白光LED固态照明光转换荧光体

刘行仁

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白光LED固态照明光转换荧光体

论文 | 更新时间：2020-08-11

- 白光LED固态照明光转换荧光体
- Phosphors for White LED Solid State Lighting
- 发光学报 2007年28卷第3期页码：291-301
- 作者机构：
  
  中国科学院, 长春光学精密机械与物理研究所
- 作者简介：
- 基金信息：
  
  国家“863”计划(715-0030060,2006AA03A138)();国家自然科学基金(9574053,19774056,59272083,59782004)()
- DOI：
  中图分类号： O482;O482.31
- 收稿：2007-01-04，
  
  修回：2007-3-29，
  
  纸质出版：2007-05-20
- 稿件说明：
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刘行仁. 白光LED固态照明光转换荧光体[J]. 发光学报, 2007,28(3): 291-301

LIU Xing-ren. Phosphors for White LED Solid State Lighting[J]. Chinese Journal of Luminescence, 2007,28(3): 291-301
刘行仁. 白光LED固态照明光转换荧光体[J]. 发光学报, 2007,28(3): 291-301 DOI：

LIU Xing-ren. Phosphors for White LED Solid State Lighting[J]. Chinese Journal of Luminescence, 2007,28(3): 291-301 DOI：

摘要

报道了当前热点固态照明白光LED对所用光转换荧光体的特殊要求

从发光学和晶场理论出发

提出研发白光LED用荧光体的几种方案和原则.依据多年成果

特别阐述在稀土铝镓石榴石体系

氯硅酸钙及某些钨钼酸盐中

、Pr

、Tb

、Eu

及Mn

离子的发光特性

能量传递

的特征“阶梯状”光谱以及激活剂在晶体中所占据不同晶体学格位与发光性质的关联性.这些材料都可用于白光LED之中.实践证明

这些基础性研究和原理是研制白光LED用荧光体的基础.光转换荧光体与InGaN蓝光芯片结合可以获得符合严格标准的全色温(2700~8000K)的高显色性白光LED光源.白光LED及InGaN蓝光LED的光电性能与正向电流

密切相关

器件散热极为重要.提出的在不同

下

LED的相关色温差(ρ

)可用来表征LED色温变化幅度及稳定性.

Abstract

关键词

Keywords

references

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