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Touch electrode structure and touch display panel

  • US 10,444,879 B2
  • Filed: 06/20/2017
  • Issued: 10/15/2019
  • Est. Priority Date: 09/29/2016
  • Status: Active Grant
First Claim
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1. A touch electrode structure, comprising:

  • a base substrate;

    a plurality of first touch electrodes, disposed on the base substrate and extending along a first direction;

    a plurality of second touch electrodes, disposed on the base substrate and extending along a second direction;

    a plurality of first floating electrodes, disposed in a one-to-one correspondence with the plurality of first touch electrodes; and

    a plurality of second floating electrodes, disposed in a one-to-one correspondence with the plurality of second touch electrodes,wherein each of the first touch electrodes has a shape of a polygon and comprises a plurality of first edges, a range of an angle between an extension direction of each of the first edges and the first direction is 20 to 25 degrees, each of the second touch electrodes has a shape of a polygon and comprises a plurality of second edges, a range of an angle of an extension direction of each of the second edges and the second direction is 20 to 25 degrees,wherein each of the first floating electrodes comprises two first sub floating electrodes, the two first sub floating electrodes are respectively disposed on two sides of a first touch electrode corresponding to the first floating electrode and spaced apart from the first touch electrode by a first distance, each of the second floating electrodes comprises two second sub floating electrodes, the two second sub floating electrodes are respectively disposed on two sides of a second touch electrode corresponding to the second floating electrode and spaced apart from the second touch electrode by a second distance,wherein the plurality of first floating electrodes and the plurality of second floating electrodes are disposed in a region of the base substrate where the first touch electrodes and the second touch electrodes are not disposed, and adjacent ones of the first floating electrodes and the second floating electrodes are separated by a third distance,wherein the first distance, the second distance, and the third distance are equal, andwherein the two first sub floating electrodes disposed on two sides of the first touch electrode and the first touch electrode corresponding thereto form a substantially rectangular pattern, the two second sub floating electrodes disposed on two sides of the second touch electrode and the second touch electrode corresponding thereto form a substantially rectangular pattern, the first sub floating electrodes and the second sub floating electrodes are sub floating electrodes which are mutually independent.

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