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DISPLAY DEVICE WITH INTEGRATED TOUCH SCREEN

  • US 20150378499A1
  • Filed: 12/29/2014
  • Published: 12/31/2015
  • Est. Priority Date: 06/30/2014
  • Status: Active Grant
First Claim
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1. A display device with integrated touch screen, the display device comprising:

  • a panel configured to include a plurality of electrodes, wherein the panel is division-driven in a display driving mode and a touch driving mode during one frame period;

    a display driver IC configured to apply a common voltage to the plurality of electrodes during the display driving mode; and

    an ROIC configured to apply, to the plurality of electrodes, a touch scan signal for sensing a touch when the touch driving mode is a first touch driving mode, and apply, to the plurality of electrodes, a touch scan signal for detecting a touch input position when the touch driving mode is a second touch driving mode,wherein number of times the touch scan signal is applied to the plurality of electrodes during one frame period when the touch driving mode is the first touch driving mode is smaller than number of times the touch scan signal is applied to the plurality of electrodes during one frame period when the touch driving mode is the second touch driving mode.

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