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Extended temperature range polymer dispersed liquid crystal light shutters

  • US 5,004,323 A
  • Filed: 08/30/1988
  • Issued: 04/02/1991
  • Est. Priority Date: 08/30/1988
  • Status: Expired due to Term
First Claim
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1. A liquid crystal light modulating material comprising a liquid crystal phase in a cross-linked polymeric matrix, the liquid crystal phase being effective to scatter incident light in the absence of an applied field, the liquid crystal phase further being responsive to an applied field to transmit incident light from about -40°

  • C. to 80°

    , and the matrix being effective to maintain the liquid crystal phase in a scattering condition in the absence of an applied field.

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