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.

Date of Patent:
Jan. 30, 2024

Filed:

Aug. 31, 2018
Applicant:

Sharp Kabushiki Kaisha, Sakai, JP;

Inventors:

Tohru Okabe, Sakai, JP;

Takeshi Yaneda, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/32 (2006.01); H10K 59/131 (2023.01); H01L 29/786 (2006.01);
U.S. Cl.
CPC ...
H10K 59/131 (2023.02); H01L 29/7869 (2013.01);
Abstract

A display device includes a short ring TFT, wherein the short ring TFT includes a semiconductor layer, a first gate electrode, a second gate electrode, a first gate insulating film provided between the semiconductor layer and the first gate electrode, and a second gate insulating film provided between the semiconductor layer and the second gate electrode, one of a pair of adjacent lead-out wiring lines is electrically connected to a source region of the semiconductor layer, the other of the pair of adjacent lead-out wiring lines is electrically connected to a drain region of the semiconductor layer, one of the first gate electrode and the second gate electrode is electrically connected to the source region or the drain region, and the other of the first gate electrode and the second gate electrode is electrically connected to a threshold value control wiring line.


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