According to the process of LED display surface processing, we can divide it into plug-in module, patch module, sub patch module, three in one paste module, and three abreast to one module.
Refers to the encapsulation of DIP lamp will light feet through the PCB board, the tin filled in the lamp hole welding, LED display module made by this process is plug lamp module; has the advantages of large angle, high brightness, good heat dissipation; the disadvantage is the small pixel density.
Surface mounted module
Surface mount is also called SMT, the encapsulation of SMT lamps by welding on the surface of the PCB plate, light feet not through the PCB board and the advantages are: wide view, display image soft, pixel density, suitable for indoor viewing; the disadvantage is that the brightness is not high enough, the radiating tube is not good enough
Sub surface mounted module
Is a product between DIP and SMT, the LED lamp package surface and SMT, but its positive and negative pins and DIP, production is through PCB welding, LED screen module has made this kind of process is: high brightness, good display effect, the shortcoming is: complex process maintenance difficulties.
Three in one SMD
Refers to R, G, B three different colors of LED chip packaged in the same colloid, the advantages are: simple production, display effect is good, the drawback is: split color separation difficult, high cost
Three abreast to one SMD
Refers to the R, G, B three independent packaging SMT lights in accordance with certain spacing perpendicular together, so that not only has three in one all the advantages, but also to solve the three in one of the shortcomings
As can be seen above, these 5 different LED screen modules have different advantages and disadvantages, so when you customize the LED display, you should choose according to the actual application and the scene.
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