| abstract |
The present invention provides a photo-curable adhesive sheet that has both step-followability and shape stability, and is excellent in durability after being attached to an adhered member. Furthermore, even if there is a light-shielding part such as a printing part in the adhered member , Can also inhibit flow or blistering.nThe photocurable adhesive sheet of the present invention is composed of a (meth)acrylic copolymer (A), a crosslinking agent (B) other than a photocrosslinking agent, a photocrosslinking agent (C), and a photoinitiator (D) The photocurable adhesive composition is formed, and the loss tangent (Tan δ) at a temperature of 90° C. is 0.9 or more. |