Visibly transparent broadband infrared mirror films having fluoropolymers and 7:1:1:7:1:1 layer thickness ratio

Visibly transparent broadband infrared mirror films having fluoropolymers and 7:1:1:7:1:1 layer thickness ratio

Multilayer infrared (IR) reflecting films are provided. An optical repeating unit of the film include a plurality of optical polymeric layers arranged to reflect light by constructive and destructive interference. Optical layer A is a high refractive index polymeric layer, and optical layer B is a l...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Gilbert, Laurence R, Kuncio, Stephen J, O'Neill, Mark B, Kivel, Edward J, Johnson, Stephen A, Hebrink, Timothy J, Sorensen, Tracey D, Nevitt, Timothy J
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:Multilayer infrared (IR) reflecting films are provided. An optical repeating unit of the film include a plurality of optical polymeric layers arranged to reflect light by constructive and destructive interference. Optical layer A is a high refractive index polymeric layer, and optical layer B is a low refractive index isotropic polymeric layer containing fluoropolymers. The film has an average reflectance of about 50% to about 100% in a near infrared wavelength range of about 850 nm to about 1850 nm, and an average transmission of about 70% to about 90% in a visible light range.