The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 23, 2021
Filed:
May. 29, 2018
Applicant:
Nippon Electric Glass Co., Ltd., Otsu, JP;
Inventor:
Tadahito Furuyama, Otsu, JP;
Assignee:
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/50 (2010.01); F21V 29/502 (2015.01); G02B 5/26 (2006.01); G02B 26/00 (2006.01); G03B 21/16 (2006.01);
U.S. Cl.
CPC ...
H01L 33/501 (2013.01); F21V 29/502 (2015.01); G02B 5/26 (2013.01); G02B 26/008 (2013.01); G03B 21/16 (2013.01);
Abstract
Provided is a wavelength conversion member capable of suppressing excessive heating of a phosphor layer and a light emitting device using the same. The wavelength conversion memberincludes: a heat dissipation substrate; a phosphor layerprovided on the heat dissipation substrate; and a bonding material layerprovided between the heat dissipation substrateand the phosphor layer, wherein the bonding material layerincludes a thermally conductive porous bodyand a bonding materialand the thermally conductive porous bodyis impregnated with the bonding material