光子晶体发光二极管

被引:4
作者
苏萍
许振丰
顾华荣
曹良才
何庆声
金国藩
机构
[1] 清华大学精密测试技术与仪器国家重点实验室
关键词
导波光学(光纤和集成光学); 光子晶体; 发光二极管; 光子禁带; 光栅;
D O I
10.13741/j.cnki.11-1879/o4.2007.04.007
中图分类号
TN312.8 [];
学科分类号
0803 ;
摘要
利用光子晶体的光子禁带和光栅衍射效应可以提高LED的出光效率,扩大LED的应用范围。总结了光子晶体发光二极管的原理和典型器件。通过比较表明,与光子禁带效应相比,利用光栅衍射效应提高LED出光效率的方法更适用于电注入发光。因此可望用更廉价的方法在LED表面制造光子晶体,可通过光栅衍射效应来有效地提高其出光效率。
引用
收藏
页码:505 / 509
页数:5
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