Abstract: An optical resin film, which has Re (?) and Rth (?) satisfying retardation requirements (A) to (D), and has an in-plane width direction retardation (Re) variation coefficient of 5% or less and a thickness direction retardation (Rth) variation coefficient of 10% or less: (A) 0.1<Re (450)/Re (550)<0.95 (B) 1.03<Re (650)/Re (550)<1.93 (C) 0.4<(Re/Rth (450))/(Re/Rth (550)))<0.95 (D) 1.05<(Re/Rth (650)/(Re/Rth (550))<1.9, and a polarizing plate and a liquid crystal display device using the optical resin film.

Abstract: A liquid crystal display device includes: a liquid crystal cell; and a pair of polarizing plates sandwiching the liquid crystal cell and each including a polarizer and a protective film provided on a side of the liquid crystal cell, in which transmission axes of the pair of polarizing plates are orthogonally arranged, wherein Rth(?) of at least one of the protective films provided on the liquid crystal cell side of the polarizing plates has negative characteristics for ambient temperature, in which Rth(?) represents a retardation in a thickness direction measured at a wavelength of ? nm.

Abstract: Presents a liquid crystal display device that does not require a surface orientation treatment, dramatically improves the response rate of dynamic image displays and does not experience light leaks when the display is black, which means to yield a dark field of vision. The liquid crystal display device comprises polymer-stabilized blue phase liquid crystals sandwiched between a pair of clear substrates. The liquid crystal display device obtained using polymer-stabilized blue phase liquid crystals exhibits large double refraction changes when an electrical field is applied in an in-plane direction to the cell substrates. The polymer-stabilized blue phases liquid crystals comprises a low molecular weight liquid crystal that allows a blue phase to appear between cholesteric and isotropic phases and polymer network formed in the low molecular weight liquid crystals.

Abstract: 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

Abstract: An optical resin film, which has Re (?) and Rth (?) satisfying retardation requirements (A) to (D), and has a thickness of from 30 ?m to 80 ?m: (A) 0.1<Re (450)/Re (550)<0.95 (B) 1.03<Re (650)/Re (550)<1.93 (C) 0.4<(Re/Rth (450))/(Re/Rth (550)))<0.95 (D) 1.05<(Re/Rth (650)/(Re/Rth (550))<1.9, and a polarizing plate and a liquid crystal display device using the optical resin film.

Abstract: Disclosed is a liquid-crystal display device comprising a liquid-crystal cell comprising a liquid-crystal layer that aligns vertically to the substrate thereof in a black state, two polarizing elements that are disposed to sandwich the liquid-crystal cell therebetween in a manner that their absorption axes are perpendicular to each other, and retardation films having equivalent optical anisotropy that are disposed between each of the two polarizing elements and the liquid-crystal cell, wherein the retardation films comprise a cellulose acylate and a liquid-crystal compound, and satisfy 30 nm?Re(550)?80 nm, 70 nm?Rth(550)?140 nm, Re(450)/Re(550)<1 and Re(650)/Re(550)>1.

Abstract: An optical film is provided and includes a transparent polymer film. The optical film has at least an A1 value defined by Re (450)/Re (550) of from 0.10 to 0.95 and A2 value defined by Re (650)/Re (550) of from 1.01 to 1.50. Re (?) represents the retardation value of the film with respect to light having a wavelength of ? nm; and Rth (?) is the retardation value in the thickness direction of film with respect to light having a wavelength of ? nm.

Abstract: A liquid crystal display comprising a pair of polarizing films, a liquid crystal cell placed between the polarizing films, and an optical compensatory sheet placed between the liquid crystal cell and at least one of the polarizing films, wherein the optical compensatory sheet comprises an optically anisotropic layer (1) and an optically anisotropic layer (2), and satisfies the following condition: 2.0?(?n×d)/Rth(2)?5.0 wherein ?n is a birefringence of a liquid crystal molecule in the liquid crystal cell, d is a thickness (nm) of the liquid crystal cell, and Rth(2) is an Rth value of the optically anisotropic layer (2).

