Abstract: A polarizing plate and a liquid crystal display including the same are provided. A polarizing plate includes a polarizing film and a contrast-improving optical film sequentially stacked in the stated order. The contrast-improving optical film includes a contrast-improving layer including a first resin layer and a second resin layer facing the first resin layer. The second resin layer includes a patterned portion having optical patterns and a flat section between the optical patterns. The second resin layer satisfies Equation 1, and the polarizing plate has a contrast ratio gain of about 1.00 or more, as represented by Equation 2.

Abstract: A polarizing plate and an optical display apparatus including the same are provided. A polarizing plate includes: a polarizer; and a pattern layer stacked on a light exit surface of the polarizer, and the pattern layer includes a second resin layer and a first resin layer sequentially stacked from the polarizer; a first patterned portion including a plurality of first optical patterns is formed at an interface between the first resin layer and the second resin layer; and a second patterned portion including a plurality of second optical patterns is formed on a lower surface of the second resin layer, the first optical patterns and the second optical patterns satisfying Relations 1 and 2.

Abstract: A liquid crystal display apparatus includes: a liquid crystal panel; and a viewer-side polarizing plate stacked on a light exit surface of the liquid crystal panel, and the viewer-side polarizing plate includes a patterned layer including a first resin layer and a second resin layer having different indexes of refraction; and a patterned portion including multiple engraved optical patterns and a flat section between adjacent engraved optical patterns of the multiple optical patterns is formed at an interface between the first resin layer and the second resin layer, and the liquid crystal display apparatus satisfies Equation 1 herein and the engraved optical patterns have an aspect ratio of 0.3 or more.

Abstract: A polarizing plate and an optical display apparatus are disclosed. A polarizing plate includes a polarizer and a stack of retardation layers on a surface of the polarizer, and the stack of retardation layers includes a second retardation layer and a first retardation layer stacked on the polarizer in sequence from the surface of the polarizer, the second retardation layer being a non-liquid crystal layer, and the stack of retardation layers has an out-of-plane retardation of ?40 nm or more to less than 0 nm at a wavelength of 550 nm and satisfies Relation 1.

Abstract: A polarizing plate and an optical display including the same are provided. A polarizing plate includes: a polarizing film; a first base layer; and a pattern layer, the first base layer and the pattern layer being sequentially arranged on a light exit surface of the polarizing film, and the pattern layer includes a first layer and a second layer sequentially arranged on the first base layer, the first layer having a higher index of refraction than the second layer, and the first layer includes a patterned portion at at least a portion thereof facing the second layer, the patterned portion including at least two optical patterns and a flat section between optical patterns of the at least two optical patterns that are adjacent to each other.

Abstract: A polarizing plate and an optical display apparatus including the same are provided. A polarizing plate includes: a polarizer; and a stack of retardation layers on at least one surface of the polarizer, and the stack of retardation layers includes a second retardation layer, a primer layer, and a first retardation layer stacked in sequence on the polarizer, and the primer layer has a glass transition temperature of 60° C. to 150° C. and is a (meth)acrylate-based primer layer.

Abstract: A polarizing plate and a liquid crystal display including the same are provided. A polarizing plate includes: a polarizer; and a pattern layer on a light exit surface of the polarizer, the pattern layer including a first resin layer and a second resin layer sequentially arranged on the polarizer, a pattern portion being located at an interface between the first resin layer and the second resin layer and being composed of at least two pattern groups repeatedly arranged therein, each of the pattern groups including at least two engraved optical patterns; and at least two of the engraved optical patterns in each of the pattern groups having different aspect ratios and different base angles.

Abstract: A polarizing plate and an optical display device comprising same are provided. The polarizing plate comprises: a polarizer; and a pattern layer disposed on the upper surface of the polarizer. The pattern layer includes a first resin layer, wherein the first resin layer has one or more intaglio patterns formed on the lower surface thereof. The intaglio pattern has side surfaces, and a first surface and a second surface having different base angles with respect to the maximum width of the intaglio pattern are continuously formed on the side surfaces. The first and second surfaces satisfy Equation 1, and when h1 is a height projected on the first surface and h2 is a height projected on the second surface, among the maximum heights of the intaglio pattern, h1 and h2 satisfy Equation 2.

Abstract: Disclosed herein are a polarizing plate and an optical display apparatus including the same. A polarizing plate includes: a polarizer; and a patterned portion including a first resin layer and a second resin layer stacked on at least one surface of the polarizer and having different indexes of refraction, and the first resin layer is a patterned layer including: multiple first optical patterns formed at intervals at an interface with the second resin layer; and one or more second optical patterns formed between each pair of adjacent first optical patterns, and the first optical pattern and the second optical pattern satisfy Relations 1 to 3 set forth herein.

Abstract: A liquid crystal display apparatus includes: a liquid crystal panel; and a viewer-side polarizing plate stacked on a light exit surface of the liquid crystal panel, and the viewer-side polarizing plate includes a patterned layer including a first resin layer and a second resin layer having different indexes of refraction; and a patterned portion including multiple engraved optical patterns and a flat section between adjacent engraved optical patterns of the multiple optical patterns is formed at an interface between the first resin layer and the second resin layer, and the liquid crystal display apparatus satisfies Equation 1 herein and the engraved optical patterns have an aspect ratio of 0.3 or more.

Abstract: A polarizing plate and an optical display apparatus including the same are provided. A polarizing plate includes: a polarizer; and a pattern layer stacked on a light exit surface of the polarizer, and the pattern layer includes a second resin layer and a first resin layer sequentially stacked from the polarizer; a first patterned portion including a plurality of first optical patterns is formed at an interface between the first resin layer and the second resin layer; and a second patterned portion including a plurality of second optical patterns is formed on a lower surface of the second resin layer, the first optical patterns and the second optical patterns satisfying Relations 1 and 2.

