Samsung Sdi Co., Inc.

Cheil Industries Inc.

Yoo Jin Suh

In Cheon Han

Yi Eun Kim

Seung Jun Lee

Woo Jin Jeong

Won Kyu Kim

Ha Yun Cho

Il Jin Kim

Seung Hoon Lee

Chul Ho Jeong

Dong Il Han

Irina Nam

Eun Hwan Jeong

Ri Ra Jung

Do Heon Lee

Tae Hyun Lee

Mi Yeon Yu

Tae Ji Kim

Won Jung Kim

Han Joo Choi

Da Hee Lee

Hyun Seung Kim

Bong Soo Park

Provided are a silicone-based adhesive protection film and an optical member comprising same, the silicone-based adhesive protection film being formed of a composition comprising an alkenyl group-bearing organic polysiloxane mixture, an organic polysiloxane resin, a crosslinker, and a hydrosylication catalyst, wherein the alkenyl group-bearing organic polysiloxane mixture comprises component (i) and component (ii), and the organic polysiloxane resin comprises at least one of organic polysiloxane resins, each bearing a RRRSiOunit (R, R, and Rare each independently an alkyl group of 1 to 6 carbon atoms or an alkenyl group of 2 to 10 carbon atoms) and a SiOunit.

Silicone-based adhesive protection film and optical member 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

An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display including the same are provided. An adhesive film for polarizing plates is formed of an adhesive composition for polarizing plates, which includes a non-carboxylic acid (meth)acrylic copolymer, an isocyanate curing agent, and an epoxy curing agent, wherein the adhesive film has a modulus at 85&#xb0; C. of about 0.1 MPa to about 0.8 MPa and a modulus ratio of about 3 or less, as calculated by the equation, Modulus ratio=G'(25&#xb0; C.)/G&#x2032;(85&#xb0; C.), where G&#x2032;(25&#xb0; C.) is modulus (unit: MPa) at 25&#xb0; C. of an adhesive film and G&#x2032;(85&#xb0; C.) is modulus (unit: MPa) at 85&#xb0; C. of the adhesive film.

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

An adhesive film for a polarizing plate includes a functional group represented by Formula 1: wherein * represents a binding site; A is a Cto Caliphatic hydrocarbon group; B is &#x2014;O&#x2014;, &#x2014;S&#x2014;, a Cto Caliphatic hydrocarbon group, or a single bond; Ris a Cto Caliphatic hydrocarbon group; and n is an integer from 1 to 5.

An adhesive film for polarizing plates has a K value of about 0.2 to about 0.5, as calculated by Equation 1. A polarizing plate includes the adhesive film for polarizing plates. An optical display includes the polarizing plate. The adhesive films for polarizing plates according to embodiments of the invention suppress light leakage due to dimensional changes in the polarizing plates at high temperature and/or high humidity.&#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.

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

An adhesive film for polarizing plates includes a cured product of a composition including a (meth)acrylic copolymer and a cross-linking agent, and has a peel strength ratio of about 6 or more, as represented by Equation 1. An adhesive composition for the adhesive film, a polarizing plate including the adhesive film, and an optical display including the adhesive film are also described.

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

An optical member, an optical adhesive, and a display apparatus, the optical member including a transparent conductive film; an optical adhesive layer on the transparent conductive film; and a polarizer plate stacked on the optical adhesive layer, wherein a surface resistance difference RsRsof a specimen including the optical adhesive layer is less than about 0.2&#x3a9;, the specimen being prepared by manufacturing the polarizer plate having the optical adhesive layer thereon and stacking two transparent conductive films on opposite upper sides of the optical adhesive layer, where Rsis an initial surface resistance of the specimen and Rs2 is a surface resistance of the specimen kept at 70&#xb0; C. and 95% RH for 48 hours.

Growing community of inventors

Uiwang-si, South Korea

Yoo Jin Suh