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:
Nov. 30, 2021

Filed:

Nov. 19, 2019
Applicant:

Panasonic Liquid Crystal Display Co., Ltd., Himeji, JP;

Inventor:

Hiroyuki Yabuki, Hyogo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/13 (2006.01); G02F 1/1362 (2006.01); G02F 1/1345 (2006.01); G02F 1/1343 (2006.01); G02F 1/1333 (2006.01); G01R 31/28 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1309 (2013.01); G02F 1/136259 (2013.01); G01R 31/2825 (2013.01); G02F 1/13452 (2013.01); G02F 1/133308 (2013.01); G02F 1/134309 (2013.01); G02F 1/136254 (2021.01); G02F 2201/123 (2013.01); G02F 2201/40 (2013.01);
Abstract

A display device according to a present disclosure comprises: a display region; a frame region disposed around the display region; a plurality of first wirings extending in a first direction in the display region; a first drive circuit electrically connected to one end of each of the plurality of first wirings; a first inspection wiring electrically connected to another end of each of the plurality of first wirings through each of a plurality of inspection thin film transistors; a second inspection wiring connected to a gate electrode of each of the plurality of inspection thin film transistors; an inspection drive circuit electrically connected to the second inspection wiring; and an inspection circuit electrically connected to the first inspection wiring, wherein at least a part of the second inspection wiring extends in the first direction in the display region.


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