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METHOD OF DRIVING TOUCH SCREEN DISPLAY APPARATUS, MEDIUM FOR RECORDING METHOD, AND TOUCH SCREEN DISPLAY APPARATUS

  • US 20110122096A1
  • Filed: 10/27/2010
  • Published: 05/26/2011
  • Est. Priority Date: 11/26/2009
  • Status: Abandoned Application
First Claim
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1. A method of driving a touch screen display apparatus comprising a touch detector for detecting a touch by an object and a panel comprising a photo sensor unit for capturing an image of the object and a light emitting unit for realizing an image to be displayed, the method comprising:

  • generating an input signal in response to the touch by the object with the touch detector;

    converting the input signal into an output signal having a plurality of enable periods and at least one disable period;

    updating, during the at least one disable period of the output signal, a noise determination reference of a sensing signal provided from the photo sensor unit; and

    removing, during an enable period of the enable periods, noise from the sensing signal according to the updated noise determination reference.

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