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