An optical film is provided which comprises a disperse phase of polymeric particles disposed within a continuous birefringent matrix. The film is oriented, typically by stretching, in one or more directions. The size and shape of the disperse phase particles, the volume fraction of the disperse phase,...http://www.google.es/patents/US20040012855?utm_source=gb-gplus-sharePatente US20040012855 - Optical film with co-continuous phases
Número de solicitud: 10/614,775 Número de publicación: US 2004/0012855 A1 Fecha de presentación: 7 Jul 2003 Patente emitida: US6987612 ( Fecha de emisión 17 Ene 2006)
