Lg Chem, Ltd

Anhui Hemei Materials Technology Co., Ltd.

Jun-Wuk Park

Eun-Soo Huh

Kwang-Seung Park

Mi-Rin Lee

Nam-Jeong Lee

Yi-Rang Lim

Hwa-Sub Shim

Kyoung-Won Kim

Sung-Hyun Jeon

Sung-Hyun Kim

Kyun-Il Rah

Eun-Mi Seo

Hae-Sung Cho

Hyun-Hee Son

Jee-Hyon Min

Jun-Geun Um

Jae-Ho Jung

Nam Jeong Lee

Jeong-Min Choi

Eun Soo Huh

Sang-Min Kwak

Suk-Il Youn

Je-Hyuk Yoo

Jae-Hoon Shim

Kyun-II Rah

Kyung-Ki Hong

Dong-Kyun Ha

Tae-Jun Hwang

Byung-Min Lee

Sunghyun Jeon

There are provided a high brightness polarizing plate and a liquid crystal display device including the high brightness polarizing plate as a lower polarizing plate. The high brightness polarizing plate includes: a polarizer; and a protective film disposed on a side of the polarizer, wherein the protective film faces a backlight unit, and a primer layer including a low-refractive polymer resin and fine hollow particles is formed on a side of the protective film opposite to a side thereof facing the polarizer.

High brightness polarizing plate and liquid crystal display device including the same

The present invention relates to a radical-curable adhesive composition including a radical-polymerizable first compound that includes at least two hydroxyl groups in the molecule, and having hydroxyl value of 500 mg KOH/g or greater, and a polarizing plate and an optical member including the radical-curable adhesive composition.

Radical curable adhesive composition, and polarizing plate and optical member comprising same

There is provided an optical film including an acrylic film, and a functional coating layer formed on at least one side of the acrylic film. The functional coating layer includes a water-dispersible resin and at least two kinds of fine particles having different average particle sizes.

Optical film including functional coating layer, and polarizing plate and image display apparatus including the same

The present invention relates to an optical film including: a base material film; and a primer layer containing a polyester resin and water-dispersible minute particulates on at least one surface of the base material film and having a refractive index difference of 0.03 or less from the base material film, in which the polyester resin includes polyester glycol formed by a reaction of polybasic acid including an aromatic carboxylic acid compound and an aliphatic carboxylic acid compound at a mole ratio of 1:9 to 9:1 and polyol, adhesion force between the optical film and a functional coating layer is excellent, and a rainbow phenomenon is reduced and an optical property is excellent due to a small refractive index difference.

Optical film comprising primer layer containing polyester resin and polarizing plate using same

The present invention relates to a polarizing plate including: a polarizer; a first protective layer formed on at least one surface of the polarizer; and a second protective layer formed on a surface opposite to a surface adjacent to a polarizer of the first protective layer, in which the first protective layer is a cured product of a radical curable composition, and the second protective layer is a cured product of a cationic curable composition, a manufacturing method thereof, and an image display device including the same.

Polarizing plate, method for manufacturing same, and image display device comprising same

The present invention relates to a radical-curable adhesive composition including a (A) radical-polymerizable compound that includes at least one hydrophilic functional group in the molecule in greater than 30 parts by weight and less than or equal to 93 parts by weight; a (B) multifunctional (meth)acryl-based compound in 5 to 40 parts by weight; a (C) phosphate compound that includes one or two (meth)acrylic groups in the molecule in 1 to 40 parts by weight; and a (D) radical initiator in 0.5 to 20 parts by weight, with respect to 100 parts by weight of the radical-curable adhesive composition, and a polarizing plate and an optical member including the radical-curable adhesive composition.

