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Electronic paper display device, manufacturing method and driving method thereof

  • US 7,751,115 B2
  • Filed: 08/25/2006
  • Issued: 07/06/2010
  • Est. Priority Date: 08/26/2005
  • Status: Active Grant
First Claim
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1. An electronic paper display device comprising:

  • a first substrate and a second substrate, which are disposed opposite to each other while the first substrate and the second substrate are spaced apart from each other;

    a plurality of first electrodes and a plurality of second electrodes formed at the bottom of the first substrate and at the top of the second substrate, respectively;

    a plurality of barrier ribs disposed between the first substrate and the second substrate to form a plurality of cells;

    electrophoretic particles injected in the cells; and

    a micro protrusion member formed at the bottom of each first electrode and/or at the top of each second electrode.

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