Abstract: An optical film includes: a liquid crystal coating; and a base layer on the liquid crystal coating, wherein the liquid crystal coating has reversed wavelength dispersion and in-plane retardation for a reference wavelength ranging from 126 nm to 153 nm, and the base layer has in-plane retardation ranging from about 0 to about 50 nm and out-of-plane retardation ranging from about 0 nm to about 100 nm.

Abstract: A polarization film, including: a hydrophobic polymer resin and a dichroic dye represented by Chemical Formula 1: wherein in Chemical Formula 1, wherein, in Chemical Formula 1, Ar1 is a substituted or unsubstituted C6 to C15 arylene group, Ar2 is a C6 to C15 arylene group substituted with at least one of a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C1 to C20 alkoxy group, a halogen atom and a halogen-containing group, Ar3 is a C6 to C15 arylene group substituted with an amide group, R1 is a substituted or unsubstituted C1 to C20 alkyl group or a substituted or unsubstituted C1 to C20 alkoxy group, R2 and R3 are each independently a substituted or unsubstituted C1 to C20 alkyl group, or R2 and R3 are linked to each other to form a ring, and n is 1 or 2.

Abstract: A compensation film includes: a first retardation layer including a polymer; a second retardation layer including a liquid crystal having positive birefringence; and a compensation layer including a liquid crystal having a vertical alignment property, where an angle between slow axes of the first and second retardation layers is in a range of about 85 to about 95 degrees, an entire in-plane retardation (Re0) of the first retardation layer, the second retardation layer and the compensation layer for wavelengths of 450 nm, 550 nm and 650 nm satisfy the following inequation: Re0(450 nm)<Re0(550 nm)<Re0(650 nm), an in-plane retardation (Re3) of the compensation layer for the incident light having a wavelength of about 550 nm is in a range of about zero to about 50 nm, and a thickness direction retardation (Rth3) of the compensation layer for the incident light is less than zero.

Abstract: An optical film includes: a liquid crystal coating; and a base layer on the liquid crystal coating, wherein the liquid crystal coating has reversed wavelength dispersion and in-plane retardation for a reference wavelength ranging from 126 nm to 153 nm, and the base layer has in-plane retardation ranging from about 0 to about 50 nm and out-of-plane retardation ranging from about 0 nm to about 100 nm.

Abstract: A retardation film including: a first optical anisotropic layer including a polymer material; and a second optical anisotropic layer including a liquid crystal material, in which the first optical anisotropic layer has refractive indices which satisfy the following inequation: nz1?nx1>ny1, the second optical anisotropic layer has refractive indices which satisfy the following inequation: nx2>ny2?nz2, a fast axis of the first optical anisotropic layer and a slow axis of the second optical anisotropic layer form a predetermined angle such that refractive indices of the retardation film satisfy the following inequation: 0<(nx0?nz0)/(nx0?ny0)<1, and in-plane retardation values (Re0) of the retardation film respectively at a wavelength of about 450 nanometers, 550 nanometers and 650 nanometers satisfy the following inequation: Re0 (450 nm)<Re0 (550 nm)<Re0 (650 nm).

Abstract: Disclosed is a polymer comprising a repeating unit represented by Chemical Formula 1, or a polymer comprising a repeating unit represented by Chemical Formula 2: wherein R1, R2, x and y are as defined herein.

Abstract: An optical film includes a polarization film including a polyolefin and a dichroic dye, a first phase delay layer positioned on one side of the polarization film and including a liquid crystal, a second phase delay layer positioned on one side of the first phase delay layer and including a liquid crystal, a first adhesive between the polarization film and the first phase delay layer, and a second adhesive between the first phase delay layer and the second phase delay layer, wherein at least one of the first adhesive and the second adhesive has a room temperature storage modulus of greater than or equal to about 0.2 MPa at a frequency of 10 Hz, and a display device including the same, are provided.

Abstract: An optical film includes a polarizing film including a polyolefin and a dichroic dye, a phase delay layer positioned on one side of the polarizing film, and a curable adhesive positioned between the polarizing film and the phase delay layer. A method of manufacturing the optical film, and a display device including the optical film are also disclosed.

