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. 01, 2015
Filed:
Aug. 12, 2014
Panasonic Corporation, Osaka, JP;
Shinji Yoshida, Shiga, JP;
Atsunori Mochida, Osaka, JP;
Abstract
A nitride semiconductor light-emitting element includes a layered semiconductor body which is made of a group III nitride semiconductor, and includes a light-emitting facet, and a multilayer protective film which is formed to cover the light-emitting facet of the layered semiconductor body, and includes a plurality of insulating films. The multilayer protective film includes a first protective film and a second protective film covering the first protective film. The first protective film is a crystalline film which is made of nitride containing aluminum, and is at least partially crystallized. The second protective film is a crystalline film which is made of oxide containing aluminum, and is at least partially crystallized.