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Electrophoretic media and processes for the production thereof

  • US 7,532,388 B2
  • Filed: 05/02/2007
  • Issued: 05/12/2009
  • Est. Priority Date: 05/15/2001
  • Status: Expired due to Term
First Claim
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1. An active matrix electro-optic display comprising:

  • a layer of electro-optic medium, the electro-optic medium comprising a plurality of charged particles disposed in a liquid and capable of moving therethrough on application of an electric field to the electro-optic medium; and

    a plurality of pixel electrodes disposed adjacent the layer of electro-optic medium and arranged to apply an electric field thereto,the electro-optic medium exhibiting a voltage threshold and the charged particles having polymeric shells having repeating units derived from at least one monomer the homopolymer of which is incompatible with the suspending fluid.

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