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:
Sep. 22, 2009
Filed:
Feb. 02, 2005
Applicants:
Tatsuya Kunisato, Takatsuki, JP;
Ryoji Hiroyama, Kyo-tanabe, JP;
Masayuki Hata, Kadoma, JP;
Kiyoshi Oota, Neyagawa, JP;
Inventors:
Tatsuya Kunisato, Takatsuki, JP;
Ryoji Hiroyama, Kyo-tanabe, JP;
Masayuki Hata, Kadoma, JP;
Kiyoshi Oota, Neyagawa, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2006.01); H01L 31/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A nitride-based light-emitting device capable of suppressing reduction of the light output characteristic as well as reduction of the manufacturing yield is provided. This nitride-based light-emitting device comprises a conductive substrate at least containing a single type of metal and a single type of inorganic material having a lower linear expansion coefficient than the metal and a nitride-based semiconductor element layer bonded to the conductive substrate.