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Author:

崔德胜 (崔德胜.) | 郭伟玲 (郭伟玲.) | 崔碧峰 (崔碧峰.) | 丁艳 (丁艳.) | 闫薇薇 (闫薇薇.) | 吴国庆 (吴国庆.)

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CQVIP PKU CSCD

Abstract:

对InGaN/GaN多量子阱蓝光和绿光LED进行了室温900 mA电流下的电应力老化,发现蓝光LED老化到24 h隧穿电流最小,绿光LED到6 h隧穿电流最小;同时,两种LED的反向漏电也最小、光通量最大,随后绿光LED的反向漏电增加较快且光通量衰减较快。把热退火效应和电应力下缺陷的产生分别看成正负加速因子,绿光LED的负加速因子的增加速度比蓝光LED大,衰减较快。该结果对GaN LED的改进有一定参考价值。

Keyword:

I-V特性 光通量 氮化镓 发光二极管 电应力

Author Community:

  • [ 1 ] 北京工业大学光电子技术省部共建教育部重点实验室

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Source :

发光学报

Year: 2012

Issue: 01

Volume: 33

Page: 93-96

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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