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:
Apr. 16, 2013
Filed:
Jun. 17, 2009
Hironao Shinohara, Ichihara, JP;
Hiromitsu Sakai, Chiba, JP;
Hironao Shinohara, Ichihara, JP;
Hiromitsu Sakai, Chiba, JP;
Toyoda Gosei Co., Ltd., Aichi, JP;
Abstract
A group III nitride semiconductor light emitting device including an LED structure formed on top of a single crystal, base layer () formed on top of a substrate () including a principal plane () having a flat surface () configured from a (0001) C plane, and a plurality of convex portions () including a surface () non-parallel to the C plane having a width (d) of 0.05 to 1.5 μm and height (H) of 0.05 to 1 μm, the base layer is formed by causing a group III nitride semiconductor to grow epitaxially so as to cover the flat surface and convex portions, and the width (d) of the convex portions and top portion thickness (H) of the base layer at the positions of the top portions () of the convex portions satisfy: H=kd(wherein 0.5<k<5, and H=0.5 μm or more).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile