Data processing method of touch display device and touch display device

A touch display device and data processing technology, applied in the direction of electrical digital data processing, input/output process of data processing, instruments, etc., can solve the problem of falling

Active Publication Date: 2019-01-22
CHIPONE TECH BEIJINGCO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the gate line stops and stops on a certain sensing line, due to the different load of the display screen, the capacitance value corresponding to the sensing line is also different, thus introducing slash noise, resulting in a lower signal-to-noise ratio (SNR, Signal Noise Ratio) of touch detection. Ratio) decreased significantly

Method used

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  • Data processing method of touch display device and touch display device
  • Data processing method of touch display device and touch display device
  • Data processing method of touch display device and touch display device

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Embodiment Construction

[0071] Various exemplary embodiments, features, and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. The same reference numbers in the figures indicate functionally identical or similar elements. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0072] The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior or better than other embodiments.

[0073] In addition, in order to better illustrate the present disclosure, numerous specific details are given in the following specific implementation manners. It will be understood by those skilled in the art that the present disclosure may be practiced without some of the specific details. In some instances, methods, means, componen...

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PUM

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Abstract

The invention relates to a data processing method and a touch display device of a touch display device. The method comprises the following steps: for each subframe, according to a frame period, a corresponding relationship between a gate line and an induction line, and a line shift number, determining a position to be processed of data in the subframe; acquiring a first value at each data to-be-processed position for each data to be-processed position; when the difference between the current time and the previous learning time is greater than or equal to the learning period, calculating a second value of the data to be processed position according to all the first values of the data to be processed position from the previous learning time to the current time; using the second value to adjust the position of the corresponding data to be processed. According to the data processing method and the touch display device of the present disclosure, the noise compensation value is obtained by periodically learning the noise value, so that the noise compensation value is closer to the real noise, the oblique noise of the touch display device can be effectively eliminated, and the signal-to-noise ratio of the touch detection can be remarkably improved.

Description

technical field [0001] The present disclosure relates to the technical field of touch display, and in particular, to a data processing method of a touch display device and a touch display device. Background technique [0002] Touch and Display Driver Integration (TDDI, Touch and Display Driver Integration) is to integrate the touch chip and display chip into a single chip, which has both touch driving function and display driving function. [0003] The touch display device adopts a time-sharing manner of touch scanning and display scanning, so as to realize the touch driving function and the display driving function. When performing a touch scan, suspend the display scan; while performing a display scan, suspend the touch scan. In the time-sharing scanning driving process, each image frame is divided into a plurality of subframes, and each subframe is divided into a plurality of display intervals, and the display scanning of a predetermined number of gate lines (Gate lines)...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041
CPCG06F3/0416
Inventor 冯鹏斐
Owner CHIPONE TECH BEIJINGCO LTD
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