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Reliability of light source modeling for distribution design on compact LED
Dong L.; Liu H.; Wang Y.; Sun Q.; Liu Y.; Xin D.; Jing L.
2014
发表期刊Guangzi Xuebao/Acta Photonica Sinica
ISSNISBN/10044213
卷号43期号:2
摘要To overcome disadvantages of modeling application and uncertainties of the reliabilities of the existing LED light source model and others, the reliability of light source modeling was studied for distribution design on compact LED. By optimizing different models with different lens and LED diameters ratio, the difference of three modeling methods including point light source model, surface light source model and ray-file light source model in the system was compared and analyzed. Taking the ray-file light model as the standard, an optimal design and analysis computation of the optical element were carried out when the beam angle was 15, 10, 5 for different lens and LED diameter ratio, by choosing the conventional compact total-reflection lens as the second optical element and using three modeling methods including point light source model, surface light source model and ray-file light source model. Experimental results indicate that surface light model can take place of the ray-file light model when the deviation of utilization of energy is within 2%, the beam angle is 15 meanwhile lens and LED diameter ratio is more than 36:2. It happens too when the beam angle is 10 while the lens and LED diameter is 44:2. In the case that the beam angle is 5, and the lens and LED diameter ratio is 82:2, the ray-file light source model can also be taked place by the surface light source model. However, the ray-file light source model cannot be replaced by the point light source model in any case when the deviation range falls into 2%. The results provide basis for the system design and solve the problem of time wasting of assisting optimal design by using ray light source model, which will be of great benefit to the future research.
收录类别EI
语种中文
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/44328
专题中科院长春光机所知识产出
推荐引用方式
GB/T 7714
Dong L.,Liu H.,Wang Y.,et al. Reliability of light source modeling for distribution design on compact LED[J]. Guangzi Xuebao/Acta Photonica Sinica,2014,43(2).
APA Dong L..,Liu H..,Wang Y..,Sun Q..,Liu Y..,...&Jing L..(2014).Reliability of light source modeling for distribution design on compact LED.Guangzi Xuebao/Acta Photonica Sinica,43(2).
MLA Dong L.,et al."Reliability of light source modeling for distribution design on compact LED".Guangzi Xuebao/Acta Photonica Sinica 43.2(2014).
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