The main principle of the liquid crystal display is to stimulate the liquid crystal molecules to generate dots, lines and surfaces with the back light tube to form the screen. It has the following four characteristics: [8]
(1) The body is thin and space-saving. Compared with the relatively bulky CRT monitors, the LCD monitor only needs one-third of the space of the former; [8]
(2) It saves electricity and does not generate high temperature. It is a low-power consumption product. Compared with CRT monitors, it can be completely non-hot; [8]
(3) There is no radiation, which is beneficial to health, and the liquid crystal display is completely radiation-free; [8]
(4) The picture is soft and does not hurt the eyes. Unlike the CRT technology, the LCD screen will not flicker, which can reduce the damage to the eyes of the display, and the eyes are not easy to get tired.
