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:
May. 09, 2006
Filed:
Dec. 22, 2003
Applicant:
Takaki Yasuda, Chiba, JP;
Inventor:
Takaki Yasuda, Chiba, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor light-emitting device has a substrate (), a semiconductor layer () and a light-emitting layer (), and the substrate is furnished on the surface thereof underlying the semiconductor layer with an irregular construction possessing inclined lateral surfaces forming an angle θ to the substrate in the range of 30°<θ<60°, to provide a light-emitting device enhanced in the effect of fetching light.
Yasuda, Takaki. (2006). Light-emitting device, method of fabricating the device, and led lamp using the device (U.S. Patent No. 7042150). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7042150
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