p3.91 rental led display.The basic components of LED display screens

　　Box: It is the body of an LED display screen, which needs to emit light, including the box, screen frame, screen glass, power system, etc.

　　Control system: It is the core part of the display screen and can control the normal operation of the entire display screen, including the control system motherboard, scanning control board, video processor, power transformer, cooling system, etc.

　　Light emitting part: It is the part of an LED display screen that needs to display text or images, including modules, modules, LED beads, LED chips, etc.

　　Connection section: including the connection between modules, the connection between modules and the box, and the connection between the control system and the box.

　　Other parts, including waterproof system, lightning protection system, installation system, etc., are set up to make the display screen more stable and reliable.

　　In addition, LED display screens are also divided into two types: asynchronous screens and synchronous screens. Asynchronous screen mainly consists of display unit board (module), strip screen card, switch power supply, HUB board, etc. It is connected to the computer through serial port cable to change the display text, and can then disconnect from the computer work. The synchronous screen system is relatively complex, and can be large or small. It generally consists of a computer, DVI graphics card, data sending card, synchronous data receiving card, HUB board, network cable, LED display screen, etc. The system always needs to work with an online computer to display the images and text on the LED large screen.

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