Abstract: A light control film is described comprising alternating transmissive regions and absorptive regions disposed between the light input surface and the light output surface. The absorptive regions have an aspect ratio of at least 30. In some embodiments, an absorptive layer or reflective layer is disposed between the alternating transmissive regions and absorptive regions and the light input surface and/or light output surface. In another embodiment, the alternating transmissive regions comprise an absorptive material. The light control film can exhibit low transmission of visible light and high transmission of near infrared light. Also described is a light detection system comprising such light control films and a microstructured film.

Abstract: An article is provided. The article includes an acrylate layer; a substrate overlaying the acrylate layer; and an adhesive layer between the acrylate layer and the substrate, wherein the adhesive layer includes germanium; wherein a release value between the acrylate layer and the adhesive layer is more than 200 g/inch.

Abstract: A film including: a substrate; a first barrier layer on the substrate; a first resin layer on the first barrier layer; wherein the first resin layer includes a structured major surface and a plurality of features; a second barrier layer on the structured major surface of the first resin layer; and a second resin layer on the second barrier layer, wherein the second resin layer includes a structured major surface and a plurality of features.

Abstract: There is provided a method of making a curved barrier film, including: depositing a barrier layer between a first organic layer and a second organic layer to form a barrier film; and thermoforming or vacuum-forming the barrier film from a flat barrier film to a curved barrier film; wherein the barrier film includes the barrier layer having two opposing major surfaces, wherein the barrier layer includes buckling deformations and non-buckling regions; the first organic layer in direct contact with one of the opposing major surfaces of the barrier layer; and the second organic layer in direct contact with the other of the opposing major surfaces of the barrier layer.

Abstract: A light control film comprises a light input surface and a light output surface opposite the light input surface; alternating transmissive regions and absorptive regions disposed between the light input surface and the light output surface, wherein the absorptive regions comprise a core having a first concentration, C1, of a light absorbing material sandwiched between cladding layers having a second concentration, C2, of the light absorbing material, wherein C2<C1, and wherein the cores have an aspect ratio of at least 20.

Abstract: The disclosed patterned wavelength-selective material and process for making the patterned wavelength-selective material uses selectively located barriers to the adhesive regions. A structurally weak wavelength-selective material includes portions that contact the adhesive regions and break to remain in contact with the adhesive. The wavelength-selective material does not contact the adhesive regions covered by the barrier and is removed leaving a wavelength-selective film in a pattern at the adhesive regions.

Abstract: A transfer article (100) is provided. The transfer article (100) includes a release layer (110), wherein the release layer (110) comprises a metal layer or a doped semiconductor layer; a first acrylate layer (120) overlaying the release layer (110); and a function layer (130) overlaying the first acrylate layer (120); wherein a release value between the release layer (110) and the first acrylate layer (120) is from 2 to 50 g/inch.

Abstract: Described herein is a construction comprising a microsphere layer comprising a plurality of microspheres, wherein the microspheres comprise glass, ceramic, and combinations thereof; a bead bonding layer, wherein the plurality of microspheres is partially embedded in the bead bonding layer forming a first surface comprising exposed microspheres, wherein the plurality of microspheres on the first surface are truncated. Also disclosed herein are articles comprising the construction and methods of making thereof.

Abstract: A film including: a substrate; a first barrier layer on the substrate; a resin layer on the first barrier layer; wherein the resin layer includes a structured major surface and a plurality of features; a second barrier layer on the structured major surface of the first resin layer; and an adhesive layer on the second barrier layer, wherein the adhesive layer includes a structured major surface and a plurality of features.

Abstract: There is provided a barrier film including a barrier layer having two opposing major surfaces, wherein the barrier layer comprise buckling deformations and non-buckling regions; a first organic layer in direct contact with one of the opposing major surfaces of the barrier layer; a second organic layer in direct contact with the other of the opposing major surfaces of the barrier layer; and a substrate in direct contact with the first organic layer or the second organic layer.

