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:
Nov. 27, 2012
Filed:
Nov. 30, 2010
Applicant:
Katsuyoshi Nakayama, Tokyo, JP;
Inventor:
Katsuyoshi Nakayama, Tokyo, JP;
Assignee:
Asahi Glass Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
To provide a light-emitting device mounting a light-emitting element having a metal film on the rear side surface, which is excellent in light extraction efficiency since it has high heat dissipating properties and high light reflection efficiency, and which can suppress the reduction of light extraction efficiency due to the deterioration with time. A light-emitting device which comprises: