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Very thin achromatic quarter wave film laminate for transflective LCD and method for producing the same

  • US 7,663,718 B2
  • Filed: 02/26/2007
  • Issued: 02/16/2010
  • Est. Priority Date: 02/27/2006
  • Status: Active Grant
First Claim
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1. An achromatic quarter wave film laminate for transflective LCD comprising:

  • a lower optical-orientation film;

    a lower phase difference film coated on the lower optical-orientation film;

    a upper optical-orientation film coated on the lower phase difference film; and

    a upper phase difference film coated on the upper optical-orientation film,wherein the lower phase difference film and the upper phase difference film are made of liquid crystal, andwherein the lower and the upper optical-orientation films are formed by dissolving a multicyclic compound having a photo-reactive group-containing main chain, and a cross-linking agent in a solvent, and subjecting the solution to coating, drying and UV (ultraviolet) curing.

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