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OPTICAL TOUCH DISPLAY PANEL AND TOUCH SENSING METHOD THEREOF

  • US 20130063398A1
  • Filed: 12/19/2011
  • Published: 03/14/2013
  • Est. Priority Date: 09/08/2011
  • Status: Abandoned Application
First Claim
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1. An optical touch display panel, comprising:

  • a first scan line;

    a readout line; and

    a photosensing unit, coupled to the first scan line and the readout line, activated in response to a first scan signal received by the first scan line, and reacting a photo sensing current on the readout line according to the first scan signal and a reference level.

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