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:
Dec. 23, 2025
Filed:
Dec. 22, 2022
Applicant:
Wuhan China Star Optoelectronics Technology Co., Ltd., Hubei, CN;
Inventors:
Zhifu Li, Hubei, CN;
Guanghui Liu, Hubei, CN;
Fei AI, Hubei, CN;
Dewei Song, Hubei, CN;
Zhuang Li, Hubei, CN;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/786 (2006.01); H01L 29/417 (2006.01); H10D 30/67 (2025.01);
U.S. Cl.
CPC ...
H10D 30/6757 (2025.01); H10D 30/6729 (2025.01);
Abstract
The present application provides a thin film transistor substrate and an electronic device. The thin film transistor substrate includes: a substrate; a boss including an undercut structure, the undercut structure is located on a side wall of the boss; a filler located in the undercut structure; and an active layer located on the boss and the substrate, the active layer includes a channel, and the channel covers the undercut structure and the filler.