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In-cell touch scanning modes for simultaneous touch and display

  • US 9,164,641 B1
  • Filed: 09/25/2014
  • Issued: 10/20/2015
  • Est. Priority Date: 05/29/2014
  • Status: Active Grant
First Claim
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1. A method comprising:

  • updating a row of pixels in a display;

    wherein the display comprises a thin-film transistor (TFT) layer, a top polarizing layer, and a sensor array that comprises transmit (TX) electrodes, wherein the TX electrodes are disposed between the TFT layer and the top polarizing layer;

    while the row of pixels is being updated, driving one or more of the TX electrodes to sense at least a portion of the sensor array, wherein the one or more of the TX electrodes are not associated with the row of pixels that is being updated;

    wherein the one or more of the TX electrodes are included in a first group or in a second group, wherein the first group includes those of the TX electrodes that are even-numbered and the second group includes those of the TX electrodes that are odd-numbered.

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