "self-emissive," whereas LCD tech is "transmissive." The brightness of an OLED display may be controlled pixel-by-pixel. This level of dexterity is not feasible with an LCD, but there are certain limitations to this technique. LCD displays in inexpensive TVs and LCD-screen phones typically employ "edge lighting," in which LEDs reside on the side of the panel rather than behind it. The light from these LEDs is sent through a matrix and into our eyes through the red, green, and blue pixels.   LCD displays can be brighter than OLED displays. That's significant in the TV industry, but much more so for cellphones, which are frequently used outside and in direct sunlight. Brightness is commonly measured in "nits," which is about the brightness of a candle per square meter. Brightness is vital for seeing content in low light or sunshine, but it is also important while viewing high dynamic range video. This is more applicable to TVs, but phones have credible video performance, so it counts in that market as well. The bigger the visual effect, the higher the degree of brightness.   The most recent LCD panels may offer stunning natural-looking colors. However, it is dependent on the technology employed. Colors in OLED are less prone to pop and brilliance, although early OLED TVs and phones struggled to maintain colors realistic. Color volume is an area where OLED falls short. That is, bright situations may put an OLED panel's ability to maintain color saturation to the test. Which is better? Personal preference is basically all that matters. Both OLED and LCD have flaws. Some praise the OLED's illumination accuracy and ability to handle darkness. Others favor LCDs' increased brightness and ability to keep colors vibrant. If you want to discover the ideal display for your items, you can contact us: anna@polcd.com

    PMOLED (Passive matrix OLED) is a passive matrix organic electroluminescent diode. If you compare OLED to LCD. PMOLED is like STN LCD; and active organic electroluminescent diode (Active matrix OLED; AMOLED) is like TFT LCD. The former is not suitable for displaying dynamic images, and the response speed is relatively slow, so it is difficult to develop medium and large-sized panels, but it is relatively power-saving; the latter has a faster response speed and can be used in various sizes, up to TV panels are required, but they consume more power than passive ones.     Model Size Resolution Brightness (cd/m2) Interface (Optional) PMOLED042001 0.42 72x40 120 4-wire SPI / I²C PMOLED049001 0.49 64x32 180 4-wire SPI / I²C PMOLED050001 0.50 48x88 250 SPI / I²C PMOLED054001 0.54 96x32 190 I²C PMOLED063001 0.63 120x28 220 I²C PMOLED066001 0.66 64x48 190 4-wire SPI PMOLED069001 0.69 96x16 200 I²C PMOLED077001 0.77 64x128 180 4-wire SPI PMOLED087001 0.87 128x32 120 I²C PMOLED091001 0.91 128x32 150 I²C PMOLED096001 0.96 128x64 80 4-wire SPI / I²C PMOLED096002 64x128 100 4-wire SPI / I²C PMOLED109001 1.09 64x128 120 4-wire SPI PMOLED112001 1.12 96x96 80 Parallel / I²C / 4-wire SPI PMOLED129001 1.29 128x64 80 Parallel / I²C / 4-wire SPI PMOLED130001 1.3 64x128 120 4-wire SPI / I²C PMOLED132001 1.32 128x96 100 Parallel / I²C / 4-wire SPI PMOLED150001 1.5 128x128 100 Parallel / I²C PMOLED154001 1.54 128x64 100 Parallel / I²C PMOLED223001 2.23 128x32 100 Parallel / I²C / 4-wire SPI PMOLED240001 2.4 128x64 90 Parallel / I²C / 4-wire SPI PMOLED242001 2.42 128x64 90 Parallel / I²C / 4-wire SPI PMOLED270001 2.7 128x64 90 Parallel / I²C / 4-wire SPI PMOLED312001 3.12 256x64 80 Parallel / 4-wire SPI  

