LED display module is a component composed of multiple LED lamp beads, circuit boards, control chips and other materials. It is usually packaged together to form an independent, combinable and spliced display unit. It is the basic component of LED displays. By combining these modules in a specific arrangement, LED displays of different sizes and resolutions can be formed. Depending on the application, LED display modules can be divided into indoor modules and outdoor modules. Indoor modules are usually used in indoor environments and require clear display, high brightness, low power consumption, low heat, etc.; while outdoor modules need to have waterproof, dustproof, corrosion resistance, high temperature resistance, weather resistance and other characteristics to adapt to harsh outdoor conditions. environment.