一种新型的基于非成像光学的LED均匀照明系统

被引:44
作者
杨毅
钱可元
罗毅
机构
[1] 清华大学深圳研究生院半导体照明实验室
关键词
应用光学; 半导体照明; 非成像光学; 均匀照明系统;
D O I
10.13741/j.cnki.11-1879/o4.2007.01.030
中图分类号
TN312.8 [];
学科分类号
0803 ;
摘要
为解决发光二极管(LED)作为朗伯光源难以直接应用的问题,运用非成像光学设计方法,实现了一种新型的基于LED的均匀照明系统,它能够在一个特定位置的屏幕上形成一个具有特定尺寸的均匀圆形光斑。使用基于蒙特卡罗法的光线追迹软件对该光学系统进行模拟仿真,结果显示屏幕上光斑的均匀度优于85%,系统效率高于82%。
引用
收藏
页码:110 / 112+115 +115
页数:4
相关论文
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