Lg Chem, Ltd

Lg Mma Corp.

Anhui Hemei Materials Technology Co., Ltd.

Nam-Jeong Lee

Jun-Wuk Park

Jun-Geun Um

Sang-Min Kwak

Yi-Rang Lim

Hwa-Sub Shim

Chang-Hun Han

Byoung-Il Kang

Eun-Mi Seo

Suk-Il Youn

Kyun-Il Rah

Jae-Bum Seo

Eun-Jung Choi

Sae-Han Cho

Dong-Ryul Kim

Eun-Soo Huh

Dae-Woo Lee

Min-Hee Lee

Jung-Tae Park

Beom-Seok Kim

Jong-Hun Lee

Joon-Sik Kim

Jee-Hyon Min

Joong-Hoon Lee

Kwang-Seung Park

Sung-Hyun Nam

Su-Kyung Kim

Da-Eun Sung

Jeong-Min Choi

Kyoung-Won Kim

Hae-Sung Cho

Hyun-Hee Son

Beom-Suk Kim

Sei-Jung Park

Kyung-Jae Kwon

Sung-Hyun Kim

Chan-Hong Lee

Mi-Rin Lee

Boong-Goon Jeong

Kyung-Seop Noh

Jong-Hyun Jung

Bae-Kun Shin

Ki-Su Ro

Hye-Min Yu

Byoung-Ho Jeon

Won-Hee Kim

Yoo-Young Jung

Eun Soo Huh

Sung-Hyun Jeon

Yu-Taek Sung

Kyun-II Rah

Dong-Kyun Ha

Tae-Jun Hwang

Sung-Il Park

Dong-Man Cho

Tae-Sung Park

Cheol-Ho Kim

Seong-Jang Jeon

Eun-Jin Jeon

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 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 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 disclosure relates to a multilayer optical film including a first film layer formed of a thermoplastic acrylic resin composition including 0.01 to 2.0 parts by weight of a triazine-based ultraviolet absorber; a second film layer formed of a thermoplastic acrylic resin composition including 0.1 to 5.0 parts by weight of at least one ultraviolet absorber selected from a group consisting of a triazole-based ultraviolet absorber, a benzophenone-based ultraviolet absorber, an oxanilide-based ultraviolet absorber and a cyanoacrylate-based ultraviolet absorber; and a third film layer formed of the thermoplastic acrylic resin composition including 0.01 to 2.0 parts by weight of the triazine-based ultraviolet absorber, with respect to 100 parts by weight of the thermoplastic acrylic resin composition, a method of manufacturing the same, and a polarizing plate including the same.

Multilayer optical film, method of producing the same and polarizer comprising 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 is provided an optical film including an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phr&#x3bc;min a wavelength band of 290 to 320 nm and a second peak with a maximum absorption coefficient of 0.11 to 0.16 phr&#x3bc;min a wavelength band of 330 to 400 nm, an acrylic resin, and a hindered amine light stabilizer (HALS), and a polarizing plate including the same.

Optical film exhibiting excellent blocking properties for ultraviolet light and polarizing plate including the 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.

Retardation film, manufacturing method thereof, and liquid crystal display device including the same

There is provided an optical film including an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phr&#x3bc;min a wavelength band of 290 to 320 nm and a second peak with a maximum absorption coefficient of 0.11 to 0.16 phr&#x3bc;min a wavelength band of 330 to 400 nm, and acrylic resin, wherein the content of the ultraviolet light absorbent is 0.3 to 1.0 parts by weight with respect to 100 parts by weight of the acrylic resin, and a polarizing plate including the same.

A double-sided polarizer includes a polarizing film, a first adhesive layer formed on one surface of the polarizing film, a second adhesive layer formed on the other surface of the polarizing film, a first transparent film formed on the first adhesive layer, and a second transparent film formed on the second adhesive layer, wherein the first adhesive layer and the second adhesive layer are formed of an active energy line-curable adhesive and the first adhesive layer is 0.1 &#x3bc;m to 3 &#x3bc;m thick, and there is also provided an optical device including the double-sided polarizer.

Polarizer having protection films in two sides and optical device comprising the same

Provided are a resin composition for an optical film including an alkyl(meth)acrylate unit, a benzyl(meth)acrylate unit, a (meth)acrylic acid unit, and a unit expressed by Chemical Formula I, an optical film, a polarizing plate, and an image display device using the resin composition.

Resin composition for optical film and optical film using the same

The present invention relates to an adhesive composition including 100 parts by weight of a first epoxy compound having a glass transition temperature of a homopolymer of not less than 120&#xb0; C., 30 parts by weight to 100 parts by weight of a second epoxy compound having a glass transition temperature of a homopolymer of not more than 60&#xb0; C., and 0.5 parts by weight to 20 parts by weight of a cationic photopolymerization initiator, and a polarizing plate using the same.

Adhesive for polarizing plate and polarizing plate including the same

The present invention relates to a protective film including: a transparent film, a coating layer formed on one surface of the transparent film, and a primer layer formed on the other surface of the transparent film, wherein the coating layer is formed using a coating composition including a first polymer resin, a first cross-linking agent and first water dispersible particles, and the primer layer is formed using a primer composition including a second polymer resin and second water dispersible particles, as well as including a second cross-linking agent in an amount, including 0% by weight, and lower than that of the first cross-linking agent, and a polarizing plate including the same.

Protective film and polarizing plate including the same

There is provided a method for preparing an acrylic copolymer resin for an optical film includes: suspension-polymerizing an acrylic monomer containing a benzene ring, an alkyl(meth)acrylate monomer, and a (meth)acrylic acid monomer to prepare a copolymer; and thermally treating the copolymer at a temperature ranging from 240&#xb0; C. to 300&#xb0; C. As the method for preparing an acrylic copolymer of the present invention, a resin having an effectively lowered CTE can be manufactured by inducing the formation of a glutaric anhydride structure by using suspension polymerization that facilitates adjustment of the molecular weight of a resin.

Method for preparing acrylic copolymer resin for optical film and method for fabricating optical film using the same

Provided is a method of preparing a resin composition for an optical film. The method includes forming a four-component copolymer by reacting an alkyl(meth)acrylate-based monomer, an acrylate-based monomer containing a benzene ring, and a (meth)acrylic acid monomer by using a continuous bulk polymerization method; and forming a resin composition for an optical film by removing unreacted monomer and solvent from a reaction product in a devolatilizer.

Method of preparing resin composition for optical film by using continuous bulk polymerization and methods of preparing optical film and polarizing plate using the resin composition

There are provided a resin composition and an optical film using the same. The resin composition includes a copolymer (A) formed by polymerizing a (meth)acryloyl morpholine-based monomer (a), a maleimide-based monomer (b), and an alkyl(meth)acrylate-based monomer (c), and the optical film is manufactured using the same. The resin composition may provide a film having excellent optical properties and optical transparency, reduced haze, excellent mechanical strength, a relatively low level of thermal expansion coefficient leading to a relatively small change in a dimension, and a relatively low level of alteration in a retardation value due to external stress.

Resin composition, optical film formed using the same, polarizing plate and liquid crystal display device including the same

Growing community of inventors

Daejeon, South Korea

Nam-Jeong Lee