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Hisamitsu Kameshima, Tokyo JP

Hisamitsu Kameshima, Tokyo JP

Patent application numberDescriptionPublished
20080212005Antiglare film - An antiglare film is disclosed comprising a transparent substrate and an antiglare layer including a binder matrix and a particle, wherein center line average roughness Ra of a surface of an antiglare film which surface is on an antiglare layer side among both sides of an antiglare film is 0.06-0.17 μm, wherein reflectivity of 5° angle of the surface is 2.4-4.4%, and wherein difference in refractive index between the binder matrix and the particle is equal to or less than 0.07.09-04-2008
20080212190ANTIGLARE FILM - An antiglare film is disclosed including a transparent substrate; and an antiglare layer including a binder matrix and a particle, wherein reflectivity of 5° angle of a surface of the antiglare film which surface is in the antiglare layer side among both sides of the antiglare film is 2.4-4.4%, wherein image clarity (C09-04-2008
20080213513Antiglare film - The present invention includes an antiglare film including an antiglare layer which layer includes a silica particle and a binder matrix, wherein refractive index of the silica particle is 1.46-1.50, wherein the silica particle is an amorphous silica which includes an aggregate of fine silica particles, wherein average particle diameter of the silica fine particles is 0.003-0.1 μm, wherein average particle diameter of the silica particle is 1.0-3.0 μm, wherein the binder matrix is formed by curing a binder matrix curable material with ionizing radiation, and wherein the binder matrix curable material includes trifunctional acrylic monomer and tetrafunctional acrylic monomer of 80 part by weight or more based on a binder matrix forming material of 100 part by weight.09-04-2008
20080316602Antiglare film - An antiglare film comprises a transparent substrate; and an antiglare layer on the transparent substrate, the layer including a binder matrix, organic particle A and organic particle B having an average particle diameter smaller than an average particle diameter of particle A, organic particle A and organic particle B dispersed in the binder matrix. An antiglare film having of the present invention can have the following features: good antiglare property; no white blur; high abrasion resistant property; less dazzling; and not whitened.12-25-2008
20090002832Antiglare film and transmissive liquid crystal display - An antiglare film satisfies both (1) high antiglare property in the front direction and (2) absence of white blurring. One embodiment of the invention is an antiglare film provided with an antiglare layer on a transparent substrate, wherein the antiglare layer has a rugged structure on the surface opposite to the transparent substrate; the 5° reflectance of the antiglare film surface on the antiglare layer side is in a range of from 0.30% to 0.70%; the antiglare film surface on the antiglare layer side is provided with a rugged structure having arithmetic average roughness (Ra01-01-2009
20090059377Antiglare Film - An antiglare film includes an antiglare layer having particles and a binder matrix on a transparent base material. An antiglare film surface on the antiglare layer side has a concave-convex structure with a ten-point average roughness (Rz03-05-2009
20090080080Antiglare Film and Coating Liquid for Forming Antiglare Layer - An antiglare film in which an antiglare layer containing particles and a binder matrix obtained by curing a material curable with ionizing radiation is directly provided on a triacetyl cellulose film. The antiglare layer is formed by a process of directly coating a coating liquid for forming an antiglare layer that contains at least the particles, the material curable with ionizing radiation, and a solvent on the triacetyl cellulose film and forming a coating film on the triacetyl cellulose film, a process of drying the coating film, and a process of curing the coating film by ionizing radiation. A haze difference (Hz(T)−Hz(P)) between a haze value (Hz(T)) of the antiglare layer formed on the triacetyl cellulose film and a haze value (Hz(P)) of an antiglare layer directly formed on a polyethylene terephthalate film by using the coating liquid for forming an antiglare layer under the same conditions as the antiglare layer formed on the triacetyl cellulose film is 1.3% or more to 3.2% or less.03-26-2009
20090096972Antiglare Film - An antiglare film includes an antiglare layer having a binder matrix, and particles A and particles B therein on a transparent substrate. A difference in density between the particles A and particles B is 0.2 g/cm04-16-2009
20090244708Antiglare Film - This invention provides an antiglare film which has high antiglare property and show little white-blurring. An embodiment of the present invention is an antiglare film having a binder matrix and particles on a transparent substrate. The binder matrix is an acrylic material. The particles are made of a copolymer of styrene and methyl methacrylate. The copolymerization ratio by weight of the styrene and methyl methacrylate is in the styrene:methacrylic acid=60:40 to 80:20 range. In addition, a quotient R/H, which is obtained by dividing an average diameter of the particles (R) by the average thickness of the antiglare layer (H), is in the 0.45-0.65 range. Moreover, a quotient w10-01-2009