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Lateral electrode smectic liquid crystal devices

  • US 5,493,426 A
  • Filed: 05/03/1993
  • Issued: 02/20/1996
  • Est. Priority Date: 11/14/1991
  • Status: Expired due to Fees
First Claim
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1. A tilted layer liquid crystal cell for light modulation comprising:

  • a pair of substrates positioned with opposing surfaces spaced apart to form cell walls;

    a smectic liquid crystal with rotatable optic axis disposed between said cell walls, the layers of said liquid crystal at an oblique angle, Θ

    , to said cell walls; and

    a means for applying an electric field parallel to said cell walls through said liquid crystal to rotate said optic axis of said liquid crystal;

    wherein the light is transmitted through said liquid crystal.

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