Patent application number | Description | Published |
20130052457 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR OPTICAL FILM, PRESSURE-SENSITIVE ADHESIVE LAYER FOR OPTICAL FILM, PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM, AND IMAGE DISPLAY DEVICE - An aqueous dispersion-type pressure-sensitive adhesive composition for an optical film of the invention includes a emulsion particles of a core-shell structure, wherein the emulsion particles include a (meth)acryl-based copolymer (A) having a glass transition temperature of −55° C. to 0° C. and a (meth)acryl-based copolymer (B) having a glass transition temperature of 0° C. to 180° C., in a single emulsion particle, one of the copolymers (A) and (B) forms a core layer, and another forms a shell layer, at least one of the copolymers (A) and (B) contains a carboxyl group-containing monomer, a difference of the glass transition temperatures between the copolymers (A) and (B) is 50° C. or more, and a ratio (A)/(B) (by weight) is in the range of 50/50 to 90/10. The above composition can form a pressure-sensitive adhesive layer which is prevented from peeling in a moist environment and also prevented from peeling over time after taken out of a high-temperature moist environment. | 02-28-2013 |
20130128357 | THIN POLARIZING FILM, OPTICAL LAMINATE WITH THIN POLARIZING FILM, AND PRODUCTION METHOD FOR THIN POLARIZING FILM - The present invention provides a thin polarizing film which has only a small environmental load and has excellent optical characteristics. | 05-23-2013 |
20130135725 | METHOD OF PRODUCING THIN POLARIZING FILM - The present invention provides a method of producing a thin polarizing film having excellent optical characteristics. | 05-30-2013 |
20130149546 | METHOD OF MANUFACTURING POLARIZING FILM - A method of manufacturing a polarizing film according to an embodiment of the present invention includes forming a polyvinyl alcohol-based resin layer on a thermoplastic resin substrate having a crystallinity of 7% or less to produce a laminate and subjecting the laminate to a wet treatment followed by a drying treatment with a heat roll. | 06-13-2013 |
20130160938 | ADHESIVE OPTICAL FILM, MANUFACTURING METHOD FOR THE SAME AND IMAGE DISPLAY DEVICE USING THE SAME - A pressure-sensitive adhesive optical film of the invention comprises an optical film and a pressure-sensitive adhesive layer provided on the optical film, wherein the pressure-sensitive adhesive layer has a thickness (μm) standard deviation of 0.12 μm or less. The pressure-sensitive adhesive optical film makes it possible to reduce the problem of visible unevenness caused by a pressure-sensitive adhesive layer. | 06-27-2013 |
20130216805 | ADHESIVE OPTICAL FILM, MANUFACTURING METHOD FOR THE SAME AND IMAGE DISPLAY DEVICE USING THE SAME - A pressure-sensitive adhesive optical film of the invention comprises an optical film and a pressure-sensitive adhesive layer provided on the optical film, wherein the pressure-sensitive adhesive layer has a thickness (μm) standard deviation of 0.12 μm or less. The pressure-sensitive adhesive optical film makes it possible to reduce the problem of visible unevenness caused by a pressure-sensitive adhesive layer. | 08-22-2013 |
20130249129 | METHOD OF MANUFACTURING POLARIZING PLATE - The present invention provides a method of manufacturing a polarizing plate having sufficient heat resistance, without deteriorating the dye-affinity and the like of the polarizing film and without the necessity of transferring or detaching the polarizing film. Provided is a method of manufacturing a polarizing plate ( | 09-26-2013 |
20130280529 | ADHESIVE COMPOSITION FOR OPTICAL FILMS, ADHESIVE LAYER FOR OPTICAL FILMS, PRESSURE-SENSITIVE ADHESIVE LAYER-CARRYING OPTICAL FILM, AND IMAGE DISPLAY DEVICE - A pressure-sensitive adhesive composition for use on an optical film, includes a (meth)acryl-based polymer obtained by copolymerization of 30 to 98.9% by weight of an alkyl(meth)acrylate, 1 to 50% by weight of an aromatic ring-containing polymerizable monomer, and 0.1 to 20% by weight of a hydroxyl group-containing monomer, and a solvent. The (meth)acryl-based polymer is free of any carboxyl group-containing monomer unit and has a weight average molecular weight of 300,000 to 1,200,000 as measured by gel permeation chromatography. The content of a solid including the (meth)acryl-based polymer is 20% by weight or more, and the content of the solvent is 80% by weight or less. | 10-24-2013 |
20130288048 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR USE ON AN OPTICAL FILM, PRESSURE-SENSITIVE ADHESIVE LAYER, PRESSURE-SENSITIVE ADHESIVE LAYER-CARRYING OPTICAL FILM, AND IMAGE DISPLAY DEVICE - A pressure-sensitive adhesive composition for use on an optical film, includes a (meth)acryl-based polymer obtained by copolymerization of 30 to 98.9% by weight of an alkyl(meth)acrylate, 1 to 50% by weight of an aromatic ring-containing polymerizable monomer, 0.1 to 20% by weight of a hydroxyl group-containing monomer, and 0 to 4% by weight of a carboxyl group-containing monomer, and a solvent. The (meth)acryl-based polymer has a weight average molecular weight of 300,000 to 1,200,000 as measured by gel permeation chromatography. The content of a solid including the (meth)acryl-based polymer is 20% by weight or more, and the content of the solvent is 80% by weight or less. | 10-31-2013 |
20130293949 | ADHESIVE COMPOSITION CURABLE WITH ACTIVE ENERGY RAY, POLARIZING PLATE, OPTICAL FILM, AND IMAGE DISPLAY DEVICE - An adhesive composition curable with an active energy ray includes radical polymerizable compounds (A), (B) and (C) as curable components. The composition includes the radical polymerizable compound (A) having an SP value of 29.0 to 32.0 (kJ/m | 11-07-2013 |
20140085722 | POLARIZING FILM WITH ADHESIVE LAYER AND IMAGE DISPLAY APPARATUS - A pressure-sensitive adhesive layer-attached polarizing film of the present invention includes a polarizing film and a pressure-sensitive adhesive layer provided on the polarizing film, wherein the polarizing film includes a polarizer with a thickness of 10 μm or less and a transparent protective film or films provided on one or both sides of the polarizer, and the pressure-sensitive adhesive layer is formed from a pressure-sensitive adhesive composition containing a (meth)acryl-based polymer (A) and an ionic compound (B). The pressure-sensitive adhesive layer-attached polarizing film has an antistatic function and exhibits durability. | 03-27-2014 |
20140130955 | ADHESIVE OPTICAL FILM, MANUFACTURING METHOD FOR THE SAME AND IMAGE DISPLAY DEVICE USING THE SAME - A pressure-sensitive adhesive optical film of the invention comprises an optical film and a pressure-sensitive adhesive layer provided on the optical film, wherein the pressure-sensitive adhesive layer has a thickness (μm) standard deviation of 0.12 μm or less. The pressure-sensitive adhesive optical film makes it possible to reduce the problem of visible unevenness caused by a pressure-sensitive adhesive layer. | 05-15-2014 |
20140248465 | LAMINATE AND METHOD OF PRODUCING LAMINATE - A laminate according to an embodiment of the present invention includes: a resin substrate; a polyvinyl alcohol-based resin layer formed on one side of the resin substrate; and an antistatic layer formed on another side of the resin substrate and comprising a binder resin and a conductive material. The antistatic layer has a fine uneven surface; and the fine uneven surface includes protrusions having an average height of 25 nm or more and a softening temperature of 150° C. or more. | 09-04-2014 |