Patent application number | Description | Published |
20100027117 | Hardcoat film, production method of hardcoat film, antireflection film, polarizing plate and display device - 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): | 02-04-2010 |
20100245715 | METHOD OF MAKING ANTIGLARE FILM, ANTIGLARE FILM, POLARIZING PLATE, IMAGE DISPLAY DEVICE, AND TRANSMISSIVE/SEMI-TRANSMISSIVE LIQUID CRYSTAL DISPLAY - In a method for making an antiglare film including the casting, the releasing, the drying, the applying and the curing as defined herein, the transparent particles have an average primary particle size of greater than 2.5 μm and not greater than 12 μm, the transparent base has on at least one side thereof flat portions substantially parallel to a film-forming plane and rounded protrusions arising from the transparent particles, the protrusions having a maximum height Rt from the flat portions of from 1 to 15 μm, and the cured layer has an average thickness of from 1 to 15.0 μm and a surface profile with an arithmetic average roughness Ra, a mean spacing between peaks Sm, and an average slope θa, all as measured in accordance with JIS B0601, satisfying the relationships (1) to (3) as defined herein. | 09-30-2010 |
20110244218 | Coating composition, optical film, polarizing plate, and image display apparatus - A coating composition is provided and includes: (a) inorganic particles having an average particle size of 1 to 100 nm; (b) an ionizing radiation-curing material for forming a binder; (c) a photopolymerization initiator; and (d) an organic solvent. The coating composition preferably includes a monomer having at least two hydroxyl groups per molecule in a mass fraction of 0.1 to 3.0 mass % relative to the total solid content of the composition. | 10-06-2011 |
20120082855 | Optical film, polarizing plate, image display device, and method for manufacturing optical film - An optical film contains a transparent base material having thereon a hard coat layer formed of a hard coat layer forming composition containing the specific components, wherein a refractive index of the hard coat layer is 1.45 or more and not more than 1.55; and in the hard coat layer forming composition, a content of the component (a) is a content of the component (b) or more. | 04-05-2012 |
20120082863 | Optical film, polarizing plate, image display, and manufacturing method of optical film - An optical film includes: a transparent base material; and a hard coat layer with a refractive index of 1.45 to 1.55, which is formed of a composition containing the following (a), (b) and (c): (a) a compound having two or less functional groups in one molecule, having a mass average molecular weight Mwa satisfying 4004-05-2012 | |
Patent application number | Description | Published |
20080239488 | ANTIREFLECTION FILM, POLARIZING PLATE AND IMAGE DISPLAY DEVICE - 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. | 10-02-2008 |
20080247045 | ANTIGLARE FILM, POLARIZING PLATE AND IMAGE DISPLAY DEVICE - 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. | 10-09-2008 |
20090087617 | ANTIREFLECTION FILM, POLARIZING PLATE, IMAGE DISPLAY DEVICE AND PRODUCTION METHOD OF TRANSPARENT SUPPORT FOR ANTIREFLECTION FILM - An antireflection film includes: a transparent support that contains first fine particles; and a hardcoat layer on or above the transparent support, wherein the transparent support has irregularities formed by the first fine particles having an average primary particle diameter of 3 to 12 μm, and a thickness of the hardcoat layer is from 3 to 15 μm. | 04-02-2009 |
20090091835 | OPTICAL FILM, POLARIZING PLATE, AND IMAGE DISPLAY APPARATUS - An optical film includes, in the following order, a support; an antiglare layer having an uneven surface; a high refractive index layer; and a low refractive index layer, wherein an arithmetic average roughness (Ra) of the optical film is: 0.03 μm04-09-2009 | |
20090244703 | TRANSPARENT SUPPORT, OPTICAL FILM, POLARIZING PLATE AND IMAGE DISPLAY DEVICE - Provided is a transparent support including a light-transmitting particle having an average particle diameter of 6 to 20 μm, wherein the transparent support has a thickness of from 20 to 200 μm, 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 μm or less. | 10-01-2009 |
20100021694 | ANTIREFLECTIVE FILM, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE - An antireflective film is provided, the antireflective film including: a transparent support; and at least one low refractive index layer, wherein the low refractive index layer is formed from a composition containing at least following (A) to (C): (A) a fluorine-containing antifouling agent having at least one polymerizable unsaturated group; (B) a fluorine-containing copolymer having at least one polymerizable unsaturated group; and (C) inorganic fine particles. | 01-28-2010 |
20100079867 | OPTICAL FILM, POLARIZING PLATE AND IMAGE DISPLAY APPARATUS - 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 μm greater than an average thickness of the antiglare layer, and a region θ(0.5) in which slope angles θ of the asperities of the surface of the antiglare layer lie within a range of 0°<θ<0.5° constitutes 40% to 98% of the surface of the antiglare layer. | 04-01-2010 |
20100079869 | ANTIGLARE FILM, ANTIREFLECTIVE FILM, POLARIZING PLATE AND IMAGE DISPLAY DEVICE - 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 μm 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 μm 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. | 04-01-2010 |
20110217452 | OPTICAL FILM, POLARIZING PLATE, IMAGE DISPLAY, AND MANUFACTURING METHOD OF OPTICAL FILM - An optical film is provided and includes: a support; a hard coat layer formed by hardening a hard coat layer-coating composition; and a overcoat layer formed by hardening an overcoat layer-coating composition, in this order. Each of the hard coat layer-coating composition and the overcoat layer-coating composition contains a compound having a plurality of polymerizable functional groups in one molecule, and the compound in the overcoat layer-coating composition contains a compound having at least three polymerizable functional groups. | 09-08-2011 |
20110256312 | OPTICAL FILM, ANTI-REFLECTION FILM, POLARIZING PLATE AND IMAGE DISPLAY DEVICE - 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 μm or more. | 10-20-2011 |