High illumination efficiency linear light source using light emitting diodes

被引:2
作者
Feng, Di [1 ]
Yoo, Jaehwan [1 ]
Nagatani, Kaname [1 ]
Kim, Wookyu [1 ]
Kim, HyeongChae [1 ]
机构
[1] Samsung Elect Co Ltd, Digital Media Business, Suwon 443742, Gyeonggi Do, South Korea
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2007年 / 46卷 / 02期
关键词
linear light source; light diffusion bar; light emitting diode;
D O I
10.1143/JJAP.46.563
中图分类号
O59 [应用物理学];
学科分类号
摘要
We propose a linear light Source using light emitting diode (LED) and a light diffusion bar for linear illumination. In order to get high illumination efficiency, the following factors of the illumination system have been investigated: (I) the effect of the diffusion area, (2) the effect of the relative size of LED and the light diffusion bar. In conclusion, a bigger diffusion size will produce higher emitting efficiency, mid a small relative size of emitting surface of LED and cross section of the light diffusion bar will also achieve higher emitting.
引用
收藏
页码:563 / 565
页数:3
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