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Liquid crystalline film

  • US 6,627,270 B1
  • Filed: 10/23/2000
  • Issued: 09/30/2003
  • Est. Priority Date: 04/23/1998
  • Status: Expired due to Term
First Claim
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1. A liquid crystalline film in which a cholesteric orientation or a chiral smectic C orientation, in which the helical axis is not uniformly parallel in the film thickness direction nor is the helix pitch uniformly equal in the film thickness direction, is formed in a certain region of the film.

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