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Free form touch device

  • US 10,732,781 B2
  • Filed: 01/07/2019
  • Issued: 08/04/2020
  • Est. Priority Date: 08/17/2018
  • Status: Active Grant
First Claim
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1. A free form touch device, comprising:

  • a substrate;

    a first switching device, comprising a first channel layer, a first gate, a first source and a first drain, wherein an overlapping width of the first gate and the first channel layer is W1, and an overlapping length of the first gate and the first channel layer is L1;

    a first touch electrode, located on the substrate, and electrically connected with the first switching device, wherein an area of the first touch electrode is A1;

    a second switching device, comprising a second channel layer, a second gate, a second source and a second drain, wherein an overlapping width of the second gate and the second channel layer is W2, and an overlapping length of the second gate and the second channel layer is L2, wherein W1/L1>

    W2/L2; and

    a second touch electrode, located on the substrate, and electrically connected with the second switching device, wherein an area of the second touch electrode is A2, and A1>

    A2.

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