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. 28, 2012
Filed:
Aug. 27, 2008
Applicants:
Hiroshi Osawa, Chiba, JP;
Naoki Fukunaga, Munakata, JP;
Hironao Shinohara, Ichihara, JP;
Inventors:
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a light-emitting device comprising an n-type semiconductor layer, a light-emitting layer, a p-type semiconductor layer and a titanium oxide-based conductive film layer laminated in this order, wherein the titanium oxide-based conductive film layer comprises a first layer as a light extraction layer and a second layer as a current diffusion layer, the second layer being arranged on the p-type semiconductor layer side of the first layer, a method of manufacturing a light-emitting device, and a lamp.