Abstract: 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 ?m and having an internal haze of from 0.005 to 0.07% (d means the film thickness (?m)).

Abstract: A cellulose acylate film is produced by casting a solution comprising a cellulose acylate resin and a partially ring-opened, styrene/maleic anhydride copolymer. The produced film has improved wet heat durability and low haze.

Abstract: A glucose compound represented by Formula (I): wherein, R11 and R12 each independently represent an alkyl group having 1 to 10 carbon atoms or an alkenyl group having 2 to 10 carbon atoms, wherein one CH2 group or two or more non-adjacent CH2 groups in the alkyl and alkenyl groups may be replaced by O; L1 represents —OCO—*, —OCH2—* (binding to B at the * side), or a single bond; A and B each independently represent a trans-1,4-cyclohexylene group which may be substituted or a 1,4-phenylene group which may be substituted; and R13 and R14 each independently represent a hydrogen atom or an acyl group having 1 to 10 carbon atoms; and a cellulose composition, a cellulose film, an optical film, a polarizing plate, a liquid crystal display device, and a retardation-increasing agent which have the glucose compound.

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: The present invention relates to an optical film produced by stretching a film having a low residual solvent amount in a machine direction followed by heat-treating it at a temperature falling from the glass transition point (Tg) to the melting point (Tm) thereof, which is a cellulose acylate film satisfying the following relations (1) to (6) and containing at least one cellulose acylate and at least one retardation enhancer having an absorption maximum wavelength ?max of from 280 nm to 380 nm: (1) 35 nm?Re(550)?75 nm, (2) 85 nm?Rth(550)?140 nm, (3) 0 nm<?Re(630?450)?40 nm, (4) ?75 nm??Rth(630?450)<0 nm, (5) 2.7?A+B?3.0, and (6) B?0, wherein “A” means a degree of substitution with an acetyl group of said at least one cellulose acylate, and “B” means a degree of substitution with an acyl group having at least 3 carbon atoms thereof.

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: A cellulose ester film includes: a cellulose ester and at least one polyester, in which a number average molecular weight of the polyester is 2,500 or less and a ratio of components having a molecular weight of 500 or less in the polyester is less than 8%.

Abstract: 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 ?m and having an internal haze of from 0.005 to 0.07% (d means the film thickness (?m)).

Abstract: An optical film comprising a transparent support and an optically-anisotropic layer formed of a composition including at least one liquid-crystal compound, wherein the transparent support includes 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. An optical compensation film including a transparent support, and an optically-anisotropic layer formed of a composition including a liquid-crystal compound, wherein the transparent support includes a polymer having at least either of lactone ring unit or glutaric anhydride unit.

Abstract: An optical film is provided and includes: a transparent support satisfying the following expressions (1) and (2); and an optically anisotropic layer having a ?/4 function. The optical film has an Rth (550) satisfying a relation of |Rth (550)|?20. |Re (550)|?10 ??(1) |?Rth (25° C. 30% RH?25° C80% RH)|?20 ??(2) Re (550) represents an in-plane retardation Re at a wavelength of 550 nm, and Rth (550) represents a retardation Rth in a film thickness direction at a wavelength of 550 nm; and ?Rth (25° C. 30% RH?25° C. 80% RH) represents a difference between Rth (550) at 25° C. and 30% RH and Rth (550) at 25° C.

Abstract: 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%.

Abstract: A method for producing a cellulose acetate film including casting a dope containing a cellulose acetate having a total substitution degree of from 2.0 to 2.7 and a solvent on a support, and peeling away the obtained dope film from the support.

Abstract: A cellulose acylate film including a cellulose acylate and a sugar ester compound, which is stretched at (Tg?5° C.) to (Tg+10° C.) while as yet not heated at all at (Tg?5° C.) or higher and which has a total haze of at most 1.0% and an internal haze of at most 0.1%, wherein Tg means the glass transition temperature (unit: ° C.) of the cellulose acylate film.

Abstract: A cellulose acylate film is produced by casting a solution comprising a cellulose acylate resin and a partially ring-opened, styrene/maleic anhydride copolymer. The produced film has improved wet heat durability and low haze.

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 cellulose ester film comprising at least one polycondensate ester that comprises a dicarboxylic acid residue mixture having an average carbon number of from 5.5 to 10.0 and comprising an aromatic dicarboxylic acid residue and an aliphatic dicarboxylic acid residue, and an aliphatic diol residue having an average carbon number of from 2.5 to 7.0.

Abstract: A cellulose composition, containing: a cellulose compound; a compound represented by formula (I); and a low molecular weight compound (A); wherein molecular absorption wavelength of the compound (A) derived from an electric dipole transition moment My in a direction approximately orthogonal to a molecular long axis direction, is longer than that derived from an electric dipole transition moment Mx in a direction approximately parallel to the molecular long axis direction; and wherein |My| is larger than |Mx|: wherein L1 to L4 represent a single bond or a specific divalent linking group; Y1 and Y2 represent an alkyl group; Ra, Rb and Rc represent a substituent; m represents an integer of 0 to 4; t represents an integer of 1 or 2; and m11 and m12 represent an integer of 0 to 10.

Abstract: A glucose compound represented by Formula (I): wherein, R11 and R12 each independently represent an alkyl group having 1 to 10 carbon atoms or an alkenyl group having 2 to 10 carbon atoms, wherein one CH2 group or two or more non-adjacent CH2 groups in the alkyl and alkenyl groups may be replaced by O; L1 represents —OCO—*, —OCH2—* (binding to B at the * side), or a single bond; A and B each independently represent a trans-1,4-cyclohexylene group which may be substituted or a 1,4-phenylene group which may be substituted; and R13 and R14 each independently represent a hydrogen atom or an acyl group having 1 to 10 carbon atoms; and a cellulose composition, a cellulose film, an optical film, a polarizing plate, a liquid crystal display device, and a retardation-increasing agent which have the glucose compound.

Abstract: The present invention relates to an optical film produced by stretching a film having a low residual solvent amount in a machine direction followed by heat-treating it at a temperature falling from the glass transition point (Tg) to the melting point (Tm) thereof, which is a cellulose acylate film satisfying the following relations (1) to (6) and containing at least one cellulose acylate and at least one retardation enhancer having an absorption maximum wavelength ?max of from 280 nm to 380 nm: (1) 35 nm?Re(550)?75 nm, (2) 85 nm?Rth(550)?140 nm, (3) 0 nm<?Re(630?450)?40 nm, (4) ?75 nm??Rth(630?450)<0 nm, (5) 2.7?A+B?3.0, and (6) B?0, wherein “A” means a degree of substitution with an acetyl group of said at least one cellulose acylate, and “B” means a degree of substitution with an acyl group having at least 3 carbon atoms thereof.

Abstract: A liquid crystal display device including: a light source; a polarizing film of light source side; a liquid crystal cell; and a polarizing film of display side is provided, the liquid crystal display device further comprising: an optical compensatory sheet disposed between the liquid crystal cell and the polarizing film of the light source side or between the liquid crystal cell and the polarizing film of the display side; and a light-scattering sheet disposed at an outermost surface of the polarizing film of display side, wherein luminance in a normal direction with respect to the liquid crystal display device in a black display state without the light-scattering sheet is 0.3 cd/m2 or less, maximum value of black luminance in a polar angle range within 600 with respect to the normal direction is 2.0 cd/m2 or less, and total haze of the light-scattering sheet is from 30 to 90%.