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US 2023/0029017 A1Published application
Multilayer adhesive sheet, optical member comprising the same and display apparatus comprising the same
AssigneeSamsung SDI Co., Ltd.
InventorsDong Myeong SHIN, Gwang Hwan LEE, Sung Hyun MUN, Il Jin KIM, Do Young KIM
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Abstract
A multilayer adhesive sheet, an optical member including the same, and a display apparatus including the same are provided. A multilayer adhesive sheet includes: a base layer; a first adhesive layer stacked on a surface of the base layer; and a second adhesive layer stacked on another surface of the base layer, and the base layer includes a polyurethane-based film manufactured by solution casting and has a storage modulus of 700 MPa to 1,500 MPa at −20° C. and a storage modulus of 10 MPa to 100 MPa at 85° C.
Claims12
A multilayer adhesive sheet comprising:
- a base layer;
- a first adhesive layer stacked on a surface of the base layer;
- and a second adhesive layer stacked on another surface of the base layer,
- wherein the base layer comprises a polyurethane-based film manufactured by solution casting and has a storage modulus of 700 MPa to 1,500 MPa at −20° C. and a storage modulus of 10 MPa to 100 MPa at 85° C.
1 more element
Dependencies are inferred from the claim text.