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Full color reflective display with multichromatic sub-pixels

  • US 6,864,875 B2
  • Filed: 05/13/2002
  • Issued: 03/08/2005
  • Est. Priority Date: 04/10/1998
  • Status: Expired due to Term
First Claim
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1. A multichromatic electrophoretic display element comprising:

  • a first capsule comprising a first white particle and a red particle;

    a second capsule comprising a second white particle and a green particle;

    a third capsule comprising a third white particle and a blue particle; and

    three filters each adjacent to one of the capsules, wherein the particles in the three capsules move to present the multichromatic display in response to an applied electrical field, and wherein a white visual appearance of the display is provided by at least one of the white particles.

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