LAMINATED OPTICAL FILM

LAMINATED OPTICAL FILM

PROBLEM TO BE SOLVED: To provide an optical film that has high transparency and keeps high mechanical characteristic even at high temperature. SOLUTION: In the optical film, light transmittance in a wavelength of 550 nm is preferably 90% or higher. The optical film includes at least one surface laye...

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Bibliographische Detailangaben
Hauptverfasser: AMANO EIICHI, TAKAHASHI HIDEKAZU, SHIGEMOTO HIROMI, NOGUCHI KATSUHIRO
Format: Patent
Sprache:eng
Schlagworte:
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
TRANSPORTING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide an optical film that has high transparency and keeps high mechanical characteristic even at high temperature. SOLUTION: In the optical film, light transmittance in a wavelength of 550 nm is preferably 90% or higher. The optical film includes at least one surface layer A containing 4-methyl-1-pentene (co)polymer and at least one layer B containing a heat resistant resin. The glass transition temperature of the heat resistant resin is 120°C or higher. COPYRIGHT: (C)2010,JPO&INPIT