Why Does The Color Appearance Of LEDs Change After A Period Of Use

Writer：Jane Time：2021-06-17 Browse：196

Q: Why does the color appearance of LEDs change after a period of use?

      A: There may be several reasons for this:

1. The LEDs were overloaded due to the use of an inappropriate driver.

2. The application temperature is different from the operating temperature specified in the LED data sheet.

3. Improper thermal management may lead to heat accumulation.

4. Fluorescent body may degenerate due to overheating or other reasons.