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:
Mar. 21, 2023
Filed:
Feb. 21, 2022
Seiko Epson Corporation, Tokyo, JP;
Yohei Sugimoto, Nagano-Ken, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A TFT is provided that has a semiconductor layer in which one source drain region, one LDD region, a channel region, another LDD region, and a first portion of another source drain region extend along a first direction at a position overlapping a scanning line, and a second portion of the other source drain region extends along a second direction at a position overlapping a data line, a light shielding wall is disposed along the one LDD region or the other LDD region extending along the first direction, a substrate has a recessed portion in a region overlapping the light shielding wall, and a part of the light shielding wall is disposed along a side surface and a bottom surface of the recessed portion.