Prognostication of LED remaining useful life and color stability in the presence of contamination

@article{Lall2015PrognosticationOL,
  title={Prognostication of LED remaining useful life and color stability in the presence of contamination},
  author={Pradeep Lall and Hao Zhang and Lynn Davis},
  journal={2015 IEEE Conference on Prognostics and Health Management (PHM)},
  year={2015},
  pages={1-8}
}
The reliability of LED products may be affected by both luminous flux drop and color shift. Previous research on the topic focuses on either luminous maintenance or color shift. However, luminous flux degradation usually takes very long time to observe in LEDs under normal operating conditions. In this paper, the impact of a VOC (volatile organic compound) contaminated luminous flux and color stability are examined. As a result, both luminous degradation and color shift had been recorded in a… CONTINUE READING

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