Optical Films and Stacks Including Optically Diffusive Layer

Optical films and stacks include at least one optically diffusive layer. The optically diffusive layer can include a plurality of nanoparticles and a polymeric material bonding the nanoparticles to each other to form a plurality of nanoparticle aggregates defining a plurality of voids therebetween....

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Main Authors Cole, Matthew S, Pham, Tri D, Sanford, Quinn D, Renstrom, Anthony M, Chen, Qunyi, Sousa, Matthew E, Swanson, Jeremy O, Petaja, Jason S, DeNicola, Lisa A, Acharya, Bharat R, Rosen, David A
Format Patent
LanguageEnglish
Published 20.07.2023
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:Optical films and stacks include at least one optically diffusive layer. The optically diffusive layer can include a plurality of nanoparticles and a polymeric material bonding the nanoparticles to each other to form a plurality of nanoparticle aggregates defining a plurality of voids therebetween. For substantially normally incident light and a visible wavelength range from about 450 nm to about 650 nm and an infrared wavelength range from about 930 nm to about 970 nm: in the visible wavelength range, the optical film or optically diffusive layer has an average specular transmittance Vs; and in the infrared wavelength range, the optical film or optically diffusive layer has an average total transmittance It and an average specular transmittance Is, Is/It≥0.6, Is/Vs≥2.5.
Bibliography:Application Number: US202117996511