Reasons for color cast phenomenon of indoor full-color LED display module

Jun 27, 2021

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I can see the colors and patterns between the modules on the side of the indoor full-color LED display module, and the display colors are inconsistent. What's the matter? The following is an analysis of the color causes of the indoor full-color LED display module. Only when the problem is clear can these problems be better solved.

Indoor full color LED display


1. Indoor full-color LED display and other issues: (wafer parameter inconsistency, adhesive material defective packaging, fixed position error, color separation error, etc.) Affect the luminous wavelength, brightness and brightness of the same batch of indoor full-color LED display angle. Therefore, there is a very important process in the production of indoor full-color LED displays-hybrid lights. Evenly mix all the indoor full-color LED displays of the same color, and then insert them into the printed circuit board. The advantage of this is that it can avoid the partial deviation of the indoor full-color LED display module.


2. Production process: After the indoor full-color LED display module is soldered, the position of the LED is fixed and cannot be moved. However, many companies do not have the protection conditions, and there are often conflicts during testing, maintenance, welding color matching, aging, and moving, such as touching indoor full-color LED displays. Then, the so-called full array is performed in front of the plastic. The lights on the indoor full-color LED display are irregularly distorted, and the color of the module is easy to change.


3. Power supply problem: It is impossible to estimate the materials selected when designing indoor full-color LED display (including the selection and use of power supply), and the power supply system has problems, resulting in uneven power supply for the LED modules.


4. Control system and control integrated circuit: Because indoor full-color LED display manufacturers do not have the design, development, testing and production capabilities of LED display control systems and control integrated circuits. Of course, the produced display cannot be guaranteed, and various parameters can be adjusted.


Therefore, if the color of the LED lamp and the LED display module are separated during the production process, the module can only be repaired or replaced. If there is a power supply problem, replace the power supply. If it is a control system and integrated circuit problem, the manufacturer can only be required to maintain or solve it.


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