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:
Mar. 14, 2023
Filed:
Aug. 16, 2021
Applicant:
Japan Display Inc., Tokyo, JP;
Inventor:
Toshiaki Fukushima, Tokyo, JP;
Assignee:
Japan Display Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/044 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0412 (2013.01); G06F 3/0445 (2019.05); G06F 3/0446 (2019.05); G06F 3/04164 (2019.05); G06F 3/04166 (2019.05); G06F 3/04184 (2019.05);
Abstract
A driving circuit is provided for display device having pixel electrodes and drive electrodes facing the pixel electrodes in display area. The driving circuit includes touch wiring that is routed in frame area located outside display area and supplies alternating current touch drive signal to drive electrodes; display wiring that supplies display drive voltage; and switches conducting between at least one of drive electrodes and touch wiring in touch detection period, and conducting between at least one of drive electrodes and display wiring in display period, wherein display wiring is disposed closer to display area than touch wiring.