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OVERLAY FOR DISPLAY SELF REFRESH

  • US 20160180796A1
  • Filed: 12/23/2014
  • Published: 06/23/2016
  • Est. Priority Date: 12/23/2014
  • Status: Active Grant
First Claim
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1. A processing system for a display, the processing system comprising:

  • a display memory configured to store a first frame of display update data;

    a display driver module configured to operate in a self-refresh mode comprising updating a display using the first frame of display update data stored in the display memory;

    wherein the display driver module is further configured to operate in a second mode comprising;

    receiving, from a source, an overlay of display update data;

    merging the overlay with the stored first frame of display update data to form a merged image; and

    updating a display using the merged image.

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