A detailed discussion of failure, lifetime and reliability as they relate to LED-based products.
Long life has been billed as a key advantage of LEDs, but understanding and communicating how LED products fail and how long they last can be challenging. While LED-based products hold the potential to achieve lifetimes that meet or exceed their traditional counterparts, manufacturer claims can be misconstrued by users who do not fully understand LED product failure mechanisms or the difference between lifetime and reliability.
Published by the U.S. Department of Energy, August 2013.
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