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Encapsulated liquid crystal and method

  • US 4,616,903 A
  • Filed: 03/21/1983
  • Issued: 10/14/1986
  • Est. Priority Date: 09/16/1981
  • Status: Expired due to Term
First Claim
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1. A billboard display comprising a liquid crystal apparatus, including operationally nematic liquid crystal material and containment means having a curvilinear surface for inducing a generally non-parallel alignment of said liquid crystal material which in response to such alignment at least one of scatters and absorbs light and which in response to a prescribed input reduces the amount of such scattering or absorption.

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