Biaxial film
Patent #: 7,527,833
Inventor(s): Kim Slaney, Mark Verrall, Owain Parri, Karl Skjonnemand and Tara Perrett
Company: Merck Patent Gesellschaft Mit Beschrankter Haftung
Filed: 2002-11-06
Issued: 2009-05-05
Description:
Patented is a biaxial film with a cholesteric structure and a deformed helix with an elliptical refractive index ellipsoid. The ellipsoid reflects light of a wavelength of less than 380 nm.
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