Abstract: An embodiment of an optical film includes: a polarization layer; a first phase retardation layer; a second phase retardation layer; and a light blocking layer disposed between the first phase retardation layer and the second phase retardation layer and extending along a circumference of the second phase retardation layer, wherein the polarization layer is disposed on the first phase retardation, the first phase retardation layer is disposed on the second phase retardation layer, an in-plane retardation value of the first phase retardation layer at a standard wavelength of about 550 nanometers is in a range from about 240 nanometers to about 300 nanometers, and an in-plane retardation value of the second phase retardation layer at the standard wavelength is in a range from about 110 nanometers to about 160 nanometers.

Abstract: A composition for a polarization film including a polyolefin component including polypropylene and a polyethylene-polypropylene copolymer; and a dichroic dye.

Abstract: A composition for a polarization film including a polyolefin component including polypropylene and a polyethylene-polypropylene copolymer; and a dichroic dye.

Abstract: An antireflective film for a flexible display device includes a polarizing film, a compensation film, and an adhesion layer positioned therebetween, and, the antireflective film has a retardation change (?R) relative to initial retardation (R0) satisfying the following Equation 1 when bent with a curvature radius (r) of greater than or equal to about 3 mm: ? ? ? R R 0 × 100 ? 10 ? % .

Abstract: A polarizing film includes a core layer including a first hydrophobic polymer and a dichroic dye, and a first skin layer and a second skin layer disposed at respective sides of the core layer and including a second hydrophobic polymer, wherein the first skin layer, the core layer, and the second skin layer are integrated.

Abstract: A composition for a polarizing film including a polymer and at least one of dichroic dye, wherein the dichroic dye includes a first dichroic dye represented by Chemical Formula 1 and having a molecular weight of greater than or equal to about 500 Daltons: wherein in Chemical Formula 1, Ar1 to Ar3, R1, R2, n, and m are the same as described in the detailed description.

Abstract: A polarizing film includes a melt-elongation film including a polyolefin selected from a polyethylene-polypropylene copolymer, a mixture of polyethylene and polypropylene, a mixture of polypropylene and a polyethylene-polypropylene copolymer, and a mixture thereof, and a dichroic dye, wherein the polyolefin includes about 0.15 to about 3 percent by weight of ethylene groups.

Abstract: A polarizing film includes a high-temperature elongation film of a polyolefin and a dichroic dye, and the polyolefin has zero shear viscosity (?0) ranging from about 2600 Pa·s to about 17400 Pa·s at a temperature of about 210° C. (±3° C.).

Abstract: A compensation film includes a first retardation layer comprising a polymer having negative birefringence, and a second retardation layer comprising a polymer having negative birefringence, where the first retardation layer has an in-plane retardation (Re1) in a range of about 180 nanometers to about 300 nanometers for incident light having a wavelength of about 550 nanometers, the second retardation layer has an in-plane retardation (Re2) in a range of about 60 nanometers to about 170 nanometers for the incident light having the wavelength of about 550 nanometers, and the entire in-plane retardation (Re0) of the first retardation layer and the second retardation layer for incident light having wavelengths of about 450 nanometers and about 550 nanometers satisfies the following inequation: Re0(450 nm)<Re0(550 nm).

Abstract: A polarizing film including a melt-elongated film including a polyolefin and a dichroic dye represented by Chemical Formula 1: wherein in Chemical Formula 1, each group and variable is the same as defined in the detailed description.

Abstract: An optical film including a polymer including a repeating unit A including a repeating unit represented by the following Chemical Formulas 1 to 3, or a combination thereof; and a repeating unit B derived from a monomer having an unsaturated bond copolymerizable with the repeating unit A, wherein the optical film has a short wavelength dispersion of an in-plane phase-difference value (Re) (450 nm/550 nm) ranging from about 0.81 to about 1.20, and a long wavelength dispersion of an in-plane phase-difference value (Re) (650 nm/550 nm) ranging from about 0.90 to about 1.18: wherein, in Chemical Formulas 1 to 3, the variables R1 to R21 are defined herein.

Abstract: A composition for a polarizing film, including a polyolefin and a dichroic dye represented by Chemical Formula 1: wherein in Chemical Formula 1, groups and variables are the same as defined in the detailed description.