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Smartphone

  • US 10,452,185 B2
  • Filed: 04/17/2017
  • Issued: 10/22/2019
  • Est. Priority Date: 09/19/2014
  • Status: Active Grant
First Claim
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1. A touch input device capable of detecting a pressure of a touch on a touch surface, the touch input device comprising:

  • a substrate; and

    a display module;

    wherein a reference potential layer is disposed within the display module;

    wherein the touch input device further comprises an electrode which is disposed at a position where a distance between the electrode and the reference potential layer changes according to the touch on the touch surface;

    wherein the distance changes according to a magnitude of the pressure of the touch;

    wherein an electric signal depending on the distance is outputted from the electrode; and

    wherein the pressure of the touch is detected based on the electrical signal which is changed according to the distance between the electrode which is disposed under the display module and the reference potential layer which is disposed within the display module.

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