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:
Aug. 11, 2020
Filed:
Apr. 03, 2019
Epistar Corporation, Hsinchu, TW;
Cheng-Feng Yu, Hsinchu, TW;
Ching-Yuan Tsai, Hsinchu, TW;
Yao-Ru Chang, Hsinchu, TW;
Hsin-Chan Chung, Hsinchu, TW;
Shih-Chang Lee, Hsinchu, TW;
Wen-Luh Liao, Hsinchu, TW;
Cheng-Hsing Chiang, Hsinchu, TW;
Kuo-Feng Huang, Hsinchu, TW;
Hsu-Hsuan Teng, Hsinchu, TW;
Hung-Ta Cheng, Hsinchu, TW;
Yung-Fu Chang, Hsinchu, TW;
EPISTAR Corporation, Hsinchu, TW;
Abstract
A light-emitting device is provided. The light-emitting device comprises a substrate; an insulating layer on the substrate, wherein the insulating layer comprises a first hole; a light-emitting stack on the insulating layer and comprising an active region comprising a top surface, wherein the top surface comprises a first part and a second part; and an opaque layer covering the first part of the top surface and exposing the second part of the top surface, wherein the second part is directly above the first hole.