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:
Jun. 11, 2019
Filed:
Aug. 11, 2017
Epistar Corporation, Hsinchu, TW;
Chen Ou, Hsinchu, TW;
Chun-Wei Chang, Hsinchu, TW;
Chih-Wei Wu, Hsinchu, TW;
Sheng-Chih Wang, Hsinchu, TW;
Hsin-Mei Tsai, Hsinchu, TW;
Chia-Chen Tsai, Hsinchu, TW;
Chuan-Cheng Chang, Hsinchu, TW;
EPISTAR CORPORATION, Hsinchu, TW;
Abstract
A light-emitting device includes a first semiconductor layer; a first, a second and a third light-emitting structures formed on the same first semiconductor layer; a first trench between the first and the second light-emitting structures; a second trench between the second and the third light-emitting structures, wherein the first and the second trenches include bottom portions exposing a surface of the first semiconductor layer; a third trench in one of the light-emitting structures, exposing the first semiconductor layer and extending along a direction parallel with the first semiconductor layer; an insulating bridge part in the first and the second trenches, connecting the light-emitting structures; a first electrode in the third trench, electrically connecting to the first semiconductor layer; and a second electrode, including a pad on one of the light-emitting structures and an extending part; wherein the extending part is formed on the insulating bridge part and extends to the light-emitting structures.