led video wall

 ​ Structure and driving analysis of LED display screen LED screen is divided into indoor LED large screen and outdoor LED screen according to the use environment; The LED screen is divided into single primary color LED screen, double primary color LED screen and full-color LED screen according to the display color; LED screen can be divided into 16, 32, 64, 128 and 256 gray LED screens according to gray level; LED screen is divided into text LED screen, commercial outdoor LED floor , synchronous video LED screen and TV video LED screen according to display performance. System structure of LED display screen Display unit: This is the main part of the LED display screen, which is composed of luminous materials and driving circuits. The indoor screen is the unit display board of various specifications, and the outdoor screen is the unit box. Main controller: it is used to buffer, transform and reorganize the input RGB digital video signal, and generate various control signals.