TFT stands for Thin-Film-Transistor. This technology is mainly used for manufacturing flat computer and video screens, which are superior to classic LCD screens. Color quality, fast response and resolutions are excellent for video and graphics, and therefore TFT screens are replacing tube-based Wide Screen projectors as well. In the beginning there were some price and technical problems with TFT screens. The price was high, mainly due to low yield in the wafer production process, the brightness of the screen was quite low and the resolution, although fine for composite video, was not sufficient for high-resolution computer graphics. As technology advanced, most of the problems were solved and now, bright, high-resolution TFT screens are available at very reasonable prices.
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