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Switchable volume hologram materials and devices

  • US 20040089842A1
  • Filed: 10/24/2003
  • Published: 05/13/2004
  • Est. Priority Date: 07/12/1996
  • Status: Active Grant
First Claim
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1. A hologram made by exposing an interference pattern inside a polymer-dispersed liquid crystal material, the polymer-dispersed liquid crystal material comprising, before exposure:

  • (a) a polymerizable monomer comprising a plurality of acrylates;

    (b) a liquid crystal;

    (c) a cross-linking monomer;

    (d) a coinitiator; and

    (e) a photoinitiator dye.

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