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Most of LED auto lights are made up of several LED lights, due to long working hours of testing will lead to bad light among the LED lights. The following is the solution for the bad lights:
1: Is the LED chip size greater than 12*13ML?
Use chips greater than 12*13ML to ensure it not be burned
2: Is the operating temperature within 55℃?
LED chip will accelerate the decay of aging beyond 55℃. Therefore, it should be noted in the design of the relationship between current and temperature.
3: Whether LED chips are branded or not?
Select LED chips with good stability to ensure no leakage current with long working hours.
4: Is the package packed by formal automatic packaging factory?
The phenomenon of bad light has a close relationship with LED package, every aspect of the package is very important. The procedure of solid crystal, dispensing, wire and baking is the most important measures of anti-static.
5: Is the current of LED chip beyond 20mA?
Generally, the common wedge LED car lights can bear current between 16mA and 18mA, no more than 22mA, or will accelerate aging.
6: Whether the voltage of the LED chip is DC or not?
The voltage of the LED chip must be DC, otherwise, it will reverse breakdown, leading to bad light.
7: Does the production process of the LED lights make well measures for anti-static？
People often produce static electricity which can directly breakdown the LED chip, resulting bad light. You’d better to find a LED light manufacturer who owns a good anti-static.
8: The most critical step, is the LED light through aging testing when it is finished production?
LED car light also needs to continuous aging test for 24h after finishing production. Basically, it will not come up bad lights after the 24h aging test. It means that it will not produce defective product. Because this large amount of project, rare LED car light manufacturer insist on doing it. However, our Dingju LED car light insists on it all the way. In addition, we are special strict with the LED raw material.