Abstract: An optical compensation sheet for a TN-mode liquid crystal display device is provided and includes a transparent film including one or more layers, and the optical compensation sheet satisfies formulae (1) and (2). 40?Re(550)?130 ??(1) 100?Rth(550)?200 ??(2) Re(?) is an in-plane retardation value for light at a wavelength of ? nm, and Rth(?) is a retardation vale in a thickness direction for light at a wavelength of ? nm.

Abstract: An optical film comprising a transparent support and an optically-anisotropic layer formed of a composition comprising at least one liquid-crystal compound, wherein the transparent support comprises at least one selected from cycloolefin-base homopolymers and copolymers, and the optically-anisotropic layer satisfies the following relation (1): Re(450)/Re(650)<1.25, is disclosed. An optical compensation film comprising a transparent support, and an optically-anisotropic layer formed of a composition comprising a liquid-crystal compound, wherein the transparent support comprises a polymer having at least either of lactone ring unit or glutaric anhydride unit, is also disclosed.

Abstract: [PROBLEMS] To provide a liquid crystal display device that does not need any surface aligning treatment, realizes striking increase of a response speed of movie display and is free from any light leakage (produce dark field) at black display. [MEANS FOR SOLVING PROBLEMS] There is provided a liquid crystal display device comprising a pair of transparent substrates and, interposed therebetween, a polymer stabilized blue-phase liquid crystal. The liquid crystal display device utilizing the polymer stabilized blue-phase liquid crystal exhibits a large birefringence change upon application of an electric field to cell substrate in an in-plane direction. The polymer stabilized blue-phase liquid crystal is composed of a low-molecular liquid crystal capable of developing a blue phase between cholesteric phase and isotropic phase and a polymer network created in the low-molecular liquid crystal.

Abstract: A liquid crystal display, which allows proper optical compensation for bend-aligned mode liquid crystal cell and exhibits high contrast, excellent viewing angle properties and a high black display fidelity, is provided. A bend-aligned mode liquid crystal cell is properly optically compensated for by properly controlling the optical properties, including wavelength dispersion, of a first optical anisotropic layer and a second optical anisotropic layer.

Abstract: An optical resin film, which has Re (?) and Rth (?) satisfying retardation requirements (A) to (D), and has an in-plane width direction retardation (Re) variation coefficient of 5% or less and a thickness direction retardation (Rth) variation coefficient of 10% or less: (A) 0.1<Re (450)/Re (550)<0.95 (B) 1.03<Re (650)/Re (550)<1.93 (C) 0.4<(Re/Rth (450))/(Re/Rth (550)))<0.95 (D) 1.05<(Re/Rth (650)/(Re/Rth (550))<1.9, and a polarizing plate and a liquid crystal display device using the optical resin film.

Abstract: An optical resin film, which has Re (?) and Rth (?) satisfying retardation requirements (A) to (D), and has a thickness of from 30 ?m to 80 ?m: (A) 0.1<Re (450)/Re (550)<0.95 (B) 1.03<Re (650)/Re (550)<1.93 (C) 0.4<(Re/Rth (450))/(Re/Rth (550)))<0.95 (D) 1.05<(Re/Rth (650)/(Re/Rth (550))<1.9, and a polarizing plate and a liquid crystal display device using the optical resin film.

Abstract: A liquid crystal display comprising a pair of polarizing films, a liquid crystal cell placed between the polarizing films, and an optical compensatory sheet placed between the liquid crystal cell and at least one of the polarizing films, wherein the optical compensatory sheet comprises an optically anisotropic layer (1) and an optically anisotropic layer (2), and satisfies the following condition: 2.0?(?n×d)/Rth(2)?5.0 wherein ?n is a birefringence of a liquid crystal molecule in the liquid crystal cell, d is a thickness (nm) of the liquid crystal cell, and Rth(2) is an Rth value of the optically anisotropic layer (2).