    Polcd 5.5 inch IPS Touch Display 720x1280 MIPI Interface 720p lcd TFT LCD Display Panel   What can we expect from this one? Before this question it is better to know some information about this IPS TFT LCD Display. Screen size is 5.5 inch. A very common and hot selling size for small size TFT display. The TFT LCD offers a physical resolution of 720 * 1280, clear enough for most scenes to be used. 300 nits allow this lcd to work well indoors.   P/N P055H018-IPS-V3 Size(inch) 5.5 Resolution 720*1280 Brightness(cd/m²) 300 Interface MIPI Driver Ic ST7703 Operation Temperature(°C) -20~70 Pin Number 40   Supported by MIPI, this type of TFT LCD can be used in many applications. ST7703 is the driver IC of the tft lcd. The operation temperature is -20°C to 70°C and the storage temperature is -30°C to 80°C which compliant with industry standards.     Q: Is there a Touch Panel (Touch Screen) on the display? A: We can offer you the RTP (Resistive Touch Panel) and CTP (Capacitive Touch Panel) if you need. Q: What about payment terms? A: PayPal and credit card can be accepted for sample, T/T paid for mass order. Advance payment percentage can be discussed. Q: Do you have products in stock? How long will it take for delivery? A: Our inventory is mainly raw materials, semi-finished and a small number of finished products. After payment, sample available in stock will be sent within 3 days; Small batch delivery takes 2-3 weeks; Large batch delivery takes 3-4 weeks. Our sales will serve you these details before shipping. Q: What if the goods get lost/ damaged on the way? A: We strongly suggest to buy insurance in case of any problem. We will discuss these details with you before order.

  polcd｜Foreign trade department dinner   On March 10th, all the staff of the foreign trade department of polcd gathered together to spend Friday night together. James, the general manager of polcd, expressed his sincere wishes and concern for the employees! In 2023, polcd will continue to accumulate strength, lay a solid foundation, focus on products, develop new products, deepen the industry, and comprehensively promote the development of value-based enterprises.  

Polcd 3.97 inch RGB 480x800 TFT LCD Display With Capacitive Touch Panel 3.97" TFT LCM Module Screen     Product number P0T113CT400-V1 LCM Dimensions 57.14*96.85*2.30mm CTP Dimensions 57.86*97.70*1.38 Assembly Dimensions 57.86*97.70*3.93 Display Size 3.97 inch Number of Pixel 480RGB* 800 Display Area 51.84(H)*86.40(V) pixel size 0.108*0.108 LCD type TFT; Transmissive Normal white Angle of view 12’o clock Interface MCU16 bit Driver IC NT35510 Assembly method COG+FPC+BL Backlight type 8 Dies LED  

  New published IPS TFT LCD Display for commercial and industrial use. Our TFT LCD has a 2 inch diagonally. The resolution of our tft lcd is 240 * 320. The normal brightness is 300 nits under the test of laboratory. The Interface of this LCD is MCU 8BIT. We can also customize other types of interfaces and FPCs for you. The ST7789V driver IC provides on-chip storage and power system. If your products need to work under a temperature from -20°C to 70°C, then it can meet your needs.     P/N P020H017-IPS Size(inch) 2 Resolution 240*320 Active Area(mm) 30.60*40.80 Pixel pitch(um) 42.5*127.5 Outline Dimension(mm) 35.92*52.74*2.40 Pixel arrangement RGB Vertical Stripe Display Mode Normally Black Viewing Angle ALL Display colors 262K Brightness (cd/m²) 300 Contrast Ratio 800:1 Interface MCU 8BIT Back-light LED Side-light type Driver Ic ST7789V Operation Temperature(°C) -20~70 Storage Temperature(°C) -30~80 Response time(ms) 30 Pin Number 20     Hot selling P/N Size (inch) Resolution Interface N096-1608TBBIG11-H13 0.96 80*160 4 Line SPI P114H002 1.14 135*240 4 Wire SPI N133-2424TCBIG01-H12 1.33 240*240 4 Wire SPI P169H002-CTP 1.69 240*240 4 Line SPI P177C011 1.77 800*480 RGB 24bit P020H017-IPS 2 240*320 MCU 8BIT HINK-E0213A189-A0 2.13 122*250 3 Line SPI 4 Line SPI P022H002 2.2 240*320 4 Line SPI P023H005-V2 2.31 320*240 8080 MCU 16bit EO-DIS-TFT24V03 2.4 240*320 8080 MCU 8bits P027-40-V2 2.7 960*240 RGB 8bit P028H042 2.8 240*320 MCU 8/16bit SPI3/4-wire P032010A 3.2 320*820 SPI+16BIT RGB P035C013-CTP 3.5 320*480 8080 MCU 16bit P035M048-IPS 3.5 320*480 18BIT RG P043B018 4.3 800*480 RGB 24bit P050B028-IPS-CTP 5 800*480 RGB 24bit P055H018-IPS-V3 5.5 720*1280 MIPI P070C012 7 800*480 RGB 24bit T10150UX-V01 10.1 1024*600 RGB 24bit     FAQ Q: Can we customize product? What cost will be included? A: The product can be customized. However, TFT LCD module has different tooling cost which includes FPC, Touch screen, backlight, bezel and so on. Q: Where can I get the datasheet, initialization code, product drawings, test reports and other technical files? A: Please contact our sales and we will provide any files if you need. Q: How you ship the goods? A: Usually we will ship the sample by fast delivery. No matter how we will take the best shipping method you agree with. Shipping cost should pay by your side, please kindly know. Q: How to control the quality of products? A: Our company has a professional quality team, and all products are 100% inspected prior to ship.

