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:
Aug. 20, 2024

Filed:

Aug. 09, 2021
Applicant:

Japan Display Inc., Tokyo, JP;

Inventors:

Ryutaro Nitobe, Tokyo, JP;

Yoshihiro Kotani, Tokyo, JP;

Assignee:

Japan Display Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G02F 1/1333 (2006.01); G02F 1/1343 (2006.01); G02F 1/1362 (2006.01); G06F 3/044 (2006.01); G09G 3/20 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0412 (2013.01); G02F 1/13338 (2013.01); G02F 1/134336 (2013.01); G02F 1/136286 (2013.01); G06F 3/04166 (2019.05); G06F 3/0418 (2013.01); G06F 3/044 (2013.01); G09G 3/2092 (2013.01); G09G 3/3648 (2013.01); G09G 3/3677 (2013.01); G02F 1/134345 (2021.01); G02F 1/134372 (2021.01); G02F 2201/121 (2013.01); G06F 2203/04108 (2013.01); G09G 3/3614 (2013.01); G09G 3/3696 (2013.01); G09G 2310/0291 (2013.01); G09G 2310/08 (2013.01);
Abstract

A display device is provided and includes common electrodes overlapping pixels; common driver configured to supply voltage during a display period and an AC drive signal for touch detection during touch detection period; source lines connected to columns of pixels; source driver configured to supply an image signal; gate lines connected to rows of the pixels; select transistors connected between source driver and source lines; and controller configured to supply DC control signal to gate terminals of select transistors during display period, supply an AC control signal to gate terminals of select transistors during touch detection period, wherein AC control signal is synchronous with AC drive signal.


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