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:
Feb. 12, 2019
Filed:
Sep. 20, 2017
Epistar Corporation, Hsinchu, TW;
Chun-Yu Lin, Hsinchu, TW;
Yung-Fu Chang, Hsinchu, TW;
Rong-Ren Lee, Hsinchu, TW;
Kuo-Feng Huang, Hsinchu, TW;
Cheng-Long Yeh, Hsinchu, TW;
Yi-Ching Lee, Hsinchu, TW;
Ming-Siang Huang, Hsinchu, TW;
Ming-Tzung Liou, Hsinchu, TW;
Epistar Corporation, Hsinchu, TW;
Abstract
The present disclosure is related to an optoelectronic device comprising a semiconductor stack comprising a first surface and a second surface opposite to the first surface; a first contact layer on the first surface; and a second contact layer on the second surface, wherein the second contact layer is not overlapped with the first contact layer in a vertical direction; wherein the second contact layer comprises a plurality of dots separating from each other and formed of semiconductor material.