Touch display apparatus

  • US 10,824,260 B1
  • Filed: 11/07/2019
  • Issued: 11/03/2020
  • Est. Priority Date: 04/24/2019
  • Status: Active Grant
First Claim
Patent Images

1. A touch display apparatus, comprising:

  • a first substrate provided with an outer surface and an inner surface opposite to each other, wherein the outer surface is a touch surface;

    a second substrate arranged opposite to the first substrate;

    a display medium arranged between the inner surface of the first substrate and the second substrate;

    a plurality of pixel structures arranged between the first substrate and the display medium or between the second substrate and the display medium, wherein each of the pixel structures comprises a data line, a first scan line, a first transistor and a pixel electrode, the first transistor is provided with a first end, a second end and a control end, the data line is electrically connected to the first end of the first transistor, the first scan line is electrically connected to the control end of the first transistor, and the pixel electrode is electrically connected to the second end of the first transistor;

    a first touch electrode arranged on the inner surface of the first substrate;

    a second transistor arranged on the inner surface of the first substrate and provided with a first end, a second end and a control end;

    a read-out line and a second scan line arranged on the inner surface of the first substrate, wherein the read-out line is electrically connected to the first end of the second transistor, the second scan line is electrically connected to the control end of the second transistor, the first touch electrode is electrically connected to the second end of the second transistor, and the first touch electrode is overlapped with a pixel electrode of a first pixel structure of the pixel structures; and

    a dielectric layer, wherein the first touch electrode is arranged between the first substrate and the dielectric layer, and the dielectric layer is arranged between the first touch electrode and a first transistor of the first pixel structure.

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