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芯片老化测试ichaiyang 2024-05-10 6:55 41
Hello, led aging test method: When the LED application factory gets the sample provided by the LED packaging factory, it is divided into three parts for screening test:①. Initial p...

led lamp bead aging judgment?

Hello, led aging test method: When the LED application factory gets the sample provided by the LED packaging factory, it is divided into three parts for screening test:

①. Initial photoelectric parameter test of LED particles, including photoelectric parameters under different parameters, chip size, etc.;

②. Rapid aging test at room temperature and 1.5 times current;

③.85℃, nominal current rapid aging test.


Lamp beads yellow is already aging