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Organic polymer O-plate compensator for improved gray scale performance in twisted nematic liquid crystal displays

  • US 5,986,734 A
  • Filed: 07/30/1997
  • Issued: 11/16/1999
  • Est. Priority Date: 04/04/1994
  • Status: Expired due to Term
First Claim
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1. A method of manufacturing an O-plate compensator, comprising the steps of:

  • (a) providing a substrate;

    (b) applying a liquid crystal alignment layer to said substrate;

    (c) applying a first thin film of a polymerizable liquid crystal material to said alignment layer;

    (d) adjusting the temperature of said first thin film to obtain a uniform specified orientation of a director of said thin film;

    (e) illuminating said first thin film with actinic radiation to polymerize said first thin film.

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