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Methods for driving electro-optic displays

  • US 20050024353A1
  • Filed: 06/29/2004
  • Published: 02/03/2005
  • Est. Priority Date: 11/20/2001
  • Status: Active Grant
First Claim
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1. A method for driving an electro-optic display having at least one pixel capable of achieving any one of at least four different gray levels including two extreme optical states, the method comprising:

  • displaying a first image on the display; and

    rewriting the display to display a second image thereon, wherein, during the rewriting of the display any pixel which has undergone a number of transitions exceeding a predetermined value, the predetermined value being at least one, without touching an extreme optical state, is driven to at least one extreme optical state before driving that pixel to its final optical state in the second image.

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