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Machine-readable displays

  • US 7,119,759 B2
  • Filed: 10/29/2004
  • Issued: 10/10/2006
  • Est. Priority Date: 05/03/1999
  • Status: Expired due to Term
First Claim
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1. A reflective electro-optic display having a bar code display area arranged to display a bar code readable by a bar code scanner, the display comprising an electrophoretic electro-optic medium, the electrophoretic medium comprising a plurality of electrically charged particles suspended in a suspending fluid and capable of moving through the suspending fluid on application of an electrical field thereto, the electrically charged particles and the suspending fluid being confined within a plurality of capsules or microcells.

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