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. 06, 2011
Filed:
Sep. 26, 2008
Taketoshi Tanaka, Kyoto, JP;
Kuniyoshi Okamoto, Kyoto, JP;
Taketoshi Tanaka, Kyoto, JP;
Kuniyoshi Okamoto, Kyoto, JP;
Rohm Co., Ltd., Kyoto, JP;
Abstract
A semiconductor light emitting device has a device body made of a group III nitride semiconductor having a major surface defined by a nonpolar plane. In the device body, a contact portion with an n-type electrode includes a crystal plane different from the major surface. For example, the contact portion may include a corrugated surface. More specifically, the contact portion may include a region having a plurality of protrusions parallel to a polar plane formed in a striped manner.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile