Multilayer optical films having one or more reflection bands
Assignee3M Innovative Properties Company
InventorsMichael F. Weber, Timothy J. Nevitt, Andrew J. Ouderkirk, John A. Wheatley, James M. Jonza, Yao Qi Liu, Andrew T. Ruff, Jeffrey A. Boettcher
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Abstract
Multilayer optical films having one or more reflection bands are provided. The films include alternating polymeric layers configured to selectively reflect and transmit visible light at a design angle of incidence, where the selective reflection includes first and second visible reflection bands. At least one of the first and second visible reflection bands is a first-order reflection.
Claims13
A multilayer optical film comprising alternating polymeric layers configured to selectively reflect and transmit visible light at a design angle of incidence, the selective reflection comprising first and second visible reflection bands, wherein at least one of the first and second visible reflection bands is a first-order reflection.
Dependencies are inferred from the claim text.