Lg Chem, Ltd

Eun-Soo Huh

Kwang-Seung Park

Mi-Rin Lee

Jun-Wuk Park

Eun-Mi Seo

Nam-Jeong Lee

Yong-Il Cho

Sung-Hyun Kim

Kyun-Il Rah

Hwa-Sub Shim

Yi-Rang Lim

Sung-Hyun Jeon

Hae-Sung Cho

Hyun-Hee Son

Jee-Hyon Min

Kyun-II Rah

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

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 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.

A method of manufacturing a double-sided polarizing plate and a double-sided polarizing plate manufactured using the same are provided. The method of manufacturing a double-sided polarizing plate includes attaching transparent films to both surfaces of a polarizer by means of adhesive layers, irradiating the adhesive layers with active energy rays emitted by an energy source disposed in a single direction with respect to the polarizer, and thermally treating a surface of the transparent film disposed opposite to the energy source at a temperature of 25&#xb0; C. to 65&#xb0; C.

Method of manufacturing double-sided polarizing plate and double-sided polarizing plate manufactured using the same

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.

A method of manufacturing a double-sided polarizing plate and a double-cited polarizing plate manufactured using the same are disclosed. The method of manufacturing a double-sided polarizing plate including attaching transparent films to both surfaces of a polarizer via adhesive layers; irradiating the adhesive layers with active energy rays in an amount of light of 200 mJ/cmor more through an energy source located in a single direction, based on the polarizer; and thermally treating a surface of the transparent film provided to oppose the energy source at a temperature of from 10&#xb0; C. to 25&#xb0; C.

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 having at least one hydrophilic functional group in a molecule thereof; (B) a phosphate-based compound having three (meth)acryl groups in a molecule thereof; and (C) a radical initiator, and an image display device including the same.

Polarizing plate and image display device comprising same

There are provided a radically curable adhesive composition and a polarizing plate including the radically curable adhesive composition. The radically curable adhesive composition includes, based on 100 parts by weight thereof, 40 to 80 parts by weight of a first compound represented by the following Formula 1; 15 to 50 parts by weight of a second compound including at least one carboxy group; and 0.5 to 10 parts by weight of a radical initiator.

Radically curable adhesive composition and polarizing plate including the same

The present disclosure relates to a polarizing plate excellent durability even under high humidity conditions and more particularly, 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 cured product of a radically curable composition including a compound represented by the following [Chemical Formula 1]; a vinyl ether compound; a carboxylic acid compound including at least one unsaturated double bond; and a radical initiator.

There are provided a radically curable adhesive composition maintaining adhesiveness thereof even in high-humidity environments, and a polarizing plate including the radically curable adhesive composition. The radically curable adhesive composition includes: a compound represented by Formula 1; a vinyl ether-based compound; a carboxylic acid compound having at least one unsaturated double bond; and a radical initiator.

Growing community of inventors

Daejeon, South Korea

Eun-Soo Huh