Samsung Sdi Co., Inc.

Cheil Industries Inc.

Samsung Electronics Co., Ltd.

Woo Jin Jeong

Seung Jun Lee

In Cheon Han

Mi Yeon Yu

Il Jin Kim

Irina Nam

Tae Hyun Lee

Eun Hwan Jeong

Yoo Jin Suh

Ha Yun Cho

Hee Yeon Ki

Dong Heon Yun

Kil Sung Lee

Hae Ryong Chung

Kyoung Jin Ha

Yi Eun Kim

Ri Ra Jung

Lee Jun Kim

Han Joo Choi

Hyung Jun Kim

Seung Hoon Lee

Chul Ho Jeong

Jong Hoon Won

Myung-Sup Jung

Hye Young Kong

Sangah Gam

Do Heon Lee

Da Hee Lee

Hyun-Seok Cho

An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display apparatus including the same are provided. An adhesive film for polarizing plates is formed of an adhesive composition including a (meth)acrylic copolymer, an isocyanate curing agent, a metal chelate curing agent, and an antistatic agent, and has a surface resistance difference ΔSR of 1.0 (log(Ω/□)) or less, as calculated by Equation 1 and, in Equation 1, SR1 is 10 (log(Ω/□)) or less.

Adhesive film for polarizing plate, polarizing plate comprising the same and optical display apparatus comprising the same

Provided are a polarizing plate, a polarizing plate adhesive composition for same, and an optical display apparatus comprising same, the polarizing plate comprising: a polarizer; and a polarizing plate adhesive layer and a protective layer which are sequentially formed on at least one surface of the polarizer, wherein the polarizing plate adhesive layer comprises poly(ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT:PSS), and the polarizing plate adhesive layer has a surface resistance of about 1&#xd7;10to about 1&#xd7;10(&#x3a9;/&#x25a1;).

Polarizing plate, polarizing plate adhesive composition for same, and optical display apparatus comprising same

An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display including the same are provided. The adhesive film for polarizing plates is formed of an adhesive composition comprising: a (meth)acrylic copolymer; an adhesion promoter; a mixture of an isocyanate curing agent and a carbodiimide curing agent; and a UV absorbent, and the adhesive film has a glass transition temperature of about &#x2212;47&#xb0; C. to &#x2212;40&#xb0; C., and the adhesive film has a light transmittance of about 3% or less at a wavelength of about 380 nm.

Adhesive film for polarizing plates, polarizing plate including the same and optical display including the same

An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display apparatus including the same are provided. An adhesive film for polarizing plates includes: a (meth)acrylic copolymer, a curing agent, a (meth)acrylic oligomer, and an antistatic agent, and has a modulus of about 0.5 MPa or more at about 25&#xb0; C. and a surface resistance difference &#x394;SR of about 1.0 log (&#x3a9;/&#x25a1;) or less, as calculated by Equation 1 herein.

Adhesive film for polarizing plate, polarizing plate comprising the same, and optical display apparatus comprising the same

Provided are an adhesive film, an optical member including the same, and an optical display apparatus including the same, the adhesive film including two or more (meth)acrylic adhesive layers including a first (meth)acrylic adhesive layer and a second (meth)acrylic adhesive layer, and having Young's modulus of approximately 100-1000 MPa and peel strength of approximately 1.0 N/mm or higher at the second (meth)acrylic adhesive layer.

Adhesive film, optical member comprising same, and optical display apparatus comprising same

A polarizing plate includes a polarizing film, a first adhesive layer or a bonding layer, a retardation layer, and a third adhesive layer, and includes: a UV absorber comprising an indole UV absorber, a phenylbenzotriazole UV absorber, and/or a triazine UV absorber, wherein the UV absorber has a maximum absorption wavelength of 370 nm or higher, the polarizing plate has a light transmittance of 5% or less in a wavelength range of about 400 nm to about 405 nm and a light transmittance of 35% or higher in a wavelength range of about 440 nm to about 450 nm, the first adhesive layer has a modulus of 1&#xd7;105 Pa or higher at 80&#xb0; C. and a modulus of 1&#xd7;105 Pa or higher at 30&#xb0; C., and the third adhesive layer has a modulus of 5&#xd7;104 Pa to 1&#xd7;106 Pa at 80&#xb0; C. and a modulus of 1&#xd7;105 Pa to 3&#xd7;106 Pa at 30&#xb0; C.

Polarizing plate for light emitting display apparatus having adhesive layers of specified modulus

Provided are a polarizing plate and an optical display device comprising the same, wherein the polarizing plate has a polarizing film, a first adhesive layer, a first optical compensation layer, a second adhesive layer, and a second optical compensation layer laminated successively, and elastic modulus measured by a microindenter at 25&#xb0; C. on the surface of the second optical compensation layer with regard to the polarizing plate is about 100 MPa to about 1000 MPa.

Polarizing plate and optical display device comprising same

The present invention relates to an adhesive composition for an optical member, an optical member comprising the same, and an optical display device comprising the same, wherein the composition comprises a (meth)acryl-based copolymer containing an acetoacetoxy group, a metal chelate curing agent, and a tri- or higher functional isocyanate-based curing agent, the (meth)acryl-based copolymer having an acid value of 0 mgKOH/g.

Adhesive composition for optical member, optical member comprising same, and optical display device comprising same

A polarizing plate, a method of manufacturing the same, and an optical display including the same are provided. A polarizing plate includes a polarizer and a first adhesive layer formed on a lower surface of the polarizer, and the first adhesive layer includes an adhesive resin having a glass transition temperature of about 50&#xb0; C. or greater, and the first adhesive layer has a haze of about 1% or less at a wavelength of about 380 nm to about 780 nm.

Polarizing plate, method of manufacturing the same, and optical display comprising the same

An optical film includes a polarization film including a polyolefin and a dichroic dye, a first phase delay layer positioned on one side of the polarization film and including a liquid crystal, a second phase delay layer positioned on one side of the first phase delay layer and including a liquid crystal, a first adhesive between the polarization film and the first phase delay layer, and a second adhesive between the first phase delay layer and the second phase delay layer, wherein at least one of the first adhesive and the second adhesive has a room temperature storage modulus of greater than or equal to about 0.2 MPa at a frequency of 10 Hz, and a display device including the same, are provided.

Optical film and display device

An adhesive film for polarizing plates, a polarizing plate, and an optical display, the adhesive film being prepared from an adhesive composition including an isocyanate crosslinking agent and an imide crosslinking agent, and having a &#x394;G' of about 50% to about 80%, &#x394;G&#x2032; being represented by Equation 1:&#x394;&#x2032;=(1&#x2212;2)/1&#xd7;100&#x2003;&#x2003;[Equation 1] in which G1 is a storage modulus of the adhesive film for polarizing plates as measured at 25&#xb0; C., and G2 is a storage modulus of the adhesive film for polarizing plates as measured at 85&#xb0; C.

Adhesive film for polarizing plate, polarizing plate including the same and optical display including the same

An adhesive composition and an optical member using the same, the adhesive composition including an acrylic resin; an isocyanate cross-linking agent; and a carbodiimide cross-linking agent, wherein the adhesive composition exhibits a creeping distance of about 100 &#x3bc;m or less when the composition attached to a glass substrate with a bonding area of about 1.5 cm&#xd7;1.5 cm is left at about 22&#xb0; C. and about 50% RH for about 3 days and is subjected to a load of about 10 gf/mmfor about 1,000 seconds, and a storage modulus of about 1&#xd7;10to about 1&#xd7;10Pa at about 10 Hz and about 30&#xb0; C. under conditions in which a sample has a thickness of about 1 mm and an elongation of about 10%.

Adhesive composition and optical member using the same

An adhesive composition for polarizing plates includes a (meth)acrylic copolymer and a biphenyl group-containing photocuring agent. A polarizing plate includes an adhesive layer formed of the adhesive composition An optical display includes the polarizing plate.

Adhesive composition for polarizing plate, polarizing plate including the same and optical display including the same

An adhesive composition and an optical member using the same, the adhesive composition providing an adhesive having a storage modulus of about 8&#xd7;10to about 1&#xd7;10dyne/cmand a gel fraction of about 83% to about 95% as defined by Equation 1:Gel fraction (%)=()&#xd7;100,&#x2003;&#x2003;[Equation 1]

An adhesive composition for a polarizing plate, an adhesive film formed from the same, a polarizing plate including the same, and an optical display including the same are disclosed. The adhesive film for a polarizing plate is formed from an adhesive composition including an epoxy compound and a (meth)acrylate compound, and the adhesive film has an FT-IR peak ratio of about 0.015 or lower as defined by Equation 1.Equation 1FT-IR peak ratio=&#x2003;&#x2003;(1)In Equation 1, A is the peak height of the peak attributable to the &#x2014;(C&#x2550;O)&#x2014; bond at 1724 cm, and B is the peak height of the peak attributable to the &#x2014;CH&#x2550;CH&#x2014; bond at 1636 cm.

Growing community of inventors

Uiwang-si, South Korea

Woo Jin Jeong