The screen of the invention comprises an oriented film having a direction of maximum scattering (scattering axis) and a direction of minimum scattering (transmitting axis) for linear polarized light, and containing macromolecular fine particles in a macromolecular matrix, wherein the refractive index...http://www.google.de/patents/US7715097?utm_source=gb-gplus-sharePatent US7715097 - Screen
