Samsung Sdi Co., Inc.

Cheil Industries Inc.

Mi Yeon Yu

Tae Hyun Lee

In Cheon Han

Woo Jin Jeong

Do Heon Lee

Il Jin Kim

Seung Jun Lee

Ik Hwan Cho

Ha Yun Cho

Seung Hoon Lee

Ri Ra Jung

Yoo Jin Suh

Han Joo Choi

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

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

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.

Growing community of inventors

Uiwang-si, South Korea

Mi Yeon Yu