1. Large display area and wide display angle
TFT-LCD can have a larger display area than other LCDs., The best TFT-LCD now has a vertical and horizontal viewing angle of 178 degrees, which is unmatched by other LCDs.
2. High chip integration and good usage characteristics
The resolution of the 1.3-inch TFT chip used for LCD projection is XGA, which contains millions of pixels. The film thickness of the 16.1-inch TFT array amorphous silicon with a resolution of SXGA (1280 x 1024) is only 50nm, and the integration degree of its IC, the requirements for equipment and supply technology, and the technical difficulty of TAB ON GLASS and SYSTEM ON GLASS technologies all exceed traditional LSIs. Low voltage applications, low driving voltage, improved safety and reliability in solid-state use; Flat and lightweight.
3. Good display quality and low harmful radiation
TFT was originally used as a matrix site selection circuit to improve the light valve characteristics of liquid crystals. For high-resolution displays, precise control of object elements is achieved through voltage regulation in the range of 0-6V (typical values of 0.2 to 4V), making it possible for LCD to achieve high-quality high-resolution display. TFT-LCD is the first flat panel display in human history to surpass CRT in display quality. Nowadays, people are starting to integrate driver ICs onto glass substrates, making the entire TFT more powerful than traditional large-scale semiconductor integrated circuits. No radiation, no flicker, and no harm to the user's health. Especially with the emergence of TFT-LCD electronic books and magazines, humanity will be ushered in the era of paperless office and printing, triggering a revolution in the way humans learn, spread, and record civilization.
4. Low production cost and multiple manufacturing processes
Glass and plastic substrates fundamentally solve the cost problem of large-scale semiconductor integrated circuits, opening up broad application space for the application of large-scale semiconductor integrated circuits. In addition to traditional processes such as sputtering, chemical vapor deposition (CVD), and molecular chemical vapor deposition (MCVD) for film formation, laser annealing technology has also begun to be applied, which can produce both amorphous and polycrystalline films, as well as single crystal films. Not only can silicon films be made, but other II-VI and III-V semiconductor films can also be made.
5. Wide applicability and wide application fields
TFT-LCD can be used normally within the temperature range of -20 ℃ to+50 ℃, and the low-temperature working temperature of TFT-LCD after temperature reinforcement treatment can reach minus 80 ℃. It can be used as a mobile terminal display, desktop terminal display, and large screen projection TV, making it a high-performance full-size video display terminal. LCD flat panel displays based on TFT technology are the pillar industry of the information society, and the technology can also be applied to the rapidly growing thin film transistor organic electroluminescence (TFT-OLED) flat panel displays.