Abstract: A liquid crystal display apparatus includes a liquid crystal panel; a viewer-side polarizing plate stacked on a light exit surface of the liquid crystal panel; and a first optical sheet and a second optical sheet sequentially stacked on a light incidence surface of the liquid crystal panel, and the viewer-side polarizing plate includes a polarizer and a contrast ratio or viewing angle-enhancing layer; the liquid crystal panel has a horizontal direction corresponding to a long side thereof and a vertical direction corresponding to a short side thereof; and the first optical sheet has a plurality of first optical patterns on a light exit surface thereof, an angle of a longitudinal direction of the first optical patterns relative to the vertical direction of the liquid crystal panel being from ?10° to +10°.

Abstract: Provided are a polarizing plate and a liquid crystal display device including same, the polarizing plate including a polarization film, a contrast-improving layer, and an anti-reflection film that are sequentially laminated. The minimum reflectance of the anti-reflection film is no greater than 0.45%. The anti-reflection film has a first substrate layer, a high-refraction layer and a low-refraction layer that are laminated in order from the contrast-improving layer. The contrast-improving layer includes a first resin layer and a second resin layer facing the first resin layer. The second resin layer is provided with a pattern part having optical patterns and a flat part between the optical patterns. The pattern part satisfies Equation 1 and the optical patterns have a base angle (?) of 60° to 90°. The slope of the reflectance of the polarization plate in Equation 2 is no greater than 0.3.

Abstract: Provided are a polarizing plate and an optical display device including same, the polarizing plate comprising a polarizing film and a contrast ratio enhancement layer formed on a light-emitting surface of the polarizing film, wherein the contrast ratio enhancement layer comprises: a first resin layer including a pattern unit having one or more engraved patterns and a flat portion formed between the engraved patterns; and a second resin layer directly formed on the pattern unit, wherein the engraved patterns have a base angle of approximately 75° to approximately 90°, the pattern unit satisfies formula 1, the first resin layer has a refractive index larger than that of the second resin layer, and the first resin layer includes a dye of which the maximum absorption wavelength is approximately 550 nm to approximately 620 nm.

Abstract: A polarizing plate and an optical display including the same are provided. A polarizing plate includes: a polarizing film; a first base layer; and a pattern layer, the first base layer and the pattern layer being sequentially arranged on a light exit surface of the polarizing film, and the pattern layer includes a first layer and a second layer sequentially arranged on the first base layer, the first layer having a higher index of refraction than the second layer, and the first layer includes a patterned portion at at least a portion thereof facing the second layer, the patterned portion including at least two optical patterns and a flat section between optical patterns of the at least two optical patterns that are adjacent to each other.

Abstract: A polarizing plate and a liquid crystal display including the same are provided. A polarizing plate includes a polarizing film and a contrast-improving optical film sequentially stacked in the stated order. The contrast-improving optical film includes a contrast-improving layer including a first resin layer and a second resin layer facing the first resin layer. The second resin layer includes a patterned portion having optical patterns and a flat section between the optical patterns. The second resin layer satisfies Equation 1, and the polarizing plate has a contrast ratio gain of about 1.00 or more, as represented by Equation 2.

Abstract: A polarizing plate and an optical display including the same are provided. A polarizing plate includes: a polarizing film; a first base layer; and a pattern layer, the first base layer and the pattern layer being sequentially arranged on a light exit surface of the polarizing film, and the pattern layer includes a first layer and a second layer sequentially arranged on the first base layer, the first layer having a higher index of refraction than the second layer, and the first layer includes a patterned portion at at least a portion thereof facing the second layer, the patterned portion including at least two optical patterns and a flat section between optical patterns of the at least two optical patterns that are adjacent to each other.

Abstract: A polarizer and optical display device comprising the same are disclosed. Specifically, the polarizer comprises: a polarizing film; and a contrast ratio improving film formed on one surface of the polarizing film, wherein the contrast ratio improving film comprises a contrast ratio improving layer consisting of a first protective layer, and first and second resin layers facing each other, and the first resin layer has: pattern parts having two or more optical patterns on one surface thereof that faces the second resin layer and a flat part between the optical pattern and another immediately adjacent optical pattern.

Abstract: A polarizing plate and an optical display device comprising same are provided. The polarizing plate comprises: a polarizer; and a pattern layer disposed on the upper surface of the polarizer. The pattern layer includes a first resin layer, wherein the first resin layer has one or more intaglio patterns formed on the lower surface thereof. The intaglio pattern has side surfaces, and a first surface and a second surface having different base angles with respect to the maximum width of the intaglio pattern are continuously formed on the side surfaces. The first and second surfaces satisfy Equation 1, and when h1 is a height projected on the first surface and h2 is a height projected on the second surface, among the maximum heights of the intaglio pattern, h1 and h2 satisfy Equation 2.

Abstract: A polarizing plate and an optical display apparatus including the same are provided. A polarizing plate includes: a polarizer; and a pattern layer on a surface of the polarizer and including a first resin layer and a second resin layer facing the first resin layer, the first resin layer including a patterned portion located at at least a portion thereof facing the second resin layer, the patterned portion includes at least two embossed optical patterns and a flat section formed between a pair of adjacent embossed optical patterns, each of the embossed optical patterns includes an upper surface defining a wave pattern, and the wave pattern has a value of about 20% to 60%, as calculated according to Formula 1 herein, and a pitch of greater than about 100 ?m and less than about 400 ?m.