An On-Board Life Estimation Technique for Lights Using High Power White LEDs

Ruknudeen, Fazludeen; Gervasis, Shinu; Viswambharan, Vivek; Asokan, S.

doi:10.1109/jdt.2016.2553079

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High Power White Leds and Thermal Issues1

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Cited by 4 publications

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“…The LED failure cases are mostly temperature related. The junction temperature of LEDs is primarily influenced by following three parameters; LEDs ambient temperature, thermal path between the ambient environment and LED junction, and power dissipated by LED [118].…”

Section: High Power White Leds and Thermal Issuesmentioning

confidence: 99%

An Emerging White LED Technology and associated Thermal Issues – A Review

Rahman¹,

Raza

Saeed³

et al. 2019

Journal of Applied and Emerging Sciences

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White light emitting diodes (white-LEDs) are the promising light sources of new lighting technology due to their high efficiency, energy saving, long life and environmentally friendly. In this review, different techniques proposed for the development of white-LEDs have been discussed in terms of their performance efficiency and potential usage. The Phosphor based white-LEDs are widely used LEDs, as compared to RGB based white-LEDs, due to their luminous efficacy, service life, display color gamut and the color rendering. Furthermore, thermal issues related to high power white-LEDs have been discussed as it greatly impacts the performance efficiency. To resolve thermal issues, heat sinks having high thermal conductivity are most widely used among others.

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Section: High Power White Leds and Thermal Issuesmentioning

confidence: 99%