Polcd 2.31 Inch IPS LCD 320x240 SPI ILI9342C Serial Port Touch Screen Dots Matrix TFT Display   This Medical LCD Display is a color-active matrix thin-film transistor (TFT) liquid crystal display (LCD) that uses amorphous silicon TFT as a switching device. If your product requires a size 2.31 inch then our lcd is just what you need. Improve your product design by adding our 320 * 240 resolution product. QC department measured the luminance is 300 nits under normal operating.   P/N P022H022 Size(inch) 2.31 Resolution 320*240 Active Area(mm) 46.75*35.06 Pixel pitch(um) 146.1*146.1 Outline Dimension(mm) 50.96*45.80*2.40 Pixel arrangement RGB Vertical Stripe Display Mode Normally Black Viewing Angle 6 0'CLOCK Display colors 262K Brightness (cd/m²) 300 Contrast Ratio 600:1 Interface RGB 18bit Back-light LED Side-light type Driver Ic ILI9342C Operation Temperature(°C) -20~70 Storage Temperature(°C) -30~80 Response time(ms) 35 Pin Number 40   This type of RGB 18bit can be suitable for a variety of scenarios. From the datasheet we can know the driver of the LCD is is ILI9342C. THE lowest operating temperature can reach -20°C (-4°F) and highest is 70°C (158°F).     Q: I cannot find the size, the interface or the FPC I need, is it possible for customization? A: Of course you can customize. Just tell us what you need. However, TFT LCD module has different tooling cost which includes FPC, Touch screen, backlight, bezel and so on. Q: Where can I get the datasheet, initialization code, product drawings, test reports and other technical files? A: Please contact our sales and we will provide any files if you need. Q: How long can I get the goods? A: It depends on the quantity. Our inventory is mainly raw materials, semi-finished and a small number of finished products. Samples available in stock will be sent in 3 days; Small batch delivery takes 15-20 working days include producing; Large batch delivery takes 20-30 working days. We will list the time cost for you before order. Q: What kind of packaging? Will the transport process be damaged? A: Packed in anti-static bags with foam box to ensure safety in transportation.  

Polcd 21.5 Inch LCD Monitor Touch Screen Pure Flat Metal Aluminum Case Display for Industrial Personalized customization, ustomizable products, appearance, wide temperature screen, high brightness screen, high resolution, wide voltage, etc. OEM/ODM are all available. 1. Cold rolled sheet metal material, strong casing, shockproof, anti-interference; 2. Support wall-mounted, desktop, embedded installation; 3. Using industrial-grade high-brightness display, longer life; Industrial design natural heat dissipation;   Product name 21.5 inch multi-function LCD monitor Optional Resistive Capacitive Touch Brand polcd Model PM215MP801 material metal Display IPS screen Display ratio 16:9 Resolution 1920*1080 Frequency 60HZ Viewing angle full viewing angle Body size 500*295*50mm Display size 475.2*267.3mm Format PAL NTSC VISA hole pitch 75*75mm and 100*100mm Menu language 12 Power supply DC12V 2.6A

Polcd 1.69 2.2 2.4 3.5 4 4.3 inch Small LCM TFT Screen Module Full Color RGB SPI IPS Panel Small LCD Display Medical Industry Equipment Such as syringe pumps, ECG monitors, fetal heart rate monitors, ventilators, etc., require screens with ultra-wide viewing angles and long life.   Smart Home Smart switch panels, mobile smart devices in public places, etc. require screens with ultra-wide viewing angles and long life.   Industrial Manufacturing All kinds of precision production tools and equipment span a wide range of fields, requiring screen touch, shock resistance, impact resistance, and good stability   Aerospace Industry This industry has very strict requirements on the instrument screen and top material, we can do it!   Electronic product Some are relatively small, such as cameras, psps, audio, handheld devices, smart wearables, etc.   Instrumentation: Face recognition, printers, elevator equipment, smart scales, etc. A wide screen field of view is required.   Marine and automobile central control equipment: Ultra-wide operating temperature, impact resistance, ultra-wide viewing angle, high brightness and high definition are required.

