VISIBLY TRANSPARENT BROADBAND INFRARED MIRROR FILMS

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...

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Bibliographic Details
Main Authors 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
LanguageEnglish
Published 05.12.2019
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary: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.
Bibliography:Application Number: US201716335189