The present invention relates to a method for manufacturing a single-faced thin polarizing plate, including: supplying a process film to one surface of a polarizer having a thickness of 50 &#x3bc;m or less; supplying a protection film to the other surface of the polarizer; forming an adhesive layer by supplying an adhesive composition between the polarizer and the protection film; pressing a laminate of the process film/the polarizer/the protection film by disposing a pair of pressing units on a surface of each of the process film and the protection film; and stripping the process film, in which stripping force between the polarizer and the process film is 1.0 N or less.

Method for manufacturing one-sided thin polarizing plate

The present invention relates to a polarizing plate including: a polarizer; and a protective layer formed on at least one surface of the polarizer, in which the protective layer is a cured product of a radical curable composition including: (A) a radical polymerizable compound including at least one hydrophilic functional group in a molecule thereof; (B) a multifunctional (meth)acrylic compound; (C) a phosphate compound including one or two (meth)acryl groups in a molecule thereof; and (D) a radical initiator, and an image display device including the same.

Polarizing plate and image display apparatus comprising same

The present disclosure relates to a polarizing plate including: a polarizer; and a protective layer formed on at least one surface of the polarizer, wherein the protective layer is formed of a composition for a polarizing plate protective layer, including a curable compound, a non-curable polymer, and a polymerization initiator, the curable compound being at least one selected from a group consisting of a compound including a functional group containing at least one of O, N and F atoms and having an ethylenically unsaturated bond and a ring-opening polymerizable compound, and the non-curable polymer including a functional group containing at least one of O, N and F atoms in a side chain thereof.

Polarizing plate

The present invention relates to a polarizing plate including: a polarizer; and a protective layer formed on at least one surface of the polarizer, in which the protective layer is a cured product of a radical curable composition including: (A) an acid anhydride-based compound having at least one unsaturated double bond between carbons; (B) a vinyl-based compound having at least one electron donor group; (C) a radical initiator; and (D) a cation generator, and an image display device including the same.

The present invention relates to a radical-curable adhesive composition including an acid anhydride-based compound having at least one carbon-carbon unsaturated double bond, a vinyl-based compound having at least one electron donor group, a radical initiator, and a cation generator, wherein the content of the acid anhydride-based compound and the vinyl-based compound is 0.8 to 1.0 by an equivalence ratio of mixing represented by the following Equation (1), and a polarizing plate and an optical member including the radical-curable adhesive composition:Equivalence Ratio of Mixing=&#x2003;&#x2003;Equation(1):and in Equation (1), M is the number of carbon-carbon unsaturated double bonds capable of participating in polymerization in the molecule including an acid anhydride group included in the acid anhydride-based compound; and N is the number of carbon-carbon unsaturated double bonds capable of participating in polymerization in the molecule included in the vinyl-based compound.

The present invention relates to a radical-curable adhesive composition including a (A) radical-polymerizable compound having at least one hydrophilic functional group in the molecule; a (B) phosphate-based compound having three (meth)acrylic groups in the molecule; and a (C) radical initiator, and a polarizing plate and an optical member including the radical-curable adhesive composition.

The present invention relates to a polarizing plate including a polarizer; and a protective layer formed on at least one surface of the polarizer, in which the protective layer is a cured product of a radical curable composition having a hydroxy value of 500 mg&#xb7;KOH/g or more, and an image display device including the same.

The present invention relates to an optical film including an acryl-based film; and a functional coating layer formed on at least one surface of the acryl-based film, containing a conductive material and a water-dispersible resin and having surface resistance of 10W/Sq to 10W/Sq.

Optical film including functional coating layer and polarizing plate and image display device including same

There are provided a retardation film, a manufacturing method thereof, and a liquid crystal display device including the same. The retardation film includes 1) an acrylic film, 2) a coating layer of a negative C-type material, and 3) a primer layer including a copolymer containing an aromatic vinyl-based unit and a maleic acid-based unit, provided between the acrylic film and the coating layer of the negative C-type material. The retardation film may be used in an in-plane switching mode liquid crystal display device.

Growing community of inventors

Daejeon, South Korea

Jun-Wuk Park