FLOURESCENCE-EMITTING LIGHT SOURCE UNIT
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United States of America Patent
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app pub date -
Aug 7, 2015
filing date -
Feb 8, 2013
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Abandoned
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Abstract
A fluorescence-emitting light source unit includes: a wavelength conversion member including a front surface as a light receiving surface to receive excitation light, a phosphor, and a rear surface; and a light reflection surface provided on an outer side of the rear surface. The front surface is provided with a front side cyclic structure. The phosphor is configured to convert the excitation light received in the light receiving surface to fluorescence and to emit the fluorescence. The rear surface is provided with a rear side cyclic structure.
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