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TOUCH DISPLAY DEVICE with multiple alternating touch periods and display periods per frame

  • US 20160034060A1
  • Filed: 07/31/2014
  • Published: 02/04/2016
  • Est. Priority Date: 07/31/2014
  • Status: Abandoned Application
First Claim
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1. A touch display device, comprising:

  • a display panel configured to display a video and to receive a touch operation; and

    a panel driver, comprising;

    a timing controller configured to generate a clock signal, each cycle of the clock signal comprising N display periods and N touch periods, the total time of the N display periods corresponding to a frame of a video signal, and the total time of the N display periods and the N touch periods corresponding to one cycle of the video signal, wherein N is a positive integer equal or greater than two, and the frame consisting of N line data,wherein the panel driver is configured to alternately drive the panel to display the video during each of the N display periods and to detect the touch operation during each of the N touch periods; and

    a memory module comprising a first line memory and a second line memory, wherein the first line memory receives only a first line data of the N line data corresponding to one of the N display periods during a first time;

    during a second time after the first time, the first line memory receives only a second line data of the N line data corresponding to another one of the N display periods and transmits the first line data to the second line memory, and the second line memory keeps the first line data and outputs the first line data to the display panel.

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