As an important application product, monitors of various types emerge in an endless stream, and monitors with advanced technologies such as liquid crystal, plasma, light emitting diode, etc. have been widely used.

Generally, the monitor refers to the display. Some graphics cards can output dual displays, and the other is called the monitor. The development of monitors has experienced the development process from black and white to color, from flashing to non-flashing, from CRT to LCD and then to BSV liquid crystal technology.