조명전기설비학회논문지 (Journal of the Korean Institute of Illuminating and Electrical Installation Engineers)

한국조명전기설비학회 (The Korean Institute of IIIuminating and Electrical Installation Engineers)
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LED조명기기의 필드 열화데이터에 대한 신뢰성 분석에 관한 연구

A Study on Reliability Analysis for Reliability Testing ＆ Field Degradation Data of LED Lighting

  • 투고 : 2011.10.26
  • 심사 : 2011.12.08
  • 발행 : 2011.12.30
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초록

LED lightings typically do not fail catastrophically during use. However, over time the light output will gradually depreciate. Even if there are same LED lighting, they are so different at all. because of dissimilar the use and environment of each LED lighting. In this paper, we make a description of reliability analysis procedures for the degradation data using collected field data. Reliability analysis procedures are consisted of estimating degradation models and failure time, verification of distribution and parameters of the distribution, and reliability measures estimation. At some point in time, the light emitted from an LED lightings depreciates to a level where it is no longer considered adequate for a specific application.

키워드

참고문헌

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피인용 문헌

  1. Thermal Characteristics of a Heat Sink with Helical Fin Structure for an LED Lighting Fixture vol.25, pp.6, 2014, https://doi.org/10.3807/KJOP.2014.25.6.311