Patent application number | Description | Published |
20080284957 | Optical Resin Film, Optical Compensation Sheet, Polarizing Plate and Liquid Crystal Display - An optical resin film is provided, in which a wavelength dispersion of a retardation in planar direction and a wavelength dispersion of a retardation in thickness direction are independently controlled, is provided and has at least an additive having a negative intrinsic birefringence. | 11-20-2008 |
20090021671 | Cellulose Acylate Film, Method for Producing Cellulose Acylate Film, Polarizing Plate and Liquid Crystal Display Device - A method for producing a cellulose acylate film containing an additive comprising an aliphatic compound, the method contains a process of thermal shrinkage treatment at an atmospheric temperature higher than the glass transition temperature (Tg) in the state where at least one of the transverse direction and the machine direction of the film is free, and a cellulose acylate film obtained by the above method. | 01-22-2009 |
20090021673 | Liquid Crystal Display Device - A cellulose acylate film, which has an in-plane retardation (Re) and a retardation in a thickness direction (Rth) satisfying relations of equations (1) to (6) and has a thickness of 30 μm or greater but less than 70 μm: | 01-22-2009 |
20090027599 | Optical film, optical compensation sheet, polarizing plate, and liquid crystal display device - An optical film, which contains a cellulose acylate, at least one compound of formula (I) in an amount of 0.01 to 20 mass parts, and at least one cyclic compound having at least three substituents in an amount of 0.01 to 20 mass parts, to 100 mass parts of the cellulose acylate: | 01-29-2009 |
20090033835 | Optical Compensation Sheet, Polarizing Plate and Liquid Crystal Display - An optical compensation sheet is provided and has a stretched polymer film or stretched cellulose acylate film and at least one optical anisotropic layer containing a liquid crystal compound, and has retardations satisfying the specific relationships defined in the specification. | 02-05-2009 |
20090066887 | Polymer Film, Polarizing Plate Protective Film, Polarizing Plate and Liquid Crystal Display Device - A polymer film satisfying the following formulae (1) to (3): | 03-12-2009 |
20090085008 | Cellulose compound composition and cellulose compound film - A cellulose compound composition, containing at least one compound of formula (1): | 04-02-2009 |
20090109379 | LIQUID CRYSTAL DISPLAY DEVICE - A polymer film satisfying the following formulae (1) to (4): | 04-30-2009 |
20090117294 | CELLULOSE DERIVATIVE FILM, OPTICAL COMPENSATION FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DEVICE - A cellulose derivative film having high optical isotropy over the whole visible region and high durability against high temperature and humidity conditions is provided. The film contains a cellulose derivative having a substituent the polarizability anisotropy Δα (=αx−(αy+αz)/2) of which is 2.5×10 | 05-07-2009 |
20090122237 | POLYMER FILM, METHOD FOR PRODUCING POLYMER FILM, OPTICAL FILM AND POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A polymer film, which comprises: organic compound fine particles containing a retardation developer and having an average particle size of from 1 nm to 1,000 nm; a method for producing a polymer film, which comprises: casting a dope containing a polymer, a solvent for dissolving the polymer, a retardation developer and an additive other than the retardation developer on a support; peeling off; drying; and stretching, wherein the retardation developer is uniformly dissolved in the dope, and between the casting and the stretching, organic compound fine particles containing the retardation developer are formed within a film; and an optical film, which comprises: at least one compound represented by formula (I) as defined in the specification; and at least one Rth raising agent. | 05-14-2009 |
20090153782 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device comprising a liquid crystal cell and two polarizing plates disposed on the both sides thereof, wherein a protective film satisfying the specific conditions of retardation is sandwitched each between the liquid crystal cell and the polarizing plates. The liquid crystal display device can be easily produced at low costs and has a low viewing angle dependency of color. | 06-18-2009 |
20090251650 | Liquid crystal display device - A liquid crystal display device comprising a first polarizer, a first retardation film satisfying (1) to (6) below, a liquid crystal cell, a second retardation film satisfying (7) to (12) below, a second polarizer in this order wherein the absorption axis of the first and second polarizer and the slow axis of the first and second retardation film are substantially in parallel, respectively: | 10-08-2009 |
