LED球泡灯光衰激活能评估方法

doi:10.3969/j.issn.1000-1565.2023.06.004LED

河北大学学报(自然科学版) ›› 2023, Vol. 43 ›› Issue (6): 589-594.DOI: 10.3969/j.issn.1000-1565.2023.06.004LED

LED球泡灯光衰激活能评估方法

武德起^1,2,武夷平²,楚晓杏²

收稿日期:2022-12-09 出版日期:2023-11-25 发布日期:2023-12-15
作者简介:武德起(1969—),男,山东冠县人,中国科学院微电子研究所副研究员,主要从事光学探测、传感器技术及物联网应用等方向研究.E-mail:deqi2000@126.com; wudeqi@ime.ac.cn
基金资助:
中国科学院院方向性项目(2A2011YYYJ-1123);河南省科技攻关项目(232102210157)

Evaluation methods of luminous-flux-attenuation activation energy for LED bulb lamp

WU Deqi^1,2,WU Yiping²,CHU Xiaoxing²

1.Institute of Microelectrics, Chinese Academy of Sciences, Beijing 100029, China; 2.Industrial Technology Research Institute, Henan Mechanical and Electrical Vocational College, Zhengzhou 451191, China

Received:2022-12-09 Online:2023-11-25 Published:2023-12-15

摘要/Abstract

摘要： 通过对BPZ 220/5 W JA55型阳光球泡灯进行额定功率下40 ℃和60 ℃温度应力加速寿命实验,分析了该款LED球泡灯的失效机理.通过推导激活能计算公式,建立了计算光衰激活能的理论模型,给出了测试LED球泡灯光衰激活能方法.通过实验测定该款球泡灯的光衰激活能数值为0.67 eV.

关键词: 激活能, LED球泡灯, 加速寿命测试, 光衰, 评估方法

Abstract: Under the rated power, temperature stress accelerated life test of BPZ 220/5 W JA55 bulb lamp was performed under thermal stress of 40 ℃ and 60 ℃ respectively, and the failure mechanism of the LED bulb samples was analyzed. A method to evaluate luminous-flux-attenuation activation energy value for LED bulb lamps was proposed, and a theoretical model to calculate luminous-flux-attenuation activation energy value was established in this paper. Thereby, the luminous-flux attenuation activation energy value of 0.67 eV was determined based on the above mentioned theory.

Key words: activation energy, LED bulb lamp, accelerated life test, luminous-flux attenuation, evaluation methods

中图分类号:

TN312.8

武德起,武夷平,楚晓杏. LED球泡灯光衰激活能评估方法[J]. 河北大学学报(自然科学版), 2023, 43(6): 589-594.

WU Deqi,WU Yiping,CHU Xiaoxing. Evaluation methods of luminous-flux-attenuation activation energy for LED bulb lamp[J]. Journal of Hebei University(Natural Science Edition), 2023, 43(6): 589-594.

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LED球泡灯光衰激活能评估方法

Evaluation methods of luminous-flux-attenuation activation energy for LED bulb lamp

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