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:
Jul. 26, 2022
Filed:
Jul. 20, 2020
Samsung Display Co., Ltd., Yongin-si, KR;
Hong Beom Lee, Hwaseong-si, KR;
Chang Woo Kwon, Seoul, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A method of fabricating a thin-film transistor (TFT) array substrate including forming a gate electrode on a substrate, forming a gate insulating layer on the gate electrode, forming a semiconductor layer on the gate insulating layer, forming an ohmic contact layer on the semiconductor layer, and forming a source electrode and a drain electrode comprising a plurality of metal layer patterns on the ohmic contact layer, in which the semiconductor layer, the ohmic contact layer, the source electrode and the drain electrode are formed through a single mask process, and one of the plurality of metal layer patterns is etched through a polishing process to form the source electrode and the drain electrode.