20090290100 | Cellulose Acylate Film, Method of Producing the Same, Cellulose Derivative Film, Optically Compensatory Film Using the Same, Optically-Compensatory Film Incorporating Polarizing Plate, Polarizing Plate and Liquid Crystal Display Device - A method of producing a cellulose derivative film, the method comprising: forming a film with a solvent cast method from a dope including a cellulose derivative satisfying following conditions (a) and (b): (a) at least one among three hydroxyl groups included in a glucose unit of cellulose is substituted by a substituent of which a polarizability anisotropy Δα represented as following Expression (1) is 2.5×10 | 11-26-2009 |
20110001908 | LIQUID-CRYSTAL DISPLAY DEVICE - A liquid-crystal display device comprising a liquid-crystal cell, a first polarizing element and a second polarizing element disposed on either side of the liquid-crystal cell respectively, a first retardation layer between the first polarizing element and the liquid-crystal cell, and a second retardation layer between the second polarizing element and the liquid-crystal cell, wherein a transmission axis of the first polarizing element is perpendicular to the slow axis of the first retardation layer; and a transmission axis of the second polarizing element is parallel to the slow axis of the second retardation layer; and the first retardation layer and the second retardation layer satisfy the formula (1) 0 nm<ΔRe | 01-06-2011 |
20110255037 | Cellulose acylate film, its production method, polarizer and liquid crystal display device - A cellulose acylate film containing a cellulose acylate and a sugar ester compound having from 1 to 12 pyranose structures or furanose structures in which at least one hydroxyl group is esterified, the film satisfying 40 nm≦Re(550)≦60 nm and 100 nm≦Rth(550)≦140 nm, and having a dimensional change of −0.5 to 0.5% and an internal haze of at most 0.1%. | 10-20-2011 |
20110273646 | Protective film of polarizer, polarizer and method for producing it, and liquid crystal display device - A protective film to a polarizer including a cellulose acylate and satisfying the following requirement (1) or (2): | 11-10-2011 |
20120088041 | Polarizer protective film, polarizer, and liquid crystal display device - A polarizer protective film having a cellulose acylate film containing a cellulose acylate and a hindered amine compound in an amount of at least 0.01% by mass relative to the cellulose acylate, and, as laminated on the cellulose acylate film, an active energy ray-curable layer, wherein the hindered amine compound has a piperidine skeleton represented by the following formula (1): | 04-12-2012 |
20120180697 | CELLULOSE ACYLATE FILM, RETARDATION FILM, POLARIZER AND LIQUID-CRYSTAL DISPLAY DEVICE - Provide is a cellulose acylate film, of which the environmental humidity-dependent retardation change is small and which, when stuck to a polarizer and used in high-temperature and high-humidity environments, is effective for preventing the polarizing element from being deteriorated. A cellulose acylate film, which contains a hydrogen-bonding compound satisfying the following requirements (A) to (C), and at least one hydrophobizing agent selected from a polyalcohol ester-base hydrophobizing agent, a polycondensate ester-base hydrophobizing agent and a carbohydrate derivative-base hydrophobizing agent: (A) the compound has both a hydrogen-bonding donor part and a hydrogen-bonding acceptor part in one molecule, (B) the value computed by dividing the molecular weight of the compound by the total number of the hydrogen-bonding donor number and the hydrogen-bonding acceptor number in the compound is from 30 to 65, and (C) the total number of the aromatic ring structures in the compound is from 1 to 3. | 07-19-2012 |
20120186489 | CELLULOSE ACYLATE FILM, RETARDATION FILM, POLARIZER AND LIQUID-CRYSTAL DISPLAY DEVICE - A cellulose acylate film containing a cellulose acylate and a carbohydrate derivative satisfying that the Clog P value thereof is from 0 to 5.5 and the maximum value of the molar extinction coefficient thereof in a wavelength range of from 230 nm to 700 nm is at most 50×10 | 07-26-2012 |
20120196142 | RESIN FILM, POLARIZER PROTECTIVE FILM, POLARIZER, AND LIQUID-CRYSTAL DISPLAY DEVICE - A resin film containing a cellulose acylate and at least one of a polymer or an oligomer having a cyano group-comprising recurring unit in an amount of from 1.5 to 300% by mass of the cellulose acylate has a small photoelastic coefficient and a small moisture content and is excellent in transparency. | 08-02-2012 |
