Abstract: An optical film, is provided, the optical film including: a support; and at least one antiglare layer having a surface that has asperities, wherein the at least one antiglare layer contains at least one kind of light transmitting particles including first light transmitting particles in an amount of 0.01 to 1 mass % based on a total solid content in the antiglare layer, the first light transmitting particles have an average particle size that is 0.1 to 4.0 ?m greater than an average thickness of the antiglare layer, and a region ?(0.5) in which slope angles ? of the asperities of the surface of the antiglare layer lie within a range of 0°<?<0.5° constitutes 40% to 98% of the surface of the antiglare layer.

Abstract: An antiglare film is provided and includes: a transparent support; and an antiglare layer containing a binder and a light-transmitting fine particle. The light-transmitting fine particle has an average particle diameter of 3 to 15 ?m, the antiglare layer has an average thickness smaller than the average particle diameter of the light-transmitting fine particle by 0.1 to 2.0 ?m, the antiglare layer contains the light-transmitting fine particle in an amount of 1.0 to 3.0 weight % based on all solid contents of the antiglare layer. The antiglare layer has a surface having a ?(1) of 60 to 98.5%, wherein the ?(1) is a ratio of a surface region of 0°???1° in the surface when ? represents a tilt angle of an irregularity on the surface.

Abstract: An antiglare film is provided, the antiglare film including: a support; and an antiglare layer including a surface that has asperities, wherein the antiglare layer contains at least first light-transmitting particles and second light-transmitting particles, the first light-transmitting particles have an average particle size that is 0.01 to 2.5 ?m greater than an average thickness of the antiglare layer, the second light-transmitting particles have an average particle size that is at least 0.1 ?m smaller than the average thickness of the antiglare layer, the first light-transmitting particles are contained in an amount of 0.1 to 2 mass % based on a total solid content in the antiglare layer, the second light-transmitting particles are contained in an amount of 2 to 30 mass % based on the total solid content in the antiglare layer, and the second light-transmitting particles include organic polymer-containing particles each of which has a core particle/shell layer structure.

Abstract: An antiglare film is provided, the antiglare film including: a transparent support; and an antiglare layer, wherein the antiglare layer contains a light-transmitting resin particle, a light-transmitting resin and a copolymerization product having an amine value of 1 to 30 mgKOH/g, and the average particle diameter of the light-transmitting resin particle is from 6 to 20 ?m.

Abstract: A hardcoat film is provided, the hardcoat film including: a cellulose acylate film containing at least a base layer and a surface layer; and a hardcoat layer disposed at a surface layer side of the cellulose acylate film, wherein the surface layer contains inorganic oxide fine particles and a cellulose acylate, the surface layer has a refractive index of from 1.49 to 1.56 and an average film thickness of from 50 to 130 nm, and the hardcoat film satisfies formula (I): 0.98<(nH×nC)1/2/nS<1.02??Formula (I) where nH represents a refractive index of the hardcoat layer; nS represents a refractive index of the surface layer; and nC represents a refractive index of the cellulose acylate film other than the surface layer.

Abstract: An antiglare film includes: a transparent support; and an antiglare layer containing a light-transmitting particle and a light-transmitting resin, wherein the light-transmitting particle has a structure including a core particle and a shell layer, each of the core particle and the shell layer contains an organic polymer, the shell layer has a thickness of from 10 to 2,000 nm, the core particle has a refractive index of from 1.54 to 1.65, and the shell layer has a refractive index of from 1.46 to 1.53.

Abstract: Provided is a transparent support including a light-transmitting particle having an average particle diameter of 6 to 20 ?m, wherein the transparent support has a thickness of from 20 to 200 ?m, the light-transmitting particle is contained in a ratio of 0.5 to 20 mass % based on entire solid content in the transparent support, and the transparent support has an arithmetic average roughness (Ra) of 0.05 ?m or less.

Abstract: Provided is an optical film including a transparent support; and an antiglare layer that comprises a light-transmitting resin and at least two kinds of light-transmitting particles, wherein the antiglare layer has a thickness of from 10 ?m to 15 ?m, each kind of the at least two kinds of light transmitting particles has an average particle size of from 7 ?m to 15 ?m, each kind of the at least two kinds of light transmitting particles has a refractive index different from a refractive index of the light-transmitting resin by from 0.001 to 0.050 in absolute value, and a total amount of the at least two kinds of light-transmitting particles are from 15 to 40 mass % based on all solid contents in the antiglare layer.

Abstract: An optical film includes: a transparent substrate; and an antiglare layer containing a light transmissive resin and a first light transmissive particle, and having a thickness of from 8 to 15 ?m, wherein the first light transmissive particle has a particle size of from 5.5 to 10 ?m and a refractive index of from 1.55 to 1.58, and a ratio of the particle size of the first light transmissive particle to the thickness of the antiglare layer is from 0.30 to 0.75.

Abstract: An antiglare film includes a transparent support; and an antiglare layer containing a binder and a fine particle, wherein the antiglare layer has an average thickness smaller than an average particle diameter of the fine particle, and the antiglare layer has a surface roughness skewness (Rsk) of from 0.5 to 1.5.

Abstract: An antireflection film includes, in a following order, a transparent substrate film; a medium refractive index layer; a high refractive index layer; and a low refractive index layer, wherein the medium refractive index layer is (A) a medium refractive index layer having a refractive index of 1.60 to 1.64 at a wavelength of 550 nm and a thickness of 55.0 to 65.0 nm, the high refractive index layer is (B) a high refractive index layer having a refractive index of 1.70 to 1.74 at a wavelength of 550 nm and a thickness of 105.0 to 115.0 nm, and the low refractive index layer is (C) a low refractive index layer having a refractive index of 1.32 to 1.37 at a wavelength of 550 nm and a thickness of 85.0 to 95.0 nm.

Abstract: An optical film includes a filmy support that includes a polymer having all alicyclic structure; an ultraviolet absorbing layer; and a hardcoat layer, wherein the ultraviolet absorbing layer has a beam transmittance of 5% or less in a wavelength region of 200 to 340 nm and includes at least one ultraviolet absorbent selected from the group consisting of a metal oxide fine particle and a polymer particle.

Abstract: An optical film comprises: a transparent support; and a hardcoat layer comprising a heat- and/or ionizing radiation-curable resin and an organic resin particle having a refractive index of 1.60 or more, wherein a percentage change in an entire beam transmittance between before and after the optical film is exposed to an environment at a temperature of 80° C. and a relative humidity of 90% for 500 hours is 5% or less.

Abstract: An optical film including: a transparent support; at least one hardcoat layer containing a light-transparent resin; and at least one light-transparent organic resin particle, wherein the light-transparent organic resin particle has a refractive index being higher than a refractive index of the hardcoat layer, and a difference between the refractive index of the light-transparent organic resin particle and the refractive index of the hardcoat layer is 0.10 or more.

Abstract: An oil-in-water type emulsion coating composition having an aqueous phase and an oil phase, the oil-in-water type emulsion coating composition containing: an active energy ray-curable polyfunctional (meth)acrylate having three or more (meth)acryloyl groups within a molecule; and an organic solvent, in the oil phase, the organic solvent having a solubility of 30 g or less in 100 g of water and having a property capable of swelling or dissolving a substrate.

Abstract: A light-scattering film is provided and includes a transparent support having thereon at least a light-scattering layer. When substantially parallel light is incident on a surface of the film at an incident angle of 5°, the reflectance for an angle ? in the light-receiving part measured in a plane containing the film normal line and the incident direction is R(?), the value obtained by normalizing R(?) by the reflectance of regular reflection is Rrel(?), and the value calculated from the maximum variation |dRrel(?)/d?|max for the angle ? is a scattering coefficient A (formula 1), the reflection coefficient B (formula 2) calculated from the scattering coefficient A and the 5° specular reflectance Rs is from 2.0 to 5.0. Scattering coefficient A=1/(10×|dRrel(?)/d?|max)??(Formula 1) Reflection coefficient B=2.2×log 10(Rs)?7.5×log 10(A)+5.

Abstract: A method for producing an optical film is provided and includes: simultaneously coating at least two coating solutions over a transparent support, the at least two coating solutions each containing a solvent and a solute; and drying the solvent in each of the at least two coating solutions to provide at least two coating layers. When the at least two coating layers are 1, 2, . . . n?1 and n layers in sequence from the outermost surface of the at least two coating layers toward the transparent support, n being an integer of 2 or more, the main component of the solute in the n-th layer is insoluble or sparingly soluble in the main component of the solvent in the (n?1)-th layer.

Abstract: An optical film, which comprises: a transparent support; and an optical layer on or above the transparent support, wherein the optical layer contains a thickening agent which shows a viscosity of 10 mPa·sec or more when added to 2-butanone in a content of 3% by mass, and the optical layer has a thickness of 5 ?m or more.

Abstract: An optical film is provided and includes: a transparent support; and a light diffusion layer containing light-transmitting particles and a binder. The light diffusion layer has an average thickness of from 7.5 to 30 ?m, and the average thickness of the light diffusion layer is from 1.4 to 3.5 times as large as an average particle diameter of the light-transmitting particles.

Abstract: An optical film comprising a transparent support and a light scattering layer, wherein the light scattering layer contains at least two translucent particles including first translucent particles and second translucent particles in a matrix of the light scattering layer, the first translucent particles have an average particle size of larger than 5 ?m and not more than 15 ?m, and the second translucent particles have an average particle size of 0.5 ?m or more and not more than 5 ?m, in which a difference between a refractive index of the second translucent particles and a refractive index of the matrix is 0.04 or more, and the light scattering layer has a thickness of from 8 to 30 ?m.