Patent application number | Description | Published |
20090096963 | CYCLIC POLYOLEFIN FILM, PROCESS FOR PRODUCING THE FILM, AND POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A cyclic polyolefin film, which comprises: a cyclic polyolefin resin; and at least one organic compound decreasing Rth(λ) and/or at least one organic compound decreasing Re(λ), wherein Rth(λ) represents a retardation value (nm) in a thickness-direction of the cyclic polyolefin film at a wavelength of λ nm, and Re(λ) represents an in-plane retardation value (nm) of the cyclic polyolefin film at a wavelength of λ nm, wherein the cyclic polyolefin film comprises the at least one organic compound in a content of from 0.01 to 30% by mass based on a solid component of the cyclic polyolefin resin. | 04-16-2009 |
20100239786 | CELLULOSE ACYLATE FILM AND METHOD FOR PRODUCING SAME, RETARDATION FILM, POLARIZER AND LIQUID-CRYSTAL DISPLAY DEVICE - A cellulose acylate film of which the difference between the in-plane retardation at a wavelength of 630 nm and the in-plane retardation at a wavelength of 450 nm is 1 to 15 nm, and satisfying the following formula (2) both in the film traveling direction and in the direction perpendicular thereto: | 09-23-2010 |
20100271574 | CELLULOSE ACYLATE LAMINATE FILM, METHOD FOR PRODUCING CELLULOSE ACYLATE LAMINATE FILM, POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE - A cellulose acylate laminate film, which comprises a low-substitution layer comprising a non-phosphate compound and a cellulose acylate having a total degree of acyl substitution of more than 2.0 and less than 2.7 and a high-substitution layer comprising a cellulose acylate having a total degree of acyl substitution of more than 2.710-28-2010 | |
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 |
20110292324 | IPS or FFS mode liquid crystal display device - An IPS or FFS mode liquid crystal display device is disclosed. The device comprises a first optical film, fulfilling the conditions of formulas (I)-(IV), consisting of a layer with low degree of total acyl substitution comprising a cellulose acylate as a main ingredient, or comprising the layer with low degree of total acyl substitution and an outermost layer with high degree of total acyl substitution comprising a cellulose acylate as a main ingredient, disposed on at least one surface of the layer with low degree of total acyl substitution: | 12-01-2011 |
20120092594 | OPTICAL FILM AND LIQUID CRYSTAL DISPLAY DEVICE - An optical film contains a cellulose acylate film, and at least two layers of an optically anisotropic layer A and an optically anisotropic layer B, wherein the cellulose acylate film satisfies the specific formulae, Re(548) of the optically anisotropic layer A is from 80 to 190 nm and the slow axis of the optically anisotropic layer A is at 45°±10° with respect to the film conveying direction, and the optically anisotropic layer B satisfies the specific formulae. | 04-19-2012 |
20120204758 | CELLULOSE ESTER FILM, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY DEVICE, AND METHOD FOR MANUFACTURING THE CELLULOSE ESTER FILM - There is provided a cellulose ester film comprising at least one plasticizer and satisfying the following expressions (1) to (5); |Re|≦5 nm (1); 50 nm08-16-2012 | |
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 |
20120248390 | POLARIZER PROTECTIVE FILM, RETARDATION FILM, POLARIZER AND LIQUID-CRYSTAL DISPLAY DEVICE - A polarizer protective film containing a cellulose acylate of such that when two polarizers are arranged on both sides of the film so as to block a transmitted light from running through the film and when the film is irradiated with a light on one side thereof and observed with an optical microscope where the object lens has 10 magnifications and the eye lens has 10 magnifications, on the opposite side thereof, the number of the bright spots existing therein and having a diameter of from 0.1 μm to less than 10 μm is at most 500/cm | 10-04-2012 |
20120249933 | CELLULOSE ACYLATE FILM, ITS PRODUCTION METHOD, POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE - A cellulose acylate film containing a cellulose acylate having a total degree of substitution of from 1.5 to 2.6 and a polycondensate ester, satisfying 3.4≦Rth(550)/d, 40 nm≦Re(550)≦60 nm and 100 nm≦Rth(550)≦300 nm, having a film thickness of from 20 to 45 μm and having an internal haze of from 0.005 to 0.07% (d means the film thickness (μm)). | 10-04-2012 |
