The present invention provides a method for producing an optical film excellent in anti-fouling properties and scratch resistance as well as anti-reflection properties. The method includes the steps of: (1) applying a lower layer resin and an upper layer resin; (2) forming a resin layer having the uneven structure on a surface thereof by pressing a mold against the lower layer resin and the upper layer resin from the upper layer resin side in the state where the applied lower layer resin and upper layer resin are stacked; and (3) curing the resin layer, the lower layer resin containing at least one kind of first monomer that contains no fluorine atoms, the upper layer resin containing a fluorine-containing monomer and at least one kind of second monomer that contains no fluorine atoms, at least one of the first monomer and the second monomer containing a compatible monomer that is compatible with the fluorine-containing monomer and being dissolved in the lower layer resin and the upper layer resin.

Article comprising a first microstructured layer comprising a first material, and having first and second opposed major surfaces, the first major surface being a microstructured surface, and the microstructured surface having peaks and valleys, wherein the peaks are microstructural features each having a height defined by the distance between the peak of the respective microstructural feature and an adjacent valley; and a second layer comprising an adhesive material, and having a first and second opposed major surfaces, the adhesive material comprising a reaction product of a mixture comprising (meth)acrylate and epoxy in the presence of each other, wherein at least a portion of the second major surface of the second layer is directly attached to at least a portion of the first major microstructured surface of the first layer.

A method for producing a phase difference film is provided. The phase difference film includes an orientation layer formed of a resin C having a negative intrinsic birefringence value. The resin C contains a block copolymer having a block (A) including as a main component a polymerization unit A having a negative intrinsic birefringence value and a block (B) including as a main component a polymerization unit B, and a weight fraction of the block (A) therein being 50% by weight or more and 90% by weight or less. The phase difference film has an NZ factor of greater than 0 and smaller than 1. The method comprising: forming a single layer film of the resin C; and causing phase separation of the resin C in the film, which includes a step of applying to the film a stress along a thickness direction thereof.

A color conversion film and a manufacturing method thereof are provided. The manufacturing method includes following steps: forming a composite solution comprising of a first type polymer, a second type polymer, a color conversion material, and a first solvent into a film, wherein the first type polymer is selected from a group consisting of water-soluble polymers and oil-soluble polymers, and the second type polymer is selected from another group consisting of water-soluble polymers and oil-soluble polymers; and immersing the film in a second solvent to remove the second type polymer.

An object of the present invention is to provide an optical material having a visual confirmation effect due to higher directivity of light reflection than a conventional optical material. The present invention provides a laminate having a multilayer laminated film in which 11 or more layers of a plurality of different thermoplastic resins are alternately laminated, wherein, with respect to light in a wavelength range of 400 to 700 nm and that is perpendicularly incident on an outer surface of the multilayer laminated film, the laminate has an average transmittance in the above wavelength range of 50% or more, and when average reflectances in a wavelength range of 400 to 700 nm with respect to S-wave light in the wavelength range, incident at angles of 20° and 70° with respect to the normal line of the outer surface of the film at azimuths ϕ.sub.n (n: 1 to 5), are given as Rs20(ϕ.sub.n) and Rs70(ϕ.sub.n), respectively, the laminate satisfies, at at least one azimuth ϕ.sub.n:

Rs70(ϕ.sub.n)−Rs20(ϕ.sub.n)≥50(%).

The present invention provides a polymerizable composition containing a specific polymerizable compound and a fluorosurfactant having, in its molecule, a pentaerythritol skeleton or a dipentaerythritol skeleton. The invention also provides an optically anisotropic body, a retardation film, an antireflective film, and a liquid crystal display device that are produced using the polymerizable composition of the present invention. The present invention is useful because, when an optically anisotropic body is produced by photo-polymerization of the polymerizable composition, three features including the leveling properties of the surface of the optically anisotropic body, offset onto the substrate, and liquid crystal alignment can be improved simultaneously.

The present invention provides a method for producing an optical film excellent in anti-fouling properties and scratch resistance as well as anti-reflection properties. The method includes the steps of: (1) applying a lower layer resin and an upper layer resin; (2) forming a resin layer having the uneven structure on a surface thereof by pressing a mold against the lower layer resin and the upper layer resin from the upper layer resin side in the state where the applied lower layer resin and upper layer resin are stacked; and (3) curing the resin layer, the lower layer resin containing at least one kind of first monomer that contains no fluorine atoms, the upper layer resin containing a fluorine-containing monomer and at least one kind of second monomer that contains no fluorine atoms, at least one of the first monomer and the second monomer containing a compatible monomer that is compatible with the fluorine-containing monomer and being dissolved in the lower layer resin and the upper layer resin.

Diffuser Elms may include a substrate and a plurality of diffusing particles uniformly distributed in the substrate. An absolute value of a difference between a refractive index of the diffusing particles and a refractive index of the substrate is less than or equal to 0.25, a diameter of the diffusing panicles ranges from 1 μm to 6 μm, and a weight percentage of the diffusing particles in the substrate ranges from 1‰ to 12‰, such that both a light transmittance and a haze of the diffuser film are greater than 80%.

Provided are a reflective sheet including a cholesteric liquid crystal layer and having excellent reflection wavelength range, diffuse reflectivity, reflectivity, hardness, and scratch resistance; and a transfer film for a reflective sheet that is used for the reflective sheet. The reflective sheet includes a substrate, an adhesive layer, a cholesteric liquid crystal layer, and a hard coat layer in this order, in which in a cross-section of the cholesteric liquid crystal layer observed, at least a part of bright portions and dark portions has a flapping structure, the cholesteric liquid crystal layer has a pitch gradient structure in which a helical pitch changes in a thickness direction, and the helical pitch on the adhesive layer side is larger than that on the hard coat layer side.

Materials and methods useful in forming nano-scale features on substrates, and articles such as optical films incorporating such nano-scale patterned substrates.