Samsung Sdi Co., Inc.

Cheil Industries Inc.

Tae Hyun Lee

In Cheon Han

Do Heon Lee

Mi Yeon Yu

Woo Jin Jeong

Seung Jun Lee

Ik Hwan Cho

Il Jin Kim

Seung Hoon Lee

Dong Seon Uh

Jae Sun Han

Young Hoon Kim

Ri Ra Jung

Yoo Jin Suh

Ja Young Hwang

Hyoun Young Kim

Jeong Ku Kang

Gyu Ho Lee

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

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

Disclosed are an adhesive composition for polarizing plates, a polarizing plate using the same, a method for preparing the same, and an optical member including the same. The adhesive composition includes (A) a (meth)acrylic radical compound, (B) a cationic epoxy compound, (C) a phenoxy resin, and (D) a photoinitiator.

Polarizing plate using adhesive composition and optical member comprising the same

A composition for protective layers of a polarizing plate includes a photocurable monomer or oligomer having a glass transition temperature (Tg) of about 50&#xb0; C. or greater, particles, a reactive monomer or oligomer, and an initiator. A polarizing plate includes a polarizer and a protective layer formed from the composition on one or both surfaces of the polarizer. The protective layer has a storage modulus at about 25&#xb0; C. of greater than about 2000 MPa, as measured at a heating rate of 10&#xb0; C./min, a temperature of &#x2212;50&#xb0; C. to 100&#xb0; C., a frequency of 1 Hz, and a strain of 0.5%. An optical display includes the polarizing plate.

Polarizing plate, composition for protective layers of a polarizing plate, and optical display including the same

A polarizing plate includes a polarizer, a bonding layer on an upper surface of the polarizer, a protective film on an upper surface of the bonding layer and having a moisture transmittance of about 30 g/m2&#xb7;24 hr or less at 40&#xb0; C. and 90 % relative humidity (RH), and a barrier layer on a lower surface of the polarizer and formed of a barrier layer composition including an alicyclic epoxy resin having a glass transition temperature of about 200&#xb0; C. or more. The polarizing plate may have a light transmittance variation rate of 3% or less, as calculated by Equation 1:Light transmittance variation rate=|0&#x2212;500|/0&#xd7;100&#x2003;&#x2003;(1),where Tis an initial light transmittance and Tis a light transmittance after 500 hours as set forth herein.

Polarizing plate and optical display including the same

An adhesive composition for polarizing plates, a polarizing plate using the same, and an optical member including the same, the adhesive composition including an epoxy compound, a (meth)acrylic compound, and a polyfunctional thiol compound.

Adhesive composition for polarizing plate, polarizing plate using the same, and optical member including the same

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.

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

An adhesive composition for polarizing plates includes an epoxy compound, a (meth)acrylic compound, an alkoxysilane compound including at least one epoxy group, and an alkoxysilane compound including at least one (meth)acrylate group. A polarizing plate using the adhesive composition can exhibit good adhesion, reliability, durability, water resistance, and high temperature/high humidity resistance. An optical apparatus includes the polarizing plate.

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

An anisotropic conductive film composition includes a polymer resin, a first epoxy resin including at least one of a bisphenol epoxy resin, a novolac epoxy resin, a glycidyl epoxy resin, an aliphatic epoxy resin, and an alicyclic epoxy resin, a second epoxy resin including an acetal epoxy resin, an epoxy resin curing agent, and conductive particles.

Growing community of inventors

Uiwang-si, South Korea

Tae Hyun Lee