Patent application number | Description | Published |
20090244474 | DEPOLARIZING FILM, METHOD FOR PRODUCTION THEREOF, OPTICAL FILM, AND LIQUID CRYSTAL DISPLAY - A depolarizing film of the present invention comprises a film containing at least one liquid crystal compound, wherein the liquid crystal compound comprises a liquid crystal compound ( | 10-01-2009 |
20100079862 | POLARIZING FIBER, POLARIZER, POLARIZING PLATE, LAMINATED OPTICAL FILM, AND IMAGE DISPLAY - As the polarizing fiber of the present invention, the cross sectional form perpendicular to the longitudinal direction has a sea-island structure, and the cross sectional form is continuously made up in the longitudinal direction. A resin (sea component) that constitutes the sea region of the sea-island structure comprises a dichroic dye, and a resin (island component) that constitutes the island regions of the sea-island structure is a transparent resin. | 04-01-2010 |
20120229735 | LIQUID CRYSTAL DISPLAY, LAMINATED POLARIZING PLATE AND POLARIZED LIGHT SOURCE DEVICE - This invention relates to a transmissive liquid crystal display including a light source (BL), a reflective linearly-polarizing layer (Pr | 09-13-2012 |
20120281279 | METHOD OF PRODUCING POLARIZING FILM - The present invention provides a method of producing a polarizing film having excellent optical characteristics. | 11-08-2012 |
20120300299 | PRESSURE-SENSITIVE ADHESIVE LAYER-ATTACHED POLARIZING FILM AND IMAGE DISPLAY - A pressure-sensitive adhesive layer-attached polarizing film of the invention includes: a polarizing film; and a pressure-sensitive adhesive layer provided on the polarizing film, wherein the polarizing film includes a polarizer and a transparent protective film provided on only one side of the polarizer, the pressure-sensitive adhesive layer is provided on a side of the polarizer where the transparent protective film is absent, and the pressure-sensitive adhesive layer is made of a pressure-sensitive adhesive composition containing a (meth)acryl-based polymer (A) and an alkali metal salt (B). The pressure-sensitive adhesive layer-attached polarizing film has a pressure-sensitive adhesive layer with an antistatic function and satisfactory durability and whose optical properties are less likely to be degraded. | 11-29-2012 |
20120307179 | LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus according to an embodiment of the invention includes: a liquid crystal cell; polarizing plates placed on both sides of the liquid crystal cell; a light diffusing element provided outside of the polarizing plate on a viewer side; and a backlight unit provided outside of the polarizing plate on an opposite side of the viewer side. The backlight unit includes a collimated light source device that emits collimated light having a brightness half-value angle of 3° to 35° toward the liquid crystal cell, and a ratio Fw(BL)/Fw(FD) between a diffused light half-value angle Fw(FD) of the light diffusing element and the brightness half-value angle Fw(BL) of the collimated light is 0.5 or less. | 12-06-2012 |
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 |
20130242236 | OPTICAL LAMINATE AND LIQUID CRYSTAL DISPLAY DEVICE - There is provided an optical laminate which comprises: a polarizing film wherein a thin polarizing layer is laminated on one main surface of a substrate; and an optical element (lens array). The thin polarizing layer has a thickness of 8 μm or less. The substrate has a thickness of 20 μm to 80 μm. The optical element is a pattern retardation plate including a plurality of regions having different slow axis directions. | 09-19-2013 |
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 |
20140065364 | RESIN FILM AND METHOD OF PRODUCING RESIN FILM - A resin film according to an embodiment of the present invention includes: a substrate film; and an antistatic layer formed on one side of the substrate film and including a binder resin and a conductive material. The binder resin includes a polyurethane-based resin; the antistatic layer has an arithmetic average surface roughness Ra of 10 nm or more; and the conductive material includes a conductive polymer. | 03-06-2014 |
20140065429 | 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 binder resin includes a polyurethane-based resin; the antistatic layer has an arithmetic average surface roughness Ra of 10 nm or more; and the conductive material includes a conductive polymer. | 03-06-2014 |
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 |
20140125925 | OPTICAL LAMINATED BODY, OPTICAL LAMINATED BODY SET, AND LIQUID CRYSTAL PANEL USING OPTICAL LAMINATED BODY OR OPTICAL LAMINATED BODY SET - There is provided an optical laminate that significantly suppresses the warping of a liquid crystal panel and can realize high contrast. An optical laminate of the present invention includes: a polarizing film having a thickness of 10 μm or less; and a reflective polarization film. A liquid crystal panel of the present invention includes: a liquid crystal cell; and the optical laminate of the present invention. According to another aspect of the present invention, an optical laminate set is provided. The optical laminate set includes: a first optical laminate that is the optical laminate of the present invention as described above; and a second optical laminate including a polarizing film having a thickness larger than the thickness of the polarizing film of the first optical laminate by 5 μm or more. | 05-08-2014 |
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 |
20140139919 | METHOD OF MANUFACTURING POLARIZING PLATE - A method of manufacturing a polarizing plate according to an embodiment of the present invention includes: stretching and dyeing a laminate having a resin substrate and a polyvinyl alcohol-based resin layer formed on at least one side of the resin substrate to produce a polarizing film on the resin substrate; laminating an optically functional film on the laminate on a polarizing film side to produce an optically functional film laminate; and peeling the resin substrate from the optically functional film laminate. The peeling is performed so that an angle α formed between a surface of the optically functional film laminate immediately before the peeling and a peeling direction of the resin substrate is smaller than an angle β formed between the surface of the optically functional film laminate immediately before the peeling and a peeling direction of the polarizing film. | 05-22-2014 |
20140285887 | METHOD OF PRODUCING POLARIZING PLATE - A method of producing a polarizing plate according to an embodiment of the present invention includes: stretching and dyeing a laminate including a resin substrate and a polyvinyl alcohol-based resin layer formed on one side of the resin substrate to produce a polarizing film on the resin substrate; laminating a first protective film on the polarizing film on an opposite side to the resin substrate; and peeling the resin substrate, followed by laminating a second protective film on the polarizing film on a side from which the resin substrate has been peeled. The laminating of at least one of the first protective film and the second protective film is performed through an adhesive having a moisture content of 10% or less. | 09-25-2014 |
20150070763 | POLARIZING FILM, METHOD OF MANUFACTURING POLARIZING FILM, AND IMAGE DISPLAY APPARATUS USING THE POLARIZING FILM - There is provided a polarizing film that is excellent in external appearance and can contribute to the improvement of the display characteristics of an image display apparatus. polarizing film according to an embodiment of the present invention includes a polyvinyl alcohol-based resin film containing iodine. The polarizing film has a ratio I | 03-12-2015 |