Optical reflective film and optical reflector using the same

Optical reflective film and optical reflector using the same

An optical reflective film which includes at least one unit formed by laminating a high refractive index layer and a low refractive index layer on a substrate and is characterized in that at least either of the high refractive index layer or the low refractive index layer contains two or more kinds...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Hisamitsu Akihito
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:An optical reflective film which includes at least one unit formed by laminating a high refractive index layer and a low refractive index layer on a substrate and is characterized in that at least either of the high refractive index layer or the low refractive index layer contains two or more kinds of polyvinyl alcohols having different degrees of saponification, the high refractive index layer and the low refractive index layer contain polyvinyl alcohols having approximately the same degree of saponification, and an average degree of saponification of polyvinyl alcohols contained in the high refractive index layer and an average degree of saponification of polyvinyl alcohols contained in the low refractive index layer are different from each other.