LED室内照明产品的重大缺陷快速评估方法  

AN Efficiently assessment method of major defects for LED indoor lighting product

作　　者：蒋春旭[1] 王深[1] 许少辉[1] 徐华伟[1] 

机构地区：[1]工业和信息化部电子第五研究所,广东广州510610

出　　处：《照明工程学报》2013年第6期71-78,共8页China Illuminating Engineering Journal

摘　　要：本文介绍了LED室内照明产品寿命评价的试验方法,通过调研LED产品在实际应用过程中出现的失效情况,引出"重大缺陷"概念,提出LED室内照明产品的重大缺陷快速评估方法,总结试验结果,强调该试验方法在短时间内评估LED产品可靠性的针对性、有效性和重要性。This article introduces the life assessment method of LED indoor lighting products. And through investigating the LEDs＇ failure modes under normal application, presenting a conception of ＂major defects＂ and rapid assessment method of major defects for LED indoor lighting products. Base on the testing results, the article emphasizes the pertinence, effectiveness and importance of this method for evaluating LED products＇ reliability in short time.

关 键 词：寿命 光通维持率 失效率 浴盆曲线 失效分析 重大缺陷 LED 照明 

分 类 号：TM923.34[电气工程—电力电子与电力传动] TU113.8[建筑科学—建筑理论]