What are the factors that effect the light attenuation or light failure of LEDs?

There are 3 main factors:

• What type of LEDs used.
• The working temperature of LEDs.
• The working electric parameter design of LEDs.

Our company uses good LED chips and has designed good light housing to dissipate heat to minimize the light attenuaion and then to make sure the long life span of our LED street lights and other LED lighting products.