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Twisted nematic liquid crystal display devices with optical axis of birefringent layer inclined with respect to birefringent layer normal

DC CAFC
  • US 5,375,006 A
  • Filed: 06/24/1993
  • Issued: 12/20/1994
  • Est. Priority Date: 06/26/1992
  • Status: Expired due to Term
First Claim
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1. An electrically controlled display device implementing a layer of twisted nematic liquid crystal placed between two polarizers, uniaxial compensating means with negative birefringence being associated with said layer within the optical cavity formed by said polarizers, wherein the optical axis of said uniaxial compensating means with negative birefringence have an inclination with respect to the normal (Z) to the main faces of said layer.

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