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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24h隧穿电流最小,绿光LED到6h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GaNLED的改进有一定参考价值.
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Source :
发光学报
ISSN: 1000-7032
Year: 2012
Issue: 1
Page: 93-96
Cited Count:
SCOPUS Cited Count: 2
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 13
Chinese Cited Count:
30 Days PV: 0
Affiliated Colleges: