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Phase difference film and production method therefor

  • US 20060192913A1
  • Filed: 01/26/2004
  • Published: 08/31/2006
  • Est. Priority Date: 02/03/2003
  • Status: Abandoned Application
First Claim
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1. A retardation film comprising an optically anisotropic layer and a retardation layer, the retardation layer comprising an aligned liquid crystalline compound, wherein the optically anisotropic layer contains at least one material selected from the group consisting of polyamide, polyimide, polyester, poly(etherketone), poly(amide-imide), and poly(ester-imide), the optically anisotropic layer is formed on a transparent base, and the retardation layer is laminated directly on the optically anisotropic layer.

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