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Touch panel and touch screen display device

  • US 9,933,902 B2
  • Filed: 08/28/2015
  • Issued: 04/03/2018
  • Est. Priority Date: 05/08/2015
  • Status: Active Grant
First Claim
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1. A touch panel, comprising:

  • a base plate, the base plate comprising a display area and a border area, wherein the border area is provided with an electromagnetic touch detecting circuit for electromagnetic touch scanning, and the electromagnetic touch detecting circuit comprises a first circuit and a second circuit; and

    a capacitive touch structure and an electromagnetic touch structure that are provided on a same side of the base plate;

    wherein the electromagnetic touch structure comprises a plurality of first coils each extending in a first direction and a plurality of second coils each extending in a second direction, wherein the first direction is perpendicular to the second direction;

    wherein the first coils are arranged in adjacent pairs that partly overlap each other;

    wherein the second coils are arranged in adjacent pairs that partly overlap each other;

    wherein each of the first coils comprises two first sides each extending in the first direction and one second side extending in the second direction, first ends of the two first sides are connected to each other through the second side, and second ends of the two first sides are connected to the first circuit; and

    wherein each of the second coils comprises two third sides each extending in the second direction and one fourth side extending in the first direction, first ends of the two third sides are connected to each other through the fourth side, and second ends of the two third sides are connected to the second circuit.

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