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表面为二维光子晶体结构的AlGaInP系发光二极管的研究
Authors
汤益丹
沈光地
+4 more
郑婉华
陈依新
陈微
陈良惠
Publication date
1 January 2010
Publisher
Abstract
近年来, GaN基光子晶体发光二极管(light emitting diode,LED)的研究已经取得了一定的进展,利用光子晶体的光子带隙效应和光栅衍射原理,在LED上制作光子晶体结构将会提高出光效率.本文为了提高AlGaInP系LED的光提取效率,分析了常规LED光提取效率受到限制的原因,将光子晶体结构引入了AlGaInP系LED的器件结构设计,通过理论分析与实验验证,结果显示:光子晶体结构对于提高AlGaInP系LED的光提取效率同样起到了明显的效果,引入光子晶体后,LED的输出光强比常规结构LED平均提高了16
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Last time updated on 17/10/2017