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Touch panel

  • US 10,126,859 B2
  • Filed: 02/19/2015
  • Issued: 11/13/2018
  • Est. Priority Date: 02/20/2014
  • Status: Active Grant
First Claim
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1. A touch panel, comprising:

  • a first substrate;

    a second substrate disposed on a viewer side of the first substrate; and

    a liquid crystal layer provided between said first substrate and said second substrate,wherein the touch panel further includes a plurality of pixel electrodes and a common electrode for applying a voltage to the liquid crystal layer, and a plurality of detection electrodes and a plurality of driving electrodes for a touch sensor,wherein the first substrate includes a first transparent substrate and said plurality of pixel electrodes formed on the liquid crystal layer side of the first transparent substrate,wherein the second substrate includes a second transparent substrate and said plurality of driving electrodes and said plurality of detection electrodes formed on the liquid crystal layer side of the second transparent substrate,wherein the touch panel does not include a conductive layer on the viewer side of the second transparent substrate,wherein the first substrate includes the common electrode,wherein the common electrode is formed on the liquid crystal layer side of the first transparent substrate,wherein the liquid crystal layer is a horizontal alignment-type liquid crystal layer that includes nematic liquid crystal material having a negative dielectric anisotropy,wherein the common electrode has a plurality of common electrode sections that are parallel to the plurality of detection electrodes, andwherein the plurality of common electrode sections are respectively electrically connected to one of the plurality of detection electrodes facing the common electrode sections through the liquid crystal layer.

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