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. 28, 2023
Filed:
Feb. 08, 2021
Epistar Corporation, Hsinchu, TW;
Chien-Fu Shen, Hsinchu, TW;
Chao-Hsing Chen, Hsinchu, TW;
Tsun-Kai Ko, Hsinchu, TW;
Schang-Jing Hon, Hsinchu, TW;
Sheng-Jie Hsu, Hsinchu, TW;
De-Shan Kuo, Hsinchu, TW;
Hsin-Ying Wang, Hsinchu, TW;
Chiu-Lin Yao, Hsinchu, TW;
Chien-Fu Huang, Hsinchu, TW;
Hsin-Mao Liu, Hsinchu, TW;
Chien-Kai Chung, Hsinchu, TW;
EPISTAR CORPORATION, Hsinchu, TW;
Abstract
A light-emitting device, includes a substrate with a top surface; a first light-emitting structure unit and a second light-emitting structure unit separately formed on the top surface and adjacent to each other, and wherein the first light-emitting structure unit includes a first sidewall and a second sidewall; a trench between the first and the second light-emitting structure units; and an electrical connection arranged on the first sidewall and the second light-emitting structure unit, and electrically connecting the first light-emitting structure unit and the second light-emitting structure unit; wherein the first sidewall connects to the top surface; wherein the first sidewall faces the second light-emitting structure units, and the second sidewall is not between the first light-emitting structure unit and the second light-emitting structure unit; and wherein the second sidewall is steeper than the first sidewall.