Light valve employing a film comprising an encapsulated liquid suspension, and method of making such film

  • US 5,463,491 A
  • Filed: 11/06/1992
  • Issued: 10/31/1995
  • Est. Priority Date: 11/01/1991
  • Status: Expired due to Term
First Claim
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1. A film suitable for use as the light-modulating unit of a light valve, comprising a cross-linked polymer matrix having droplets of a liquid light valve suspension distributed in and in direct contact with the cross-linked poller matrix, said liquid light valve suspension comprising organic particles suspended in a liquid suspending medium.

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