Polcd 9.7" IPS Screen Industrial Panel Open Frame PC Monitor for Computer with Plastic Case HD-MI Personalized customization, ustomizable products, appearance, wide temperature screen, high brightness screen, high resolution, wide voltage, etc. OEM/ODM are all available. 1. Cold rolled sheet metal material, strong casing, shockproof, anti-interference; 2. Support wall-mounted, desktop, embedded installation; 3. Using industrial-grade high-brightness display, longer life; Industrial design natural heat dissipation;   product name 9.7 inch multi-function LCD monitor Optional Resistive Capacitive Touch brand polcd model PM097OP801 material plastic brightness 350cd/m2 display IPS screen Zoom 4:3 Contrast 1000:1 Resolution 1024*768 frequency 60Hz Viewing angle 90/90/90/90 full viewing angle Dimensions 241*192*35MM Display size 196*148mm standard PAL NTSC VISA hole spacing 75*75mm menu language 8 kinds power supply DC12V 2A  

We are excited to be exhibiting at CES 2023 - the world's leading trade show for electronics.   What can you meet there? We will bring you products such as TFT LCD display, industrial monitor, keyboard, mouse, charger and data cable, to showcase our latest products and technologies in 3C consumer electronics applications.   Once again,The Polcd business unit will be coming together in Las Vegas to showcase our technology and solutions at Booth No.54666. （Just ended the German exhibition Electronica 2022 Munich in November 2022.）   Time: JAN 5--8 2023 Booth No.54666 Las Vegas, United States   Contact us to learn more about our CES 2023 program.    

Polcd 1.69 Inch TFT Display 240x280 Capacitive Touch Screen Panel LCD Module for Smart Watch   New published LCD Touch Panel for commercial and industrial use. Our TFT LCD has a 1.69 inch diagonally. The resolution of our tft lcd is 240 * 240. The normal brightness is 350 nits under the test of laboratory. The Interface of this LCD is 4 Line SPI .    P/N P169H002-CTP Size(inch) 1.69 Resolution 240*240 Active Area(mm) 27.97*32.63 Pixel pitch(um) 116.55*116.55 Outline Dimension(mm) 33.13*41.13*3.61 Pixel arrangement RGB Vertical Stripe Display Mode Normally Black Viewing Angle ALL Display colors 262K Brightness (cd/m²) 350 Contrast Ratio 800:1 Interface 4 Line SPI Back-light LED Side-light type Driver Ic ST7789V Operation Temperature(°C) -20~70 Storage Temperature(°C) -30~80 Response time(ms) 35 Pin Number 18   We can also customize other types of interfaces and FPCs for you. The ST7789V driver IC provides on-chip storage and power system. If your products need to work under a temperature from -20°C to 70°C, then it can meet your needs.   FAQ Q: Can we customize product? What cost will be included? A: The product can be customized. However, TFT LCD module has different tooling cost which includes FPC, Touch screen, backlight, bezel and so on. Q: Where can I get the datasheet, initialization code, product drawings, test reports and other technical files? A: Please contact our sales and we will provide any files if you need. Q: What is your delivery method? A: EXW Shenzhen by DHL/ UPS/ FedEx/ TNT and any other method you want. Or ship the goods to your forwarder in China mainland and Hong Kong. Q: Can I trust the quality? We want good quality first. A: Our company has a professional Quality Control Department, and all products are 100% inspected prior to ship. We welcome all the customers from the wolrd visiting our factory for checking any time.   Q: Can we visit your factory? How can I visit your factory? Any limit? A: Our factory is open to all the visitors. Before you visit you need to make an appointment. There is no limit for visitors. All you need to do is follow the rules in the factory.    New published LCD Touch Panel for commercial and industrial use. Our TFT LCD has a 1.69 inch diagonally. The resolution of our tft lcd is 240 * 240. The normal brightness is 350 nits under the test of laboratory. The Interface of this LCD is 4 Line SPI . 

