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. 06, 2019
Filed:
Sep. 28, 2016
Epistar Corporation, Hsinchu, TW;
Schang-Jing Hon, Hsinchu, TW;
Chao-Hsing Chen, Hsinchu, TW;
Tsun-Kai Ko, Hsinchu, TW;
Chien-Fu Shen, Hsinchu, TW;
Jia-Kuen Wang, Hsinchu, TW;
Hung-Che Chen, Hsinchu, TW;
EPISTAR CORPORATION, Hsinchu, TW;
Abstract
A light-emitting element comprises a substrate; a light-emitting semiconductor stack on the substrate, the light-emitting semiconductor stack comprising a first semiconductor layer, a second semiconductor layer on the first semiconductor layer, and a light-emitting layer between the first semiconductor layer and the second semiconductor layer; a first electrode on the first semiconductor layer; a reflective layer formed on the light-emitting semiconductor stack; a protection layer formed on the light-emitting semiconductor stack; and a conductive contact layer formed on the light-emitting semiconductor stack, wherein each layer above the substrate comprises a side surface inclined to a top surface of the substrate.