Patent application number | Description | Published |
20080198316 | Liquid Crystal Display - A liquid crystal display comprising a first polarization film, a first retardation region, a second retardation region, a liquid crystal layer, a liquid crystal cell, and a second polarization film disposed in this order, liquid crystal molecules of the liquid crystal layer being aligned in parallel with surfaces of the substrates at the time of dark state, wherein Re of the first retardation region is 70 nm to 330 nm, Nz value of the first retardation region is greater than 0 and less than 0.4, Re of the second retardation region is equal to 50 nm or less and an optical axis is simultaneously not included in the in-plane of the second retardation region, Rth of the second retardation region is 10 nm to 140 nm, a slow axis of the first retardation region is orthogonal to a transmissive axis of the first polarization film that is simultaneously in parallel with a slow axis direction of the liquid crystal molecules at the time of dark state, each of the first and second polarization films has at least a protective film on a plane close to the liquid crystal layer, and the corresponding protective film is a cellulose acylate film which meets the formulae (I) and (II) below. | 08-21-2008 |
20080254237 | Polymer Film, and Optically-Compensatory Film, Polarizer and Liquid-Crystal Display Device Comprising the Same - A polymer film that has an in-plane retardation Re | 10-16-2008 |
20080309860 | Optical Film, Optical Compensation Film, Polarizing Plate, Liquid Crystal Display Unit and Self Luminous Display Unit - An optical film which has Re(λ) and Rth(λ) fulfilling the following two formulae: | 12-18-2008 |
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 |
20090122243 | Liquid Crystal Display Device, Optical Compensatory Sheet, and Polarizer and Liquid Crystal Display Device Employing the Same - A liquid crystal display device comprising a liquid crystal panel in which liquid crystals having negative dielectric anisotropy are interposed between upper substrate and lower substrate that have been vertically oriented on the surface, the orientation of the liquid crystals being almost vertical with no applied voltage, almost horizontal when a predetermined voltage is applied, and tilted when a smaller voltage than the predetermined voltage is applied; a first polarizer and a second polarizer disposed on both sides of the liquid crystal panel such that the absorption axes of the polarizers are perpendicular to each other; a first retardation film disposed between the liquid crystal panel and the first polarizer; and a second retardation film disposed between the liquid crystal panel and the second polarizer, wherein the polarizer comprises a polarizing film and a pair of protective films having the polarizing film in between, and wherein at least one of the protective films is a cellulose acylate film satisfying: | 05-14-2009 |
20090128747 | Method for Producing Cellulose Acylate Film, Polarizing Plate and Liquid Crystal Display - A method for producing a cellulose acylate film is provided and includes the steps of: a stretching step of stretching a film; and a shrinking step of shrinking the film | 05-21-2009 |
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 |
20090252896 | HYBRID FILM, METHOD FOR THE PRODUCTION THEREOF AND OPTICALLY COMPENSATORY FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A dope solution in which a cellulose acylate and a cycloolefin compound having a mass-average molecular mass of from 200 to 20,000 are dissolved in admixture is subjected to solution film forming to obtain a hybrid film. Further, an optically anisotropic layer having retardation Re of from 0 nm to 200 nm is provided on the hybrid film to prepare an optically compensatory film. The optically compensatory film and a polarizer are stuck to each other to prepare a polarizing plate which is then used to obtain a liquid crystal display device. | 10-08-2009 |
20100220272 | LIQUID CRYSTAL DISPLAY - The invention provides a liquid crystal display which is excellent in both display performance and moisture and heat resistance. | 09-02-2010 |
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 |
20120076955 | Optical film and its production method, polarizer and liquid crystal display device - An optical film having a core layer containing a (meth)acrylic resin having a lactone ring structure, and an outer layer containing a cellulose acetate with a thickness of from more than 3 μm to 20 μm on at least one side of the core layer is excellent in nonbrittleness and adhesiveness to a polarizing element. | 03-29-2012 |
20120147304 | LIQUID CRYSTAL DISPLAY DEVICE, METHOD FOR MANUFACTURING THE SAME, AND IMAGE DISPLAY DEVICE - There is provided a liquid crystal display device that diminishes flickers caused by crosstalk of a three-dimensional image (an overlap of images) or reflection of external light. A liquid crystal display device includes a pair of substrates, at least one of the pair of substrates having an electrode and the pair of substrates being placed opposite each other, and a first polarizing plate placed on a light source side and a second polarizing plate placed on a view side with the liquid crystal layer sandwiched therebetween, in which a protective film on the view side of the second polarizing plate includes a transparent support satisfying 0≦|Re(550)|≦10 and an optically anisotropic layer having a λ/4 function, and Rth of the protective film on the view side of the second polarizing plate is |Rth|≦20. | 06-14-2012 |
20120320316 | OPTICAL FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE - There is provided an optical film having a small size change with a temperature change of a support of a pattern retardation film. | 12-20-2012 |
20130065037 | CELLULOSE ESTER FILM, LAYERED PRODUCT, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE - A cellulose ester film has: a ratio of a sound velocity in a width direction to a sound velocity in a longitudinal direction of from 0.9 to 1.1; a moist heat dimensional change rate in the width direction of from −0.2% to 0.2%, the moist heat dimensional change being one after the cellulose ester film is left standing at 60° C. and 90% RH for 24 hours; and a humidity dimensional change rate in the width direction of 0.38% or less. | 03-14-2013 |
20130216733 | OPTICAL FILM AND ITS PRODUCTION METHOD, POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE - An optical film having an acrylic resin layer and a cellulose acylate layer, wherein the weight-average molecular weight of the acrylic resin used as the main ingredient in the acrylic resin layer is from 600,000 to 4,000,000, hardly causes display unevenness when it is incorporated in a liquid crystal display device. | 08-22-2013 |
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 |
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 |