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US 2017/0253771 A1Published application
Optical adhesive sheet
AssigneeLG Chem, Ltd.
InventorsJoo-Hyun Lee, Jang-Soon Kim, Bu-Gi Jung, Sang-Hwan Kim, Sung-Chan Park, Chan-Oh Yoon, Han-Na Lee
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Abstract
The present invention provides an optical adhesive sheet including a layered structure of a first adhesive layer and a second adhesive layer, in which the first adhesive layer has a glass transition temperature of −50° C. to −30° C. and a modulus of 0.3×105 Pa to about 0.6×105 Pa, and the second adhesive layer has a glass transition temperature of −20° C. to −10° C. and a modulus of 0.7×105 Pa to 1.0×105 Pa.
Claims16
An optical adhesive sheet comprising a layered structure of a first adhesive layer and a second adhesive layer,
- wherein the first adhesive layer has a glass transition temperature of −50° C. to −30° C. and a modulus of 0.3×105 Pa to 0.6×105 Pa, and
- the second adhesive layer has a glass transition temperature of −20° C. to −10° C. and a modulus of 0.7×105 Pa to 1.0×105 Pa.
Dependencies are inferred from the claim text.