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Touch panel

  • US 10,025,443 B2
  • Filed: 03/25/2015
  • Issued: 07/17/2018
  • Est. Priority Date: 09/27/2012
  • Status: Active Grant
First Claim
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1. A touch panel, comprising:

  • an insulating layer having first and second major surfaces opposing one another;

    the insulating layer being bent back on itself at first and second positions to define first, second and third subsections each bounded by respective portions of the first and second major surfaces, the insulating layer being bent back upon itself such that the portion of the second major surface bounding the third subsection faces the portion of the first major surface bounding the first subsection and the portion of the second major surface bounding the first subsection faces the portion of the second major surface bounding the second subsection;

    a plurality of elongated first touch sensor electrodes located on a portion of the first major surface bounding the first subsection, the first touch sensor electrodes extending parallel to one another along a first direction and being spaced from each other along a second direction which is orthogonal to the first direction;

    a plurality of elongated second touch sensor electrodes located on the portion of the first major surface bounding the second subsection, the second touch sensor electrodes extending parallel to one another along the second direction and being spaced from each other along the first direction;

    a plurality of first extraction conductors, each first extraction conductor extending from a respective one of the first touch sensor electrodes;

    a plurality of backside wiring conductors formed on the portion of the first major surface bounding the third subsection, each backside wiring conductor corresponding to a respective one of the plurality of second touch sensor electrodes and being electrically coupled thereto; and

    a plurality of second extraction conductors, each second extraction conductor extending from a respective one of the backside wiring conductors.

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