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CAPACITIVE TOUCH PANEL, DRIVING METHOD FOR PREVENTING LEAKAGE CURRENT

  • US 20130135249A1
  • Filed: 06/01/2012
  • Published: 05/30/2013
  • Est. Priority Date: 11/25/2011
  • Status: Abandoned Application
First Claim
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1. A capacitive touch panel, comprising:

  • a substrate;

    a transparent conductive layer with anisotropic impedance located on the substrate, a lower impedance direction D and a higher impedance direction H are defined on the transparent conductive layer, the lower impedance direction D is perpendicular to the higher impedance direction H;

    a plurality of driving sensing electrodes located on the two opposite sides of the transparent conductive layer, the plurality of driving sensing electrodes is located along a direction perpendicular to the lower impedance direction D;

    at least one sensing unit connected to the plurality of driving sensing electrodes for scanning the plurality of driving sensing electrodes;

    wherein the capacitive touch panel comprises at least one voltage compensation unit configured to provide an offset voltage, and the at least one voltage compensation unit comprises a first end and a second end, the first end of at least one voltage compensation unit is connected to at least one of the plurality of driving sensing electrodes, the second end of at least one voltage compensation unit is connected to a grounding voltage.

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