Adhesive film, optical member comprising same, and optical display device comprising same
AssigneeSamsung SDI Co., Ltd.
InventorsDo Young Kim, Ji Yeon Kim, Sung Hyun Mun, Dong Myeong Shin, Gwang Hwan Lee, Il Jin Kim
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Abstract
Provided are an adhesive film, an optical member comprising same, and an optical display device comprising same, the adhesive film being formed of a composition comprising a hydroxyl group-containing (meth)acrylic copolymer and particles having a refractive index of about 1.5 or greater, wherein the adhesive film has a refractive index of about 1.5 or greater, and the adhesive film satisfies expression 1 and expression 2.
Claims14
An adhesive film formed of a composition comprising a hydroxyl group-containing (meth)acrylic copolymer and inorganic particles having an index of refraction of about 1.5 or more, the adhesive film having an index of refraction of about 1.5 or more and satisfying Relations 1 and 2:
- PS/G(@−20° C.)≥0.6, [Relation 1]
- where PS is peel strength of the adhesive film at 25° C. (unit:
- gf/inch), and
- G (@−20° C.) is modulus of the adhesive film at −20° C. (unit:
- kPa);
- PS/G(@60° C.)≥150, [Relation 2]
- where PS is peel strength of the adhesive film at 25° C. (unit:
- gf/inch), and
- G (@60° C.) is modulus of the adhesive film at 60° C. (unit:
- kPa).
Dependencies are inferred from the claim text.