一种新颖的白光LED荧光粉测量系统和分析方法(英文)

被引:2
作者
李莉
牟同升
机构
[1] 浙江大学光学仪器国家重点实验室
关键词
白光LED; 荧光粉; 光谱测量; 效率; 最佳匹配;
D O I
暂无
中图分类号
TP274 [数据处理、数据处理系统];
学科分类号
0804 ; 080401 ; 080402 ; 081002 ; 0835 ;
摘要
为获得高效率的白光LED,得到荧光粉和芯片的最佳匹配,本文提出了一种新颖的白光LED荧光粉测量系统和分析方法。该方法根据荧光粉测量原理,采用单色光激发荧光粉,获得荧光粉的激发光谱特性。由单波长激发的光谱组合可以得到荧光粉的三维光谱特性,荧光粉光谱与LED芯片光谱匹配可以模拟白光LED光谱。分析了荧光粉在单波长及光谱激发条件下的效率。实验结果表明,该测量系统和分析方法可以确定荧光粉和兰光LED芯片的最佳匹配,从而为获得高效率白光LED奠定了良好的基础。
引用
收藏
页码:73 / 77
页数:5
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