1. Large display area and wide display angle
TFT-LCD can have a larger display area than other LCDs. The best TFT-LCDs now have 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 1.3-inch TFT chip for LCD projection is XGA containing millions of pixels. The resolution of SXGA (1280 × 1024) of 16.1-inch TFT array non-crystalline silicon film thickness of only 50nm, as well as TAB ON GLASS and SYSTEM ON GLASS technology, the integration of its IC, the requirements of equipment and supply technology, technical difficulties are more than the traditional LSI. Low voltage applications, low drive voltage, solid state use safety and reliability; flat panel, thin and light.
3. Good display quality and low harmful radiation
TFT was first used as a matrix addressing circuit to improve the light valve characteristics of liquid crystals. For high-resolution displays, precise control of the object element is achieved by voltage regulation in the range of 0-6V (its typical value is 0.2 to 4V), thus making it possible to achieve high-quality and high-resolution displays in LCDs. TFT-LCD was the first flat panel display in human history to surpass CRT in terms of display quality. Now that people are beginning to integrate the driver IC into the glass substrate, the entire TFT will be more powerful than conventional large-scale semiconductor integrated circuits. No radiation, no flicker, no damage to the user's health. In particular, the emergence of TFT-LCD electronic books will bring human beings into the era of paperless office and paperless printing, triggering a revolution in the way human beings learn, disseminate and remember to plant civilization.
4. Low production cost and many manufacturing processes
Glass substrates and plastic substrates fundamentally solve the cost problem of large-scale semiconductor integrated circuits, and open up a wide application space for the application of large-scale semiconductor integrated circuits. In addition to the use of sputtering, CVD (chemical vapor deposition) MCVD (molecular chemical vapor deposition) and other traditional processes into the film, laser annealing technology has also begun to apply, both to produce amorphous film, polycrystalline film, but also to manufacture single crystal film. Not only silicon films, but also other Group II-VI and III-V semiconductor films can be produced.
5. Wide application range and wide application field
TFT-LCD can be used in the temperature range from -20℃ to +50℃, and the low temperature working temperature of the temperature-reinforced TFT-LCD can reach -80℃. It can be used as mobile terminal display, desktop terminal display, and large-screen projection TV, and is a full-size video display terminal with excellent performance. TFT-based liquid crystal flat panel displays are the backbone of the information society, and the technology can be applied to the rapidly growing thin-film transistor organic electroluminescent (TFT-OLED) flat panel displays, which are also growing rapidly.
