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. 02, 2021
Filed:
Jun. 04, 2020
Epistar Corporation, Hsinchu, TW;
EPISTAR CORPORATION, Hsinchu, TW;
Abstract
An optoelectronic device includes a semiconductor stack; a current blocking region, including a first pad portion formed on the semiconductor stack and wherein the current blocking region includes insulated material; a first opening, formed in the first pad portion, exposing a top surface of the semiconductor stack; a transparent conductive layer, formed on the current blocking region and/or the top surface of the semiconductor stack, including a second opening exposing the first opening; and a first electrode, formed on the transparent conductive layer and including a first pad electrode formed on the first pad portion of the current blocking region and electrically connecting to the semiconductor stack through the first opening; wherein in a top view, the first opening and the second opening have different shapes.