LED lamp bead failure is one of the most common display failures. The main manifestation is that the lamp bead does not turn on due to the failure of the LED chip, the direct damage caused by external forces such as bumps and impacts due to human factors, and due to force majeure such as moisture, water ingress, etc. The resulting lamp bead failures, etc. are common reasons that cause the lamp bead to not light up. Because of the commodity nature of electronic products, the frequency of use is high. Therefore, factors such as transportation, disassembly, and unfriendly use of the environment will cause the fragility of the lamp beads to be increased, so that the lamp does not turn on and becomes a major part of the display repair field. Than one of the highest faults.

 

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