Samsung Sdi Co., Inc.

Yong Un Jung

Young Oh

Dong Ho Wee

Young Hyun Ju

Jeong Ho Lee

Jang Hyun Cho

Dae Seob Shim

Dae Gyu Lee

Jin Woo Kim

Young Min Kim

Kyoung Ku Kang

Young Jin Kim

Dong Myeong Shin

Oh Hyeon Hwang

Ji Hyeon Yim

So Yeon Gong

Da Neung Park

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.

Polarizing plate having engraved optical patterns and liquid crystal display including the same

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.

Liquid crystal display apparatus

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 (&#x3b8;) of 60&#xb0; to 90&#xb0;. The slope of the reflectance of the polarization plate in Equation 2 is no greater than 0.3.

Polarizing plate and liquid crystal display device including same

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&#xb0; to approximately 90&#xb0;, 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.

Polarizing plate and optical display device including same

An optical film includes: a protective layer; and a contrast ratio improvement layer including a first resin layer and a second resin layer facing the first resin layer, the second resin layer and the first resin layer being sequentially stacked from a lower surface of the protective layer, wherein the second resin layer has a refractive index greater than that of the first resin layer. The first resin layer has a patterned portion with at least two embossed optical patterns and flat sections immediately adjacent to and between the embossed optical patterns. The patterned section is in at least a portion thereof facing the second resin layer. A polarizing plate including the optical film and a liquid crystal display apparatus including the polarizing plate are also provided.

Optical film, polarizing plate including the optical film, and liquid crystal display apparatus including the polarizing plate

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.

Polarizer and optical display device comprising same

Provided are a polarizing plate and a liquid crystal display device comprising the same, wherein the polarizing plate comprises a polarizer, a contrast ratio improvement film, an adhesive layer, and an antireflection film, which are sequentially laminated therein, the contrast ratio improvement film comprises a first protective layer, and a first resin layer and a second resin layer which are opposite to each other, the first resin layer includes an optical pattern including a pattern portion having a flat portion on one surface opposite to the second resin layer, and the adhesive layer has a haze of about 5% to about 40%.

Polarizing plate with adhesive layer having specified haze and liquid crystal display device comprising same

Polarizing plate having optical patterns and liquid crystal display including the same

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 (&#x3b8;) of 75&#xb0; to 90&#xb0;. The slope of the reflectance of the polarization plate in Equation 2 is no greater than 0.3.

Provided are a contrast ratio improving optical film, a polarizing plate comprising the same, and a liquid crystal display device comprising the same, wherein the contrast ratio improving optical film comprises a contrast ratio improving layer. The contrast ratio improving layer comprises a first resin layer and a second resin layer which faces the first resin layer, wherein the second resin layer comprises a pattern part having optical patterns and a flat part between the optical patterns. The optical patterns have at least one inclined surface with respect to the flat part, and the flat part or the inclined surface has a light absorption layer formed thereon. The contrast ratio improving optical film has a lowest reflectance of 0.5% or less.

Contrast ratio improving optical film, polarizing plate comprising same, and liquid crystal display device comprising same

An optical film, a polarizing plate including the same, and a liquid crystal display including the same are provided. The optical film includes a protective layer and a contrast improving layer, wherein the contrast improving layer includes a second resin layer that is stacked from the protective layer, and a first resin layer facing the second resin layer.

Optical film, polarizing plate including the same, and liquid crystal display including the same

An optical film for improving contrast ratio, a polarizing plate including the same, and a liquid crystal display including the polarizing plate are provided. An optical film for improving contrast ratio includes a protective layer and a contrast ratio improving layer on the protective layer, and the contrast ratio improving layer includes a first resin layer and a second resin layer facing the first resin layer, and the second resin layer includes a patterned portion having optical patterns and a flat section between the optical patterns, contains a light absorber, and satisfies Equation 1 as defined herein.

Optical film for improving contrast ratio, polarizing plate including the same, and liquid crystal display apparatus including the same

A transparent conductor, a method of manufacturing the same, and a display including the same, the transparent conductor including metal nanowires; and a matrix in which the metal nanowires are embedded, wherein a capping layer is formed on surfaces of the metal nanowires, the capping layer including a sulfur-containing compound, and the capping layer has a thickness of about 0.025 or less times an average diameter of the metal nanowires.

Growing community of inventors

Suwon-si, South Korea

Yong Un Jung