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:
Jun. 24, 2025
Filed:
Aug. 21, 2024
Seiko Epson Corporation, Tokyo, JP;
Hiroyuki Oikawa, Chitose, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
An electro-optical device includes a substrate, a transistor including a semiconductor layer including a drain region, a source region, and a channel region and extending in a first direction, and a gate electrode, a scanning line, and a first light-blocking part, wherein the substrate, the semiconductor layer, the gate electrode, and a layer at which the scanning line is provided are arranged in a second direction, the first light-blocking part includes a first portion, a second portion, and a third portion, and a length of the first portion in the second direction, a length of the second portion in the second direction, and a length of the third portion in the second direction are longer in this order.