Touch control display device and driving method of touch control display device

Abstract

The invention provides a touch control display device and a driving method of the touch control display device, wherein the touch control display device comprises a plurality of public electrodes in matrix arrangement and a driving chip, wherein the public electrodes are divided into W groups, each group comprises M line of public electrodes, and each line comprises N public electrodes, wherein the W is greater than or equal to 2, the M is greater than or equal to 1, and the N is greater than or equal to 1; the driving chip is used for exerting touch control driving signals on a group of public electrodes line by line in the touch control time period of the current frame and exerting the touch control driving signals on one group of public electrodes line by line in the touch control time period of a next frame, wherein the public electrodes of the touch control driving signals exerted in the touch control time periods of the current frame and the next frame do not belong to one group. The touch control display device and the driving method provided by the invention have the advantages that the touch control driving on the public electrodes in different regions in the adjacent touch control time periods can be realized, the display uniformity is improved, and the problem that liquid crystal molecules easily age is solved.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a touch display device and a driving method thereof. Background technique [0002] In the prior art, the touch function of the display device is realized by laminating the touch screen and the display screen together, or using an in-cell touch (In Cell Touch) technology. Embedded touch technology is a technology that integrates touch elements into the display screen, so that the display screen itself has a touch function. The in-cell touch display device has many advantages such as the manufacturing of touch elements can be completed in the standard manufacturing process of the touch display device, there is no problem of lamination and alignment, the product is lighter and thinner, no frame is required, and a full flat design can be achieved. It is one of the hotspots of current research in this field. [0003] In an in-cell touch display device, the in-cell touch fun...

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is to provide a touch display device and its driving method to solve the inhomogeneity of the screen display and the aging of liquid crystal molecules in the embedded touch display device. speed problem

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