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Display Device Provided With Touch Sensor, Electronic Apparatus Using Same, And Control Circuit Of Display Module Provided With Touch Sensor

  • US 20120268422A1
  • Filed: 11/02/2010
  • Published: 10/25/2012
  • Est. Priority Date: 11/09/2009
  • Status: Active Grant
First Claim
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1. A display apparatus furnished with a touch sensor, comprising:

  • a display module having a touch sensor comprising;

    a display panel;

    a plurality of sensor electrodes formed in a region where they overlap the display panel, and each having an electrostatic capacitance that changes according to a state of being touched by a user; and

    a proximity sensor electrode pair comprising an electric field generating electrode and an electric field detection electrode each formed as a transparent electrode in a region where they overlap the display panel;

    an electrostatic capacitance detection circuit configured to detect change in the electrostatic capacitance that occurs at each of the plurality of sensor electrodes according to being touched by the user so as to detect a position touched by the user; and

    a proximity detection circuit configured to detect change in the electric field generated between the proximity sensor electrode pair, which corresponds to the user being in proximity thereto, so as to detect the user being in proximity to the display panel,wherein the electrostatic capacitance detection circuit is configured to have at least a component that is switchable between an operating state and a non-operating state,and wherein, when detecting the proximity of the user by means of the proximity detection circuit, said at least one component transits from the non-operating state to the operating state.

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