Optical film

An optical film that includes a reflective polarizer and a stretched polymer film is disclosed. The stretched polymer film is laminated to the reflective polarizer, and the stretched polymer film exhibits a refractive index symmetry point at an angle of incidence in air of at least about 60 degrees...

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Bibliographische Detailangaben
Hauptverfasser:	NOONEY, MEGHAN ANNE, STROBEL, JOAN MARIE, WEBER, MICHAEL FRANCIS, O'NEILL, MARK BRIAN, PETERSON, JEFFREY ALAN, HEDDING, BRENT ALLEN, CHIEN, BERT TZE-WHA, BAETZOLD, JOHN PATRICK, BOESL, ELLEN ROSE, TAI, HUIWEN, POKORNY, RICHARD JOHN, HART, SHANDON DEE, WONG, CHIU PING, KARG, DONOVAN CHARLES CONRAD, VAN DERLOFSKE, JOHN FELIX, LUDEMANN, THOMAS JAY, FRANKE, CARSTEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
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Beschreibung
Zusammenfassung:	An optical film that includes a reflective polarizer and a stretched polymer film is disclosed. The stretched polymer film is laminated to the reflective polarizer, and the stretched polymer film exhibits a refractive index symmetry point at an angle of incidence in air of at least about 60 degrees in a plane of incidence parallel to a direction of greatest stretch.