Spectral analysis of angular color uniformity in a white LED based on a yellow phosphor

Donghun Mun, Hyemin Park,Dae-Chan Kim,Beom-Hoan O,Se-Geun Park,El-Hang Lee,Seung Gol Lee,Sunga Choi, Seokchan Hong

Renewable Energy and the Environment Optics and Photonics Congress (2012), paper JM5A.25（2012）

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摘要

The color ring phenomenon observed at a white LED with a beam-spreading optics was numerically treated by angular spectrum analysis, and could be explained with the incoincidence of emission points of blue and yellow lights.

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关键词

spectrum analysis,light emitting diodes,color measurement

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