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:
Feb. 20, 2024
Filed:
Sep. 23, 2021
Xiamen San'an Optoelectronics Co., Ltd., Fujian, CN;
Renlong Yang, Fujian, CN;
Ping Zhang, Fujian, CN;
XIAMEN SAN'AN OPTOELECTRONICS CO., LTD., Fujian, CN;
Abstract
A light-emitting devise includes first and second type semiconductor layers, an active layer interposed therebetween, a current blocking layer disposed on the first type semiconductor layer and including a first strip portion, and a first electrode disposed on the current blocking layer and including a first electrode pad, a first electrode end portion distal from the first electrode pad, and a first electrode extension portion extending between the first electrode pad and the first electrode end portion. The first strip portion of the current blocking layer is located beneath the first electrode extension portion, and has a widened section having a width that gradually increases in a direction away from the first electrode pad.