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:
Jan. 07, 2025

Filed:

Jun. 25, 2021
Applicants:

Beijing Boe Display Technology Co., Ltd., Beijing, CN;

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Yinlong Zhang, Beijing, CN;

Zhihua Sun, Beijing, CN;

Pengfei Hu, Beijing, CN;

Senwang Li, Beijing, CN;

Yanping Liao, Beijing, CN;

Xibin Shao, Beijing, CN;

Xiaofeng Yin, Beijing, CN;

Jiantao Liu, Beijing, CN;

Kaiming Shi, Beijing, CN;

Jinling Zhang, Beijing, CN;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
G06F 3/04184 (2019.05); G06F 3/0412 (2013.01);
Abstract

The present invention relates to a touch display device, a drive control circuit for the touch display device, and a method for operating the touch display device. The touch display device includes a drive control circuit, the drive control circuit is configured to: in a display phase, provide a common voltage signal to a common electrode in a pixel circuit of the touch display device; in a touch phase, provide a touch drive signal to the common electrode, wherein a ratio of an average value of a high level and a low level of the touch drive signal to a value of the common voltage signal ranges from 0.8 to 1.2.


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