Cheil Industries Inc.

Hee Yeon Ki

Woo Jin Jeong

Chul Ho Jeong

Hae Ryong Chung

Ri Ra Jung

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 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 and an optical member using the same, the adhesive composition including about 100 parts by weight of a (meth)acrylate copolymer including repeating units derived from a Calkyl(meth)acrylate monomer, an aromatic group-containing monomer, and a carboxyl group-containing monomer; about 0.01 to about 10 parts by weight of a crosslinking agent; about 0.01 to about 5 parts by weight of a silane coupling agent; and about 0.01 to about 5 parts by weight of a crosslinking catalyst.

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Uiwang-si, South Korea

Hee Yeon Ki