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:
May. 25, 2021
Filed:
Mar. 19, 2019
Chipone Technology (Beijing) Co., Ltd., Beijing, CN;
Tianhao Chen, Beijing, CN;
Youqiao Xie, Beijing, CN;
Chipone Technology (Beijing) Co., Ltd., Beijing, CN;
Abstract
This application discloses a touch display control apparatus and a touch display apparatus. The touch display control apparatus comprises: a touch control module for touch detection, wherein the touch control module comprises touch detection channels, and performs the touch detection according to touch sensing signals received through the touch detection channels; a display control module for display control, wherein the display control and touch detection are performed in time sharing manner; selection modules for selectively connecting the touch detection channels or a common voltage signal to a touch display panel, wherein nodes connecting the selection modules and the touch display panel are compensation nodes, the touch display control apparatus further comprises compensation modules respectively connected to the compensation nodes, each compensation module counteract an interference voltage coupled to a corresponding compensation node when the interference voltage exceeds a preset value, thereby avoiding a horizontal or vertical stripe in displayed images.