LED display screen is an electronic display screen composed of LED lattice, which changes the screen display content form such as text, animation, picture and video by turning off the traffic light beads, and carries on the component display control through the modular structure. It is mainly divided into display module, control system and power supply system. The display module is the LED lamp lattice to form the screen luminous; the control system is to control the light and off in the area to convert the content of the screen display; the power supply system is to convert the input voltage and current to meet the needs of the display screen. LED screen can realize the conversion between different forms of a variety of information presentation modes, and can be used indoors and outdoors, which has incomparable advantages over other display screens. With the characteristics of high light intensity, low power consumption, low voltage demand, compact and convenient equipment, long service life, stable impact resistance and strong resistance to external interference, it has been rapidly developed and widely used in various fields.