20120244331 | CELLULOSE ACYLATE FILM AND ITS PRODUCTION METHOD, POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE - A cellulose acylate film containing a cellulose acylate and an organic acid represented by X-L-(R | 09-27-2012 |
20120268693 | CELLULOSE ACYLATE FILM, POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE - A cellulose acylate film, which comprises a cellulose acylate having a total degree of substitution of from 2.0 to 2.5, a first optical enhancer of an ester having an absorption maximum λmax at less than 250 nm, and a second optical enhancer having an absorption maximum λmax at from more than 240 nm to 300 nm, and satisfies the following formulae (1) and (2), in which the ester of the first optical enhancer is a compound obtained through condensation of an oxo-acid of an organic acid or an inorganic acid and a hydroxyl group-containing compound: | 10-25-2012 |
20130029122 | RESIN FILM AND ITS PRODUCTION METHOD, POLARIZER, AND LIQUID CRYSTAL DISPLAY DEVICE - A resin film containing a resin and from 0.01% by mass to 20% by mass, relative to the resin, of an organic acid satisfying (1) The organic acid comprises structure in which a polyalcohol bonds to a polycarboxylic acid via an ester bond, (2) The total number of the molecules of the polyalcohol and the polycarboxylic acid forming the organic acid is at least 3, and (3) The organic acid has at least one unsubstituted carboxylic acid derived from the polycarboxylic acid. | 01-31-2013 |
20130107175 | FILM, ITS PRODUCTION METHOD, AND POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE USING THE FILM | 05-02-2013 |
20130120839 | CELLULOSE ACYLATE FILM, PROTECTIVE FILM FOR POLARIZING PLATE, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE - There is provided a cellulose acylate film, containing a hindered amin-based compound, wherein the hindered amine-based compound is contained in an amount of 0.001% by mass to 5% by mass based on cellulose acylate, a minimum value of Knoop hardness is 170 N/mm | 05-16-2013 |
20130189449 | POLARIZING PLATE, METHOD FOR PREPARING THE SAME, AND LIQUID CRYSTAL DISPLAY DEVICE - A polarizing plate includes two protective films and a polarizer provided between the two protective films, and the polarizer has a thickness of 3 μm to 18 μm, at least one of the protective films has a thickness of 3 μm to 40 μm and contains at least one resin and a compound in an amount of 1 part by mass to 20 parts by mass based on 100 parts by mass of the resin, the compound having at least one hydrogen-donating group capable of forming a hydrogen bond and a ratio of molecular weight to number of aromatic rings of 300 or less, and the polarizing plate has a thickness of 15 μm to 70 μm. | 07-25-2013 |
20130266744 | POLYMER FILM, RETARDATION FILM, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY, AND COMPOUND - Provided is a polymer film containing at least one of a compound represented by formula (1) of hydrates, solvates, or salts thereof. Y is a methine group or nitrogen atom. Q | 10-10-2013 |
20140057060 | POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE - A polarizing plate includes, in the following order: a transparent protective film; an adhesive layer; and a polarizer, and the transparent protective film has a thickness of from 5 to 60 μm and contains at least one resin and a compound (A) having at least one hydrogen bond-forming hydrogen-donating group and a ratio of a molecular weight to an aromatic ring number of 190 or less. | 02-27-2014 |
20140099452 | PEELABLE LAMINATED FILM, PEELABLE LAMINATED FILM ROLL, MANUFACTURING METHOD THEREOF, FILM, OPTICAL FILM, POLARIZING PLATE, MANUFACTURING METHOD OF POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is a method for manufacturing a peelable laminated film including a layer A including cellulose ester and a layer B including a resin capable of a solution film-formation different from the cellulose ester, the layer A and the layer B having an adhesion of 5 N/cm or less, the method including: simultaneously or sequentially casting and laminating a dope A for forming the layer A, which includes cellulose ester and a solvent, and a dope B for forming the layer B, which includes a resin capable of a solution film-formation different from the cellulose ester and a solvent, on a casting support, peeling off a laminate of the dope A and the dope B from the casting support, and drying the laminate. | 04-10-2014 |
20140160404 | DISPLAY DEVICE FOR OUTDOOR USE - A display device for outdoor use has a display unit, and the display unit includes a polarizing plate having a light absorbing layer and a polarizer layer on a viewing side surface, the light absorbing layer includes a first light absorbing agent having at least one absorption peak in a wavelength range of from 280 to less than 360 nm and a second light absorbing agent having at least one absorption peak in a wavelength range of from 360 to 400 nm, and the light absorbing layer is disposed closer to the viewing side than the polarizer layer. | 06-12-2014 |
20140185135 | PROTECTIVE FILM FOR POLARIZING PLATE, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE - A protective film for polarizing plate contains a resin, an ultraviolet absorbing agent A having an absorption maximum in a wavelength range of from 350 to 400 nm and an ultraviolet absorbing agent B having an absorption maximum in a wavelength range of from 270 to 330 nm, and a content of the ultraviolet absorbing agent A is from 0.1 to 5% by weight relative to the resin, a content of the ultraviolet absorbing agent B is from 0.1 to 5% by weight relative to the resin, and the protective film fulfills the requirements (a) to (d) as defined herein. | 07-03-2014 |
20140242300 | POLARIZER, POLARIZING PLATE USING THE SAME, LIQUID CRYSTAL DISPLAY DEVICE, AND METHOD OF MANUFACTURING POLARIZING PLATE - Provided is a polarizer durable against high-temperature and high-humidity conditions, small in changes in the single plate transmittance, and a liquid crystal display device. A polarizer comprising a polyvinyl alcohol-based resin, a dichroic colorant, and a compound, etc. represented by the formula (1) below, the content of the compound represented by the formula (1) being 0.01 to 30 parts by mass relative to 100 parts by mass of the polyvinyl alcohol based resin. In the formula (1), each of Ri and R3 independently represents a hydrogen atom, C1-20 straight-chain alkyl group, C3-20 branched alkyl group, C3-20 cycloalkyl group, 02-20 alkenyl group or C6-20 aromatic group, and R5 represents a substituent. | 08-28-2014 |
20140242302 | LAMINATE, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY DEVICE, AND METHOD OF MANUFACTURING POLARIZING PLATE - Provided is a polarizing plate having improved single plate transmittance under high-temperature and high-humidity conditions, and a liquid crystal display device using the same. A laminate comprising a polarizer, and an adhesive layer adjoining to at least one surface of the polarizer, the adhesive layer containing a resin and a compound, etc. represented by the formula (1) below. In the formula (1), each of R | 08-28-2014 |
20140318413 | CELLULOSE ACYLATE FILM, RETARDATION FILM, POLARIZER AND LIQUID-CRYSTAL DISPLAY DEVICE - Provide is a cellulose acylate film, of which the environmental humidity-dependent retardation change is small and which, when stuck to a polarizer and used in high-temperature and high-humidity environments, is effective for preventing the polarizing element from being deteriorated. A cellulose acylate film, which contains a hydrogen-bonding compound satisfying the following requirements (A) to (C), and at least one hydrophobizing agent selected from a polyalcohol ester-base hydrophobizing agent, a polycondensate ester-base hydrophobizing agent and a carbohydrate derivative-base hydrophobizing agent: (A) the compound has both a hydrogen-bonding donor part and a hydrogen-bonding acceptor part in one molecule, (B) the value computed by dividing the molecular weight of the compound by the total number of the hydrogen-bonding donor number and the hydrogen-bonding acceptor number in the compound is from 30 to 65, and (C) the total number of the aromatic ring structures in the compound is from 1 to 3. | 10-30-2014 |
20140363588 | POLYMER FILM, RETARDATION FILM, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY, AND COMPOUND - Provided is a polymer film containing at least one of a compound represented by formula (1) of hydrates, solvates, or salts thereof. Y is a methine group or nitrogen atom. Q | 12-11-2014 |
20150055062 | OPTICAL FILM, POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE - An optical film, has a film thickness of 15 μm to 45 μm, Rth (440 W, 30% RH) and “Rth (440 W, 30% RH)−Rth (440 W, 80% RH)” of the optical film satisfy Expression (1) −20 nm≦Rth (440 W, 30% RH)≦5 nm and Expression (2) 0 nm≦Rth (440 W, 30% RH)−RH (440 W, 80% RH)≦18 nm, here, in Expressions (1) and (2), Rth (440 W, 30% RH) represents a retardation value in a film thickness direction at a wavelength of 440 nm measured at 25° C. and at a relative humidity of 30% and Rth (440 W, 80% RH) represents a retardation value in the film thickness direction at a wavelength of 440 nm measured at 25° C. and at a relative humidity of 80%; a polarizer and liquid crystal display device. | 02-26-2015 |