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Electrophoretic display with dual-mode switching

  • US 7,271,947 B2
  • Filed: 02/14/2003
  • Issued: 09/18/2007
  • Est. Priority Date: 08/16/2002
  • Status: Expired due to Fees
First Claim
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1. An electrophoretic display comprising an array of electrophoretic cells, wherein each of said electrophoretic cells is sandwiched between a top layer comprising a top electrode and a bottom layer comprising a bottom electrode and each of said electrophorectic cells comprises(i) partition walls;

  • (ii) in-plane electrodes which are part of the partition walls; and

    (iii) an electrophoretic composition filled therein and said electrophoretic composition comprises charged pigment particles dispersed in a dielectric solvent or solvent mixture,whereby each of said electrophoretic cells is capable of providing a three color system, displaying the color of the charged pigment particles, or the color of the dielectric solvent or solvent mixture, or a background color.

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