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. 23, 2021

Filed:

Feb. 27, 2019
Applicant:

Novatek Microelectronics Corp., HsinChu, TW;

Inventors:

Po-Ying Chen, Tainan, TW;

Wen-Yi Hsieh, Tainan, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G06F 3/04166 (2019.05); G06F 3/0412 (2013.01); G06F 3/04164 (2019.05); G06F 3/04184 (2019.05); G09G 3/3611 (2013.01); G09G 2310/0297 (2013.01);
Abstract

The present invention discloses a touch display driving device and a driving method in the same. The touch display driving device is used for driving a touch display panel, the touch display panel comprising a plurality of common electrode blocks and a plurality of display regions. The touch display driving device comprising a multiplexing circuit which is configured to: during a display period, couple one or more common electrode blocks corresponding to one of the display regions which is to be displayed during the display period to a first voltage; and during the display period, couple one or more of the common electrode blocks corresponding to the display regions which are not to be displayed during the display period to a second voltage.


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