The measurement of luminous flux for single LEDs

被引:0
|
作者
Li, Tiecheng [1 ]
Zhu, Jiangang [1 ]
Ji, Muyao [1 ]
Lin, Fangsheng [1 ]
Huang, Biyong [1 ]
Lai, Lei [1 ]
Shi, Leibing [1 ]
Xia, Ming [1 ]
机构
[1] Shanghai Inst Measurement & Testing Technol, Div Elect & Opt Measurement Technol, Shanghai 201203, Peoples R China
关键词
total luminous flux; single LEDs; integrating sphere; measurement geometry; INTEGRATING SPHERE SIMULATION;
D O I
10.1117/12.2295606
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The total luminous flux is one of the most important characteristics of a LED. According to the CIE standard, the luminous flux for LEDs can be measured by an integrating sphere equipped with a spectroradiometer. The luminous flux of LEDs has been measured in the 4 pi geometry, which is suitable for LEDs with different luminous intensity distributions. The results between NIM and SIMT validate our calibration ability. The experiments indicate that the standard LEDs and the measurement repeatability play important roles in the uncertainty analysis.
引用
收藏
页数:6
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