Patent ID: 7863758

Claim:
An adhesive film composition, comprising: a polyester-based thermoplastic resin; an elastomer resin containing at least one of a hydroxyl group, a carboxyl group, or an epoxy group; an epoxy resin; a phenol curing agent; at least one of a latent catalytic curing agent or a curing catalyