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:
Sep. 25, 2018
Filed:
Mar. 23, 2017
Epistar Corporation, Hsinchu, TW;
Chun-Yu Lin, Hsinchu, TW;
Yi-Ming Chen, Hsinchu, TW;
Shih-Chang Lee, Hsinchu, TW;
Yao-Ning Chan, Hsinchu, TW;
Tzu-Chieh Hsu, Hsinchu, TW;
EPISTAR CORPORATION, Hsinchu, TW;
Abstract
The present disclosure provides an optoelectronic device comprising a semiconductor stack comprising a first side having a first length; a first contact layer on the semiconductor stack; and a second contact layer on the semiconductor stack opposite to the first contact layer, wherein the second contact layer is not overlapped with the first contact layer in a vertical direction; and wherein the second contact layer comprises multiple contact regions separated from each other and arranged in a two-dimensional array, wherein a first distance between the two adjacent contact regions is between 0.8% and 8% of the first length.