What are the advantages and disadvantages of LCD Display?     Advantage: low voltage drive low current consumption Thin in size and light in weight Can realize large area Colorization is easy.   Disadvantages: Angle of view limited. Add backlight or projection light. Temperature operating range limit.      

  1080P IPS Portable Monitor 15.6'' advanced IPS screen with 178° wide viewing angle, Delivers 1920*1080 breathtaking viewing quality and HDR technology, portable gaming monitor has excellent color rendering ability, provide you the clearer, smooth, excellent performance in gaming/multimedia. It can effectively reduce blue light radiation damage, no flickering, eye-care, and make it easier to watch for a long time. Polcd 15.6 inch FHD 1080P micro touches portable usb monitor pc usb portable lcd monitor for laptop   Ultra-Slim Portable Display USB C portable monitor features a 0.3 inch ultra-slim profile(1.7 lb), it is easy to slides into your bag, allows you to carry it everywhere, ideal for a simple on-the-go dual-monitor setup or extend your phone screen for movies or games.   10-point Capacitive Touchscreen Monitor Adopted Full Lamination On-Cell Touch technology, support much more precise and sensitive touch, no extra driver needed, just connect the USB cable to your device to achieve the touch function. Multi-touch has been tested to work with Windows, Android, Support Chrome OS and Ubuntu. Support wind7, win8, win8.1, win10; 10 point multi touch(For wind10 only); (NOTE: All gaming device and mobile phone without full featured type-c function can not get touch function.)  

  2022 Munich International Electronic Components Exhibition in Germany Time: 2022.11.15-11.18 Booth No.: Hall B5 258-1   Our exhibition will be held for 4 consecutive days, and there are a lot of samples on display.     What is LCD Liquid Crystal Display ？ The structure of the LCD is to place liquid crystals between two parallel pieces of glass. There are many vertical and horizontal thin wires between the two pieces of glass. The direction of the rod-shaped crystal molecules is controlled by whether the electricity is on or not, and the light is refracted to produce a picture.   There are many application fields of LCD liquid crystal screen, medium-sized medical equipment such as: injection pump, ECG monitor, ventilator, blood glucose meter and so on. Smart home: kitchen appliances, smart audio equipment, smart switch panels, air conditioning panels, smart scales, etc. In order to match a suitable display product, it is necessary to select a suitable LCD screen size and characteristics.  

  2022 Munich International Electronic Components Exhibition in Germany Time: 2022.11.15-11.18 Booth No.: Hall B5 258-1 Shenzhen P&O Technology Co., Limited, which has many years of experience in the electronic components industry, will definitely participate! And this is just the first stop of our global exhibition tour~     As early as October, our TFT LCD Screen Display has arrived in Munich, Germany from China~ Our preparations are very adequate and rich: Main size of 0.96~10.1 Inch Small LCD Module; 8, 13.3, 15, 21.5, 10.1 Inch Industrial Monitor; 10.5 Inch Portable Touch Screen Monitor for phone PC   If you are interested, you can come to us on site, we have professional staff to answer all your questions~ There are also practical gifts~   During the exhibition, we will provide the latest on-site consultation ~ collect our official website!!   Contact us: WeChat / WhatsApp / Skype: +86 13714394335 Tel / Fax: 0755-21011746 E-mail: anna@polcd.com Web: www.polcd.com    

