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. 14, 2021
Filed:
Aug. 30, 2019
Seiko Epson Corporation, Tokyo, JP;
Hidenori Kawata, Chino, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
An electro-optical device includes a contact hole configured to electrically connect a scanning line and a gate electrode of a TFT as a transistor, the contact hole being provided, in plan view, along a semiconductor layer of the TFT and including a body portion spaced apart from a channel region of the semiconductor layer by a first distance, and a protruded portion protruding from the body portion toward a region other than the channel region of the semiconductor layer, and spaced apart from the region other than the channel region by a second distance, which is less than the first distance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile