Photocurable adhesive composition and display device comprising same
AssigneeCheil Industries Inc.
InventorsKyoung Jin Ha, Ji Hye Kwon, Lee June Kim, Irina Nam, Se Il Oh, Seung Jib Choi
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Abstract
The present invention relates to a photocurable adhesive composition. The photocurable adhesive composition comprises a urethane(meth)acrylate resin, a functional-group-containing polybutadiene, a photocurable monomer and a photoinitiator; and the functional group is either an epoxy group or a hydroxyl group. The photocurable adhesive composition ensures good outdoor readability, has outstanding adhesive properties, and impact strength and optical transparency, and minimizes the phenomenon whereby substantial contraction occurs during photocuring, and thus can be suitably used for a display.
Claims23
A photocurable adhesive composition comprising a urethane (meth)acrylate resin, a functional group-containing polybutadiene, a photocurable monomer, and a photoinitiator, wherein:
- the functional group is an epoxy group or a hydroxyl group,
- the composition has a pH of more than 4, and
- the urethane (meth)acrylate resin is free from a hydroxyl group.
Dependencies are inferred from the claim text.