What is TFT LCD?

2025-05-21

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.

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