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:
Apr. 08, 2014
Filed:
Aug. 11, 2011
Chien-yuan Wang, Hsinchu, TW;
Shih-chiang Yeh, Taoyuan County, TW;
Shi-Liang Yeh, Hsinchu, TW;
Chien-Yuan Wang, Hsinchu, TW;
Epistar Corporation, Hsinchu, TW;
Abstract
An optoelectronic semiconductor device including: a substrate; a semiconductor system having an active layer formed on the substrate; and an electrode structure formed on the semiconductor system, wherein the electrode structure includes: a first conductivity type bonding pad; a second conductivity type bonding pad; a first conductivity type extension electrode; and a second conductivity type extension electrode, wherein the first conductivity type extension electrode and the second conductivity type extension electrode form a three-dimensional crossover; wherein the first conductivity type extension electrode and the second conductivity type extension electrode are on the opposite sides of the active layer.