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:
Aug. 08, 2017
Filed:
Oct. 01, 2014
Applicant:
Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;
Inventors:
Masahiro Konishi, Osaka, JP;
Hiroyuki Nokubo, Osaka, JP;
Shin Itoh, Osaka, JP;
Takashi Nakanishi, Osaka, JP;
Ippei Yamaguchi, Osaka, JP;
Yuhsuke Fujita, Osaka, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 33/64 (2010.01); H01L 33/60 (2010.01); H01L 33/62 (2010.01); H05K 1/02 (2006.01); H01L 25/075 (2006.01); H05K 1/05 (2006.01); H05K 3/00 (2006.01); H05K 3/04 (2006.01); H05K 3/20 (2006.01); H05K 3/28 (2006.01);
U.S. Cl.
CPC ...
H01L 33/641 (2013.01); H01L 33/60 (2013.01); H01L 33/62 (2013.01); H05K 1/0203 (2013.01); H05K 1/0274 (2013.01); H01L 25/0753 (2013.01); H01L 2924/0002 (2013.01); H01L 2933/0058 (2013.01); H01L 2933/0066 (2013.01); H01L 2933/0075 (2013.01); H05K 1/053 (2013.01); H05K 3/0061 (2013.01); H05K 3/045 (2013.01); H05K 3/202 (2013.01); H05K 3/28 (2013.01); H05K 2201/10106 (2013.01); H05K 2201/2054 (2013.01);
Abstract
A light emitting device achieving a high heat dissipation effect and a high light utilization efficiency includes an aluminum substrate, a high heat dissipation ceramic layer on the aluminum substrate, an etching frame on the high heat dissipation ceramic layer, and a highly reflective ceramic layer on the high heat dissipation ceramic layer and the etching frame.