Light emitting assembly includes at least one film, sheet, plate or substrate positioned between a light source and a display for redirecting at least some of the light emitted by the light source. One side of the film, sheet, plate or substrate may have a pattern of reflective or refractive surfaces...http://www.google.fr/patents/US7448775?utm_source=gb-gplus-shareBrevet US7448775 - Transreflectors, transreflector systems and displays and methods of making transreflectors
Transreflectors, transreflector systems and displays and methods of making ...
