Shailesh, K R and Kurian, Ciji Pearl and Kini, Savitha G (2012) Solid State Lighting Reliability from Failure Mechanisms Perspective: A Review of Related Literature. International Journal of Semiconductor Science & Technology, 3 (1). pp. 43-50. ISSN 0975-6493

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Abstract

Remarkable long-life makes LED lighting systems a long-term investment, and great energy and maintenance savings easily give good reason for the higher initial cost. LEDs are similar in construction to microelectronics devices, but there are functional requirements, materials, and interfaces in LEDs that make their failure modes and mechanisms distinctive. Over the last few years, considerable effort has gone into the study of the failure mechanisms and reliability of Solid State lighting systems (SSL). Although still very incomplete, our knowledge of the reliability issues relevant to SSL is growing. This paper provides an overview of SSL failure modes and mechanisms that are commonly encountered. It focuses on the reliability issues of LED devices.

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