Busting Myths About LED Reliability
The marketing hype touting LEDs as having a useful lifetime of more than 100,000 h simply is not true. It is possible that an LED may function after 100,000 h, but it may not provide useful or usable light for that duration, and the application or fixture will have long ceased to function effectively.
Although there are many factors that determine how much light an LED can produce, when trying to understand the lifetime and reliability of an LED, two primary factors must be considered by...
Photonics Spectra, January 2008