Abstract: A light control film, comprises a light input surface and alight output surface opposite the light input surface. Alternating transmissive regions and absorptive regions are disposed between the light input surface and the light output surface. The absorptive regions have an aspect ratio of at least 30 and the alternating transmissive region and absorptive regions have a relative transmission at a viewing angle of 0 degrees of at least 75%.

Abstract: An article is provided. The article includes an acrylate layer; a substrate overlaying the acrylate layer; and an adhesive layer between the acrylate layer and the substrate, wherein the adhesive layer includes germanium; wherein a release value between the acrylate layer and the adhesive layer is more than 200 g/inch.

Abstract: A light control film is described comprising alternating transmissive regions and absorptive regions disposed between a light input surface and a light output surface. The absorptive regions have an aspect ratio of at least 30. In some embodiments, the alternating transmissive regions and absorptive regions have a transmission as measured with a spectrophotometer at a viewing angle of 0 degrees of at least 35, 40, 45, or 50% for a wavelength of the range 320-400 nm (UV) and/or at least 65, 70, 75, or 80% for a wavelength of the range 700-1400 nm (NIR). In another embodiment, the absorptive regions block light at the light input surface and light output surface and the maximum surface area that is blocked is less than 20% of the total alternating transmissive regions and absorptive regions. Also described are various optical communication systems comprising the light control films described herein and methods.

Abstract: The disclosed light directing article has an optical element and a conformal retarder with predefined thickness that contours with the optical element. In one aspect, the light directing article is a retroreflective article, which further comprises a phase reversing optical reflector.

Abstract: A retroreflective article including a binder layer and a plurality of retroreflective elements. Each retroreflective element includes a transparent microsphere partially embedded in the binder layer. At least some of the retroreflective elements include a reflective layer that is embedded between the transparent microsphere and the binder layer. At least some of the embedded reflective layers are localized reflective layers.

Abstract: A retroreflective article including a reflective-particle-containing binder layer and a plurality of retroreflective elements. Each retroreflective element includes a transparent microsphere partially embedded in the binder layer. At least some of the retroreflective elements comprise a primary reflective layer that covers a portion of the embedded surface area of the transparent microsphere, and a secondary reflective layer provided by portions of the reflective-particle-containing binder layer that are adjacent to portions of the embedded surface area of the transparent microsphere that are not covered by the primary reflective layer.

Abstract: A retroreflective article including a binder layer and a plurality of retroreflective elements. Each retroreflective element includes a transparent microsphere partially embedded in the binder layer. At least some of the retroreflective elements include a reflective layer that is a locally-laminated reflective layer that is embedded between the transparent microsphere and the binder layer. At least some of the locally-laminated reflective layers may be localized reflective layers.

Abstract: A film including: a resin layer including a first structured major surface and a second structured major surface, wherein the first structured major surface includes a plurality of microscale features and the second structured major surface includes a plurality of nanoscale features; and a barrier layer on the first or second structured major surface of the resin layer.

Abstract: Described herein is a construction comprising a microsphere layer comprising a plurality of microspheres, wherein the microspheres comprise glass, ceramic, and combinations thereof; a bead bonding layer, wherein the plurality of microspheres is partially embedded in the bead bonding layer forming a first surface comprising exposed microspheres, wherein the plurality of microspheres on the first surface are truncated. Also disclosed herein are articles comprising the construction and methods of making thereof.

Abstract: A multilayer magnetic sheet is described which comprises a plurality of stacked magnetic component layers separated by first electrically insulating layers. Each of the plurality of magnetic component layers comprises a plurality of isolated magnetic sublayers having a magnetic layer thickness of less than one micron. The multilayer magnetic sheet has a magnetic fraction between about 5% and about 80%; a total magnetic thickness of greater than or equal to 5 microns; and a relative composite permeability of greater than about 20.