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:
Oct. 21, 2025
Filed:
Nov. 06, 2020
Sony Semiconductor Solutions Corporation, Kanagawa, JP;
SONY SEMICONDUCTOR SOLUTIONS CORPORATION, Kanagawa, JP;
Abstract
Provided is a light-emitting device that includes a light emission section, a separation groove, and a high reflectance region. The light emission section includes a stack structure including an active layer, a first reflector, and a second reflector. The active layer performs light emission by current injection. The first reflector and the second reflector are stacked in a first direction with the active layer interposed therebetween. The separation groove is provided symmetrically around the light emission section on an emission surface of light from the stack structure in the first direction. The separation groove is dug in the stack structure in the first direction. The high resistance region is provided in the stack structure on the outer side of an outermost shape of the separation groove on the emission surface. The high resistance region has electrical resistance higher than that of the light emission section.