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:
Mar. 29, 2016
Filed:
Jan. 08, 2014
Epistar Corporation, Hsinchu, TW;
Hong-Che Chen, Hsinchu, TW;
Chien-Fu Shen, Hsinchu, TW;
Chao-Hsing Chen, Hsinchu, TW;
Yu-Chen Yang, Hsinchu, TW;
Jia-Kuen Wang, Hsinchu, TW;
Chih-Nan Lin, Hsinchu, TW;
EPISTAR CORPORATION, Hsinchu, TW;
Abstract
A light-emitting device comprises: a light-emitting semiconductor stack comprising a recess and a mesa, wherein the recess comprises a bottom and the mesa comprises an upper surface; a first insulating layer in the recess and on a part of the upper surface of the mesa; and a first electrode comprising a first layer and a second layer, wherein the first layer comprises a first conductive material and is on another part of the upper surface of the mesa, and the second layer comprises a second conductive material and is on the first layer.