Light emitting device and method of manufacturing light emitting device and optical component used in the same
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United States of America Patent
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Jun 5, 2018
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N/A
app pub date -
Sep 21, 2016
filing date -
Dec 11, 2012
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Abstract
A light emitting device wherein discoloration of a reflective layer in an optical component can be prevented and a stable optical output power can be maintained, and a method of manufacturing an optical component used in the light emitting device. The optical component includes a supporting member defining a through-hole, a reflective layer formed on an inner wall defining the through-hole, a protective layer formed on the reflective layer, and a light transmissive member having a light incident surface, a light emitting surface, and an outer circumference side-surface, and disposed in the through hole. The light transmissive member is fixed in the through-hole with a joining portion where the outer circumference side-surface and the protective layer are joined, and an end portion at the light emitting side of the joining portion is covered with a second protective layer disposed continuously on the protective layer and the light transmissive member.
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