How to choose the right industrial display touch mode?       There are many kinds of industrial display touch methods, how to choose the most suitable one for you? Today, I will take you to understand the difference between capacitive screen and resistive screen? What are the differences between capacitive screen and resistive screen? 1. Cost: Capacitive screens are more expensive. Capacitive screens from different manufacturers are about 10% to 50% more expensive than resistive screens, while resistive screens are cheaper. 2. Power consumption: Industrial display capacitive screen consumes more power than resistive screen. 3. Visual effect: The visual effect of capacitive screen and resistive screen is very good indoors, but the visual effect is obviously different outdoors, especially under the sunlight. Capacitive screens work better, but resistive screens reflect sunlight because of the extra screen layer, which makes the visual effect worse. 4. Feasibility of multi-touch: The multi-touch of capacitive screen can be realized, depending on the way of implementation and the software used, and it has been realized at present. The multi-touch of the resistive screen cannot be realized.   5. Touch sensitivity: The capacitive screen works by using the current sensing of the human body, so any non-conductive material such as fingernails, gloves, etc. cannot be recognized by the capacitive sensing system under the screen, but the resistive screen works through the pressure sensor. You can use any object to touch, support stylus. 6. Damage resistance: The outermost layer of the capacitive screen is a protective layer of silica glass, which may be broken under severe impact. The outermost layer of the resistive screen is a thin film, which needs to be pressed down for pressure sensing, and the resistive screen supports a stylus, which makes the screen prone to scratches, requiring a protective film and relatively more frequent calibration, but it is more difficult than a capacitive screen break. 7. Cleanliness: Capacitive screens need to be touched with fingers, which is easy to leave stains on the screen, but because the outermost layer is a glass layer, it is easy to clean. The resistive screen supports operations such as stylus and nails, so it is not easy to stain the screen.   8. Accuracy: The capacitive screen can theoretically reach several pixels, but in fact, due to the limitation of the contact area of ​​the finger, it is difficult for us to accurately click the target less than 1cm. Resistive screens, on the other hand, are accurate to at least a single display pixel, which can be seen when using a stylus. Facilitates handwriting recognition and facilitates operations in interfaces that use small control elements.   9. Environmental adaptability: The operating temperature of the capacitive screen is between 0°C and 35°C, requiring at least 5% humidity. There is no specific value for the operating temperature of the resistive screen, but it has been confirmed that the resistive screen can work normally at a temperature of -15°C to 45°C, and the resistive screen has no requirements for humidity.      

What is the principle of LCD Module? Liquid crystal is a substance between solid state and liquid state. It cannot emit light by itself, and it needs an additional light source. Therefore, the number of lamps is related to the brightness of the liquid crystal display. The earliest liquid crystal displays only had two upper and lower light tubes. Up to now, the lowest of the popular type is four lights, and the high-end one is six lights. The four-lamp design is divided into three placement forms: one is that there is one lamp on each of the four sides, but the disadvantage is that there will be black shadows in the middle. The solution is to arrange the four lamps horizontally from top to bottom. The last one is the "U" shape, which is actually two lamps produced by two lamps in disguise. The six-lamp design actually uses three lamps. The manufacturer bends the three lamps into a "U" shape and then places them in parallel to achieve the effect of six lamps.  

Industrial LCD Monitor is liquid crystal displays used in industry, with a variety of display sizes, installation methods, etc. Different from ordinary liquid crystal displays, it can adapt to extreme environments, run stably, and have a long service life. According to the installation method, it can be divided into: embedded, rack-mounted, and open. Size and resolution also play a role in overall readability. Generally, 6.5, 8.4, 10.4, 12.1 and 15 inch LCDs in LCD mode are mostly used in industrial applications. These dimensions provide enough room for viewing numbers, waveforms, or other graphic data without taking up too much space on the device. Resolution: The requirements for resolution are mainly determined by the display information or display data. In the past, VGA, SVGA, and XGA resolutions were the most popular. Sustainability: Resistance to temperature changes and vibration is an important consideration in selecting displays for contemporary industrial applications. Displays must be resilient enough to prevent bumps or bumps from mechanical operators or peripheral equipment, and must be able to handle a wide range of operating temperatures. Compared to CRTs, LCDs are more resistant to temperature changes, bumps and vibrations.

LCM (LCD Module) is LCD display module, liquid crystal module, refers to the liquid crystal Crystal display devices, connectors, peripheral circuits such as control and drive, PCB circuits Panels, backlights, structural parts, etc. are assembled together. Small and medium-sized LCM modules are widely used, mainly mobile phones, MP3, MP4 , digital cameras, digital video cameras, digital photo frames, game consoles, learning machines, Multimedia audio and video such as GPS, car monitors, PDAs, portable TVs, etc. product. The demand market is more flexible and has many types.    

Smart TFT LCD display embeds LCD driver, controller and MCU, sets engineer free from touch screen programming. Using Smart TFT LCD module, our customers greatly reduce product's time-to-market and BOM cost. Quick and easy GUI implementation Simple serial interface to provide event notification and LCD display control Lua script engine enables rich and friendly user interface RJ45 supports remote update and easy expansion    

TFT lcd display has become more and more important for medical device. To picke the right TFT color LCD module for a medical instrument, product engineers and  decisioners need to have to know more about the screen.    The medical LCD display is different from industrial LCD in following ways   Higher brightness and wide viewing angle   Wider range temperature   Higher electromagnetice compatibility       P&O lcd screens have used in medical devices already. You can inquiry for more information about our medical lcd screen.