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:
Nov. 01, 2022
Filed:
Dec. 18, 2020
Sony Corporation, Tokyo, JP;
Susumu Sato, Kanagawa, JP;
Tatsushi Hamaguchi, Kanagawa, JP;
Shoichiro Izumi, Kanagawa, JP;
Noriyuki Futagawa, Kanagawa, JP;
Masamichi Ito, Miyagi, JP;
Jugo Mitomo, Kanagawa, JP;
Hiroshi Nakajima, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A light-emitting element includes: a laminated structure bodywhich is formed from a GaN-based compound semiconductor and in which a first compound semiconductor layerincluding a first surfaceand a second surfacethat is opposed to the first surface, an active layerthat faces the second surfaceof the first compound semiconductor layer, and a second compound semiconductor layerincluding a first surfacethat faces the active layerand a second surfacethat is opposed to the first surfaceare laminated; a first light reflection layerthat is provided on the first surfaceside of the first compound semiconductor layer; and a second light reflection layerthat is provided on the second surfaceside of the second compound semiconductor layer. The first light reflection layerincludes a concave mirror portion, and the second light reflection layerhas a flat shape.