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. 30, 2021
Filed:
Jun. 19, 2019
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 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 reflective layer formed on the light-emitting semiconductor stack; a barrier layer formed on the reflective stack; a protection layer formed on the barrier layer, comprising a first through hole and a second through hole; a first height balancer filled in the first through hole and formed on the protection layer; a second height balancer filled in the second through hole and formed on the protection layer; and a conductive contact layer comprising a first conductive part formed on the first height balancer and a second conductive part formed on the second height balancer.