VA LCD, also known as VATN, is short for Verticcal Align Twisted Nematic. This technology is different from the previous TN LCD twisted orientation technology, it does not need cross-polarizer. VATN can provide true black and white working mode, response speed is extremely fast, suitable for dynamic image display and large screen display is widely used in small household appliances, high-end instrument products on the display screen. VA LCD screen has a high contrast between black and white. Compared with other black and white words segment code LCD screen, VA LCD screen has a darker and purer background color. It has a good effect of color segment code LCD screen and the best screen printing effect. At the same time, VA LCD screen cost is higher than the ordinary material of the LCD screen.