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:
Feb. 04, 2020
Filed:
Jul. 25, 2017
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 1/1362 (2006.01); G02F 1/1333 (2006.01); G02F 1/1343 (2006.01); G09G 3/36 (2006.01); G06F 3/044 (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 3/044 (2013.01); G09G 3/3677 (2013.01); G02F 2001/134345 (2013.01); G02F 2001/134372 (2013.01); G02F 2201/121 (2013.01); G06F 2203/04108 (2013.01); G09G 3/3614 (2013.01); G09G 2310/0291 (2013.01); G09G 2310/08 (2013.01);
Abstract
According to one embodiment, a display device comprises a common electrode driver configured to supply to common electrodes a display voltage during a display period and a touch detection drive signal during a touch detection period, a source amplifier configured to supply an image signal to source lines, a gate driver configured to supply to gate lines a scanning signal during a display period and a guard signal during a touch detection period, and switches configured to connect the source lines and the common electrodes during a touch detection period.