Abstract: Provided are a polarizing plate for a light emitting display device and the light emitting display device including same, the polarizing plate for a light emitting display device having a first adhesive film, a second protective layer, a polarizer, and a first protective layer sequentially laminated therein. The polarizing plate includes a UV absorber; and an as value of the polarizing plate is about ?2.0 to about ?20.0, and a bs value of the polarizing plate is about 3.0 to about 30.0.

Abstract: Provided are a polarizing plate for a light emitting display device and the light emitting display device including same, the polarizing plate for a light emitting display device having a first adhesive film, a second protective layer, a polarizer, and a first protective layer sequentially laminated therein. The polarizing plate includes a UV absorber; and an as value of the polarizing plate is about ?2.0 to about ?20.0, and a bs value of the polarizing plate is about 3.0 to about 30.0.

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: An optical film includes: a polarization layer; a first phase retardation layer having an optic axis at an angle in a range from about 17 degrees to about 27 degrees or from about ?27 degrees to about ?17 degrees with respect to a transmission axis of the polarization layer; and a second phase retardation layer having an optic axis at an angle in a range from about 85 degrees to about 95 degrees with respect to the transmission axis of the polarization layer. The polarization layer, the first phase retardation layer, and the second phase retardation layer are deposited in sequence, the first phase retardation layer is a half-wave plate, the second phase retardation layer is a quarter-wave plate, and out-of-plane retardation values of the first phase retardation layer and the second phase retardation layer for incident light having the standard wavelength have opposite signs.

Abstract: An optical film includes: a first optical phase retardation layer having a relation nx1?ny1?nz1; a second optical phase retardation layer disposed under the first optical phase retardation layer and having a relation nx2?ny2<nz2; and a third optical phase retardation layer disposed on the first optical phase retardation layer and having a relation nx3?ny3<nz3, where nzi (i=1, 2, 3) denotes a refractive coefficient in a thickness direction of the i-th optical phase retardation layer, and nxi and nyi denote refractive coefficients in two orthogonal directions in a plane substantially perpendicular to the thickness direction of the i-th optical phase retardation layer.

Abstract: An optical film including a polarization layer, a first phase delay layer positioned on a side of the polarization layer and including a liquid crystal, and a second phase delay layer positioned on a side of the first phase delay layer, where the first phase delay layer has an optical axis defining an angle of about 17 degrees to about 27 degrees or about ?27 degrees to about ?17 degrees relative to a transmissive axis of the polarization layer, and the second phase delay layer has an optical axis defining an angle of about 85 degrees to about 95 degrees relative to the transmissive axis of the polarization layer.

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 polarizing plate includes a polarizer; a first retardation film formed on a lower surface of the polarizer and having an in-plane retardation (Ro) at a wavelength of about 550 nm of about 180 nm to about 220 nm; and a second retardation film formed on a lower surface of the first retardation film and having an in-plane retardation (Ro) at a wavelength of about 550 nm of about 50 nm to about 80 nm. The first and second retardation films have thickness direction retardations (Rth) of opposite signs at a wavelength of about 550 nm. An optical display includes the polarizing plate.

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: 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 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: The liquid crystal display of the present invention includes: a liquid crystal panel including vertical alignment liquid crystals encapsulated between a first substrate and a second substrate; a first compensation layer stacked on one side of the first layer; a first polarizing layer stacked on one side of the first compensation layer; a second compensation layer stacked on one side of the second substrate; and a second polarizing layer stacked on one side of the second compensation layer, wherein the first compensation layer includes a polyimide copolymer, and the polyimide copolymer is a copolymer of a monomer mixture including maleimide compounds and aromatic vinyl compounds. The liquid crystal display provides significantly improved lateral viewing angle.

Abstract: A polarizing plate includes a polarizer; a first retardation film formed on a lower surface of the polarizer and having an in-plane retardation (Ro) at a wavelength of about 550 nm of about 180 nm to about 220 nm; and a second retardation film formed on a lower surface of the first retardation film and having an in-plane retardation (Ro) at a wavelength of about 550 nm of about 50 nm to about 80 nm. The first and second retardation films have thickness direction retardations (Rth) of opposite signs at a wavelength of about 550 nm. An optical display includes the polarizing plate.

Abstract: An optical compensation film includes: a first layer having positive birefringence; a second layer on the first layer and having negative birefringence; and a third layer on the second layer and having positive birefringence. A retardation value of the optical compensation film for incident light having a wavelength of about 550 nm is about 135 nm to about 145 nm, and a ratio of a thickness of the first layer or of the third layer to a thickness of the second layer is about 1.1 to 2.2.

Abstract: A polarizing plate for an OLED and an OLED display, the polarizing plate including a polarizer; a first retardation layer on a lower side of the polarizer; a second retardation layer on a lower side of the first retardation layer; and a pattern layer on a lower side of the second retardation layer, the pattern layer including a plurality of engraved patterns on a lower side thereof.

Abstract: An optical film including a polarization layer, a first phase delay layer positioned on a side of the polarization layer and including a liquid crystal, and a second phase delay layer positioned on a side of the first phase delay layer, where the first phase delay layer has an optical axis defining an angle of about 17 degrees to about 27 degrees or about ?27 degrees to about ?17 degrees relative to a transmissive axis of the polarization layer, and the second phase delay layer has an optical axis defining an angle of about 85 degrees to about 95 degrees relative to the transmissive axis of the polarization layer.

Abstract: The liquid crystal display of the present invention includes: a liquid crystal panel including vertical alignment liquid crystals encapsulated between a first substrate and a second substrate; a first compensation layer stacked on one side of the first layer; a first polarizing layer stacked on one side of the first compensation layer; a second compensation layer stacked on one side of the second substrate; and a second polarizing layer stacked on one side of the second compensation layer, wherein the first compensation layer is comprised of a polyimide copolymer, and the polyimide copolymer is a copolymer of a monomer mixture comprising maleimide compounds and aromatic vinyl compounds. The liquid crystal display provides significantly improved lateral viewing angle.

Abstract: A polarizing plate for an OLED and an OLED display, the polarizing plate including a polarizer; a first retardation layer on a lower side of the polarizer; a second retardation layer on a lower side of the first retardation layer; and a pattern layer on a lower side of the second retardation layer, the pattern layer including a plurality of engraved patterns on a lower side thereof.

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: An optical film includes: a first optical phase retardation layer having a relation nx1?ny1?nz1; a second optical phase retardation layer disposed under the first optical phase retardation layer and having a relation nx2?ny2<nz2; and a third optical phase retardation layer disposed on the first optical phase retardation layer and having a relation nx3?ny3<nz3, where nzi (i=1, 2, 3) denotes a refractive coefficient in a thickness direction of the i-th optical phase retardation layer, and nxi and nyi denote refractive coefficients in two orthogonal directions in a plane substantially perpendicular to the thickness direction of the i-th optical phase retardation layer.