Why does the full -color LED display appear color difference?led screen wholesale

　　The current outdoor full -color LED display can deal with the influential summer, cold winter, sandstorms, terrible thunderstorms, and other harsh outdoor environments. change. But why are there a lot of full -color LED display?

　　It is worth noting that the brightness of the full -color LED display is inconsistent, which is the root cause of the flower screen. It cannot be corrected by later correction equipment. So buy a screen with inconsistent brightness, please contact your service provider or manufacturer to solve it.

　　Driving components are generally constant -current driving chips, such as MBL5026. These chips contain 16 constant current drive outputs. The current output value can be set with a resistance. The error of each output of the same chip is controlled within 3%, and the output error of different chips is controlled within 6%.

　　The brightness error of 25%of the pixels of the full -color LED display is normal. If the LED luminous pipe used is not the same grade and type of products, the brightness error will be raised to more than 40%.

　　The light emitting element is the LED luminous pipe, which is inevitable in the production process. The countermeasures adopted by the full -color LED display manufacturer are to divide the gear after the production is completed. The smaller the brightness difference between the two adjacent gear, the better the consistency is, but the lower the phenomenon of the low finished product rate and the high inventory, the serious Essence Therefore, the manufacturers of each manufacturer control the brightness difference between the two adjacent gear to about 20%.

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