TOUCH DISPLAY DRIVING APPARATUS AND OPERATION METHOD THEREOF

  • US 20200356204A1
  • Filed: 09/09/2019
  • Published: 11/12/2020
  • Est. Priority Date: 05/06/2019
  • Status: Active Grant
First Claim
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1. A touch display driving apparatus, comprising:

  • a display driver circuit, configured to drive a plurality of gate lines of a touch display panel during a display frame period to display an image frame, wherein the display frame period is divided into a plurality of display driving periods and a plurality of touch driving periods, and the display driver circuit drives the touch display panel during the display driving periods; and

    a touch driver circuit, configured to detect a plurality of common electrode rows of the touch display panel during the touch driving periods to detect a touch event, wherein the common electrode rows are parallel to the gate lines, each of the common electrode rows serves as a current common electrode row, the current common electrode row covers a plurality of corresponding gate lines of the gate lines, and the touch driving period during which the current common electrode row is detected is not temporally adjacent to the display driving period during which the corresponding gate lines are driven and is adjacent to an other display driving period during which other gate lines among the gate lines are driven.

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