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Reducing display artifacts after non-display update periods

  • US 9,760,194 B2
  • Filed: 03/02/2015
  • Issued: 09/12/2017
  • Est. Priority Date: 03/13/2013
  • Status: Active Grant
First Claim
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1. A processing system for a display device having an integrated sensing device, the processing system comprising:

  • a driver module comprising driver circuitry, the driver module coupled to a plurality of source lines and a plurality of sensor electrodes, each sensor electrode comprising one or more common electrodes configured for display updating and input sensing, the driver module configured to;

    select a first display line for display updating during a first display update period;

    drive the sources lines with first display update signals during the first display update period to update the first display line;

    drive a first sensor electrode of the plurality of sensor electrodes for capacitive sensing during a non-display update period; and

    operate the source lines in a restore mode during a restart period, wherein the restart period is after the non-display update period and before a second display update period.

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