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Broad-band-cholesteric liquid-crystal film, process for producing the same, circularly polarizing plate, linearly polarizing element,illiminator, and liquid-crystal display

  • US 20060127605A1
  • Filed: 01/08/2004
  • Published: 06/15/2006
  • Est. Priority Date: 01/10/2003
  • Status: Active Grant
First Claim
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1. A broad band cholesteric liquid crystal film comprising:

  • a cholesteric liquid crystal film obtained by coating a liquid crystal mixture containing a polymerizable mesogen compound (a), a polymerizable chiral agent (b) and a photoisomerizable material (c) on a substrate to ultraviolet polymerize thereof, having a reflection bandwidth of 200 nm or more.

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