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US 10,947,420 B2Granted
Pressure-sensitive adhesive composition for foldable display
AssigneeLG Chem, Ltd.
InventorsHyon Gyu Park, Dong Kyu Roh, Yoon Kyung Kwon
Life of this patent
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Abstract
The present application relates to a pressure-sensitive adhesive composition for a foldable display and a use thereof. The pressure-sensitive adhesive composition of the present application has excellent bending reliability while having appropriate adhesive force and cohesive force, thereby being useful for forming a pressure-sensitive adhesive layer for a foldable display.
Claims16
A pressure-sensitive adhesive composition for a foldable display comprising:
- a first pressure-sensitive adhesive comprising a first silicone gum and having a peel force on a glass substrate, as measured at a peel rate of 0.3 m/min and a peel angle of 180 degrees, of 10 gf/in or less;
- and
- a second pressure-sensitive adhesive having a peel force on a glass substrate, as measured at a peel rate of 0.3 m/min and a peel angle of 180 degrees, of 200 gf/in or more,
- wherein said first pressure-sensitive adhesive is contained in an amount of 5 wt % to 50 wt % relative to the total solid content of the composition, and
- a storage elastic modulus (G′) measured after curing within a temperature range of −40° C. to 90° C. is 1.0×107 Pa or less.
2 more elements
Dependencies are inferred from the claim text.