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Touch display panel and method for controlling the same, and touch display device

  • US 10,001,867 B2
  • Filed: 10/29/2014
  • Issued: 06/19/2018
  • Est. Priority Date: 07/28/2014
  • Status: Expired due to Fees
First Claim
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1. A touch display device, comprising a first layer and a second layer, wherein the first layer comprises:

  • a plurality of touch sensing electrodes;

    a plurality of first electrodes arranged in a same layer with the plurality of touch sensing electrodes and insulated from the plurality of touch sensing electrodes;

    an insulating layer arranged on at least one first electrode of the plurality of first electrodes and at least one touch sensing electrode of the plurality of touch sensing electrodes; and

    a bridging layer arranged on the insulation layer, wherein the bridging layer is configured to implement an electric connection between at least three electrodes of the plurality of first electrodes,wherein the at least one first electrode is electrically connected to a first signal input terminal in a display phase to discharge electrostatic charges in the at least one first electrode and is electrically connected to a second signal input terminal in a touch phase to maintain the at least one first electrode in a high impedance state in the touch phase,wherein the second layer comprises touch driving electrodes and common electrodes alternately arranged in a same layer and insulated from each other, the touch driving electrodes arranged in a different layer from the plurality of touch sensing electrodes and cross the plurality of touch sensing electrodes,wherein a pattern of the at least one first electrode comprises a grid shape, and the plurality of first electrodes and the plurality of touch sensing electrodes are arranged alternately and extend in a same direction.

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