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Driving method for an electrophoretic display with high frame rate and low peak power consumption

  • US 20060291125A1
  • Filed: 08/30/2004
  • Published: 12/28/2006
  • Est. Priority Date: 09/08/2003
  • Status: Abandoned Application
First Claim
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1. A method for providing a set of voltage waveforms for updating at least a portion of a bi-stable display in successive frame periods, the method comprising:

  • accessing data defining the set of voltage waveforms for the successive frame periods; and

    generating the set of voltage waveforms (600, 620, 640, 660;

    700, 720, 740, 760;

    800, 820, 840, 860) for driving the at least a portion of the bi-stable display (310) during the successive frame periods according to the accessed data;

    wherein;

    over a duration of the successive frame periods, each of the voltage waveforms spans a first range of values; and

    at least one of the successive frame periods is time-aligned with a data-dependent portion of each of the voltage waveforms that spans a second range of values that is a subset of the first range of values.

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