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DISPLAY APPARATUS WITH TOUCH SENSING FUNCTION

  • US 20140204049A1
  • Filed: 04/15/2013
  • Published: 07/24/2014
  • Est. Priority Date: 01/18/2013
  • Status: Abandoned Application
First Claim
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1. A display apparatus with touch sensing function, comprising:

  • a display panel having a plurality of pixels arranged in an array, and each of the pixels comprises a liquid crystal capacitor;

    a display driving circuit coupled to the display panel and configured to drive the pixels during a display period in a frame period to display images on the display panel; and

    a touch sensing circuit coupled to the display panel and configured to sense capacitance variations of the liquid crystal capacitors during a blanking period in the frame period thereby generating a touch information.

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