Aspherical lens design for real light-emitting diode with flux compensation through angular flux mapping

Kuo Hao Liao, Ching Cherng Sun, Chi Shou Wu, Shih Kang Lin, Tsung Hsun Yang, Yeh Wei Yu

研究成果: 雜誌貢獻期刊論文同行評審

摘要

A design scheme for an aspherical lens including two step processes is proposed and demonstrated to direct appropriate flux to the expected target illumination. The first-step design is based on a point source and the surface geometry is determined. The flux deviation between the design and target illumination becomes the factor in the optimization process, and the angular flux compensation is done to adjust the light pattern. Finally, the experimental result shows that high similarity between the target and the measurement is observed and full width at half maximum angle error is within 3%, which are both better than those in the aspherical lens design based a point source and a real light-emitting diode without optimization by flux compensation.

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文章編號091505
期刊Optical Engineering
60
發行號9
DOIs
出版狀態已出版 - 1 9月 2021

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