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:
Dec. 23, 2014
Filed:
Jan. 29, 2013
Hironao Shinohara, Ichihara, JP;
Kensuke Hirano, Ichihara, JP;
Hironao Shinohara, Ichihara, JP;
Kensuke Hirano, Ichihara, JP;
Toyoda Gosei Co., Ltd., Aichi, JP;
Abstract
In a semiconductor light emitting element having a sapphire substrate, and a lower semiconductor layer and an upper semiconductor layer laminated on the sapphire substrate, the sapphire substrate includes a substrate top surface, a substrate bottom surface, first substrate side surfaces and second substrate side surfaces; plural first cutouts and plural second cutouts are provided at border portions between the first substrate side surface and the substrate top surface and between the second substrate side surface and the substrate top surface; the lower semiconductor layer includes a lower semiconductor bottom surface, a lower semiconductor top surface, first lower semiconductor side surfaces and second lower semiconductor side surfaces; plural first projecting portions and plural first depressing portions are provided on the first lower semiconductor side surface; and plural second protruding portions and second flat portions are provided on the second lower semiconductor side surface.