20120262651 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device comprising a liquid crystal cell and a polarizer arranged on at least one outer side of the liquid crystal cell, wherein the liquid crystal cell includes a pair of substrates at least one of which has an electrode and which are arranged oppositely to each other, and a liquid crystal layer sandwiched between the substrates, and at least one substrate includes at least three color pixels of B, G and R satisfying the following formula (1-1), and the polarizer includes a polarizing element and a film satisfying the following formula (1-2) and containing an optically-anisotropic layer: | 10-18-2012 |
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 |
20120268694 | CELLULOSE ACYLATE FILM, METHOD FOR PRODUCING SAME, POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE - A cellulose acylate film, which comprises a cellulose acylate having a total degree of substitution of from 2.1 to 2.3 and a non-phosphate compound, which satisfies the following formulae (1) and (2), and which has a thickness of from 10 μm to 45 μm, has desired optical expressibility, small internal haze, and curling resistance when used in polarizer, and, when mounted in liquid crystal display devices, is capable of significantly solving the problem of color shift and corner unevenness on the display panel: | 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 |
20130083394 | LAMINATED OPTICAL FILM, AND POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A laminated optical film which exhibit a high front contrast ratio and even brightness, improve viewing angle characteristics of a liquid crystal display of a horizontal alignment mode, and have high durability. | 04-04-2013 |
20130107173 | PHOTOCHROMIC POLARIZING PLATE AND SHUTTER POLARIZING PLATE | 05-02-2013 |
20130108807 | TWISTED-ALIGNMENT-MODE LIQUID CRYSTAL DISPLAY | 05-02-2013 |
20130128359 | OPTICAL FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY APPARATUS - An optical film having a high Re and a low |Rth| is provided. An optical film consists of a composition that includes cellulose acylate having an acyl group including an aromatic group, and satisfies Formula (I) 150 nm≦Re (550)≦350 nm, Formula (II) −50 nm≦Rth (550)≦50 nm, and Formula (III) 0.07 nm≦degree of cross-sectional orientation P2z≦1, Here, Re (550) represents the in-plane retardation at a wavelength of 550 nm, and Rth (550) represents the thickness direction retardation at a wavelength of 550 nm. | 05-23-2013 |
20130163082 | OPTICAL FILM, MULTILAYER FILM, AND MANUFACTURING METHOD THEREOF - An optical film that does not cause display unevenness, includes a retardation layer A (A layer) satisfying the following relational expression, nz>nx≧ny here, nx represents an in-plane refractive index in a direction of an in-plane slow axis, ny represents an in-plane refractive index in a direction orthogonal to the direction of an in-plane slow axis, and nz represents a refractive index in a thickness direction; and a retardation layer B (B layer) of which in-plane retardation Re and thickness direction retardation Rth satisfy the following relational expressions: 0 nm≦Re≦20 nm and 50 nm≦Rth≦300 nm, wherein the total film thickness is 5 μm to 40 μm. | 06-27-2013 |
20130266743 | OPTICAL FILM AND METHOD FOR PRODUCING THE SAME - An optical film having a thickness of from 20-60 μm, Re(550) of larger than 80-350 nm, an elastic modulus Em in a direction that is in parallel or perpendicular to one arbitrary edge of the film and provides a maximum elastic modulus of the film, and an elastic modulus Es in a direction that is perpendicular to the direction of Em, with satisfying Em/Es of 1.5-2.5; and satisfying: | 10-10-2013 |
20130342793 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a first polarizing film; a first retardation region; a liquid crystal cell which includes a liquid crystal layer sandwiched between a pair of substrates, in which liquid crystal molecules in the liquid crystal layer are oriented parallel to surfaces of the pair of substrates at a time of black display; and a second polarizing film, a slow axis of the first retardation region is arranged orthogonally or parallel to a long axis of the liquid crystal molecule at a surface of the liquid crystal layer at a side of the substrate of the liquid crystal cell adjacent to the first retardation region in a state of no application of voltage, the liquid crystal cell operates in a lateral electric field mode, and the first retardation region includes a first retardation layer and a second retardation layer as defined herein. | 12-26-2013 |
20140176887 | OPTICAL LAMINATE FILM, AND POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE USING THE FILM - An optical laminate film that comprises a layer B satisfying 1.0≦Nz≦3.0, 70 nm≦Re(550) and 0 nm≦Rth(550)≦200 nm, and a layer C satisfying Re(550)≦10 nm and −200 nm≦Rth(550)≦−50 nm, wherein the layer B and the layer C are adjacent to each other, the absolute value of the difference in SP between the main ingredient of the layer B and the main ingredient of the layer C is from 2.6 to 10.0, contribute toward improving the viewing angle characteristics of horizontal alignment mode liquid crystal display devices without causing problems of front contrast ratio reduction and display unevenness. | 06-26-2014 |
20140178606 | CELLULOSE ACYLATE FILM, POLARIZER, AND LIQUID CRYSTAL DISPLAY DEVICE - A cellulose acylate film containing a cellulose acylate, that has an aromatic group-containing acyl group and satisfies the formulae (I) and (II): | 06-26-2014 |
20140293201 | METHOD FOR PRODUCING LAMINATED FILM, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY DEVICE, AND OPTICAL FILM - A laminated film having a retardation layer A and a layer B that are formed through solvent co-casting is provided. The layer A has a thickness of 5 to 30 μm. The layer B has a higher tensile modulus compared to the layer A. An interlayer peeling force between the layer A and the layer B is 0.05 to 5 N/cm. The laminated film overcomes the deterioration of handling property generally occurring with the reduction of film thickness in solvent casting method. | 10-02-2014 |
20150015833 | CELLULOSE ACYLATE FILM AND METHOD FOR PRODUCING THE SAME - A cellulose acylate film that contains at least one kind of cellulose acylate that has a substitution degree of an acyl group that contains an aromatic group of from 0.1 to 2.0, or a substitution degree of an acyl group having from 2 to 4 carbon atoms of from 2.0 to 2.6, and has an in-plane retardation at a wavelength of 550 nm Re(550) of from 80 to 350 nm, and the number of bright spots caused from irregular retardation regions having a major axis diameter of from 0.01 to 0.05 mm of 500 or less per 1 cm | 01-15-2015 |
20150022748 | PHASE DIFFERENCE FILM, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY DEVICE, AND METHOD OF PRODUCING PHASE DIFFERENCE FILM - There is provided a phase difference film which includes a substrate, an acrylic resin layer, an intermediate layer containing a main component of the substrate and a main component of the acrylic resin layer between the substrate and the acrylic resin layer, and a specific phase difference layer directly on a surface on the opposite side to the intermediate layer of the acrylic resin layer, in which the substrate contains at least one kind of resin selected from a cellulose acylate resin, a cyclic olefin resin, a polycarbonate resin, an acrylic resin, and a styrene resin, the acrylic resin layer contains an acrylic resin having a polar group, the intermediate layer has a thickness of 0.1 μm to 10 μm, and the phase difference layer is formed by polymerizing a polymerizable liquid crystal compound containing a vertical alignment agent. | 01-22-2015 |
20150022764 | PHASE DIFFERENCE FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE - There is provided a phase difference film which includes a, an intermediate layer, and a phase difference layer to which an alignment state of a liquid crystal material is fixed in this order, in which the substrate contains cellulose acylate in which an average substitution degree DS of an acyl group satisfies 2.001-22-2015 | |
20150029445 | RETARDATION FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY - A retardation film includes a first optically anisotropic layer having liquid crystal compounds fixed in a homogeneously aligned state and a leveling agent, and having an order parameter of 0.75 to 0.95 and a thickness of 0.3 to 3.0 μm; an intermediate layer including a resin having a solubility parameter SP value of 21.5 to 24.7, calculated by Hoy's method, the intermediate layer having a thickness of 3.0 μm or less; and a second optically anisotropic layer having liquid crystal compounds fixed in a homeotropically aligned state, and having an order parameter OP of 0.6 to 0.95 and a thickness of 0.3 to 3.0 μm, wherein OP is represented by the following equation; OP=(A | 01-29-2015 |