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What is TFT LCD screen?

June 16, 2022

  


     The TFT LCD screen has a semiconductor switch for each pixel, and its processing technology is similar to a large-scale integrated circuit. Since each pixel can be directly controlled by dot pulses, each node is relatively independent and can be controlled continuously. This design not only improves the response speed of the display screen, but also can accurately control the display gray level, so the TFT liquid crystal colors are more realistic.

 

     TFT (ThinFilmTransistor)[1] refers to thin film transistors, which means that each liquid crystal pixel is driven by a thin film transistor integrated behind the pixel, so that it can display screen information at high speed, high brightness and high contrast. One of the best LCD color display devices at present, its effect is close to CRT monitors, and it is the mainstream display device on laptops and desktops now. Each pixel of the TFT is controlled by the TFT integrated on itself, which is an active pixel. Therefore, not only the speed can be greatly improved, but also the contrast and brightness are greatly improved, and the resolution has also reached a high level.

 

      The TFT-LCD liquid crystal display is a thin film transistor type liquid crystal display, also known as "true color" (TFT). TFT liquid crystal has a semiconductor switch for each pixel, and each pixel can be directly controlled by dot pulse, so each node is relatively independent and can be controlled continuously, which not only improves the response speed of the display screen, but also can be precisely controlled Display color gradation, so the color of TFT liquid crystal is more true.

 

      TFT is a thin film transistor active matrix liquid crystal display device. TFT liquid crystal display designs a field effect switch tube on each pixel point, so that it is easy to realize the liquid crystal display device of true color and high resolution. The current TFT-type liquid crystal generally realizes more than 18bit color (218 colors), and even reaches 24bit color; in terms of resolution, it realizes VGA (640×480), SVGA (800×600), XGA (1024×768), SXGA (1280×1024) and even UXGA (1600×1200) have become a reality.

 

     Shenzhen Chenghao Optoelectronics Co., Ltd. is engaged in the development, production and sales of 0.96 inch to 12 inch strip LCD screens, industrial control LCD screens, and medical LCD screens. LCD screen factory. 

 

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