MATERIALS, CONFIGURATIONS, AND METHODS FOR REDUCING WARPAGE IN OPTICAL FILMS

A multilayer optical body is disclosed and includes a light reflecting element formed from a first polymer material and a second polymer material having an index of refraction difference sufficient to reflect light of at least one polarization, and at least one non-optical warp-resistant layer dispo...

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Bibliographische Detailangaben
Hauptverfasser:	STROBEL, JOAN, M, ROSELL, BARRY, S, HEBRINK, TIMOTHY, J, HAMER, KEVIN, M
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING
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Beschreibung
Zusammenfassung:	A multilayer optical body is disclosed and includes a light reflecting element formed from a first polymer material and a second polymer material having an index of refraction difference sufficient to reflect light of at least one polarization, and at least one non-optical warp-resistant layer disposed on the light reflecting element. The at least one non-optical one warp-resistant layer includes an intimate mixture of i) polystyrene or a first polystyrene copolymer and ii) a second polystyrene copolymer or ii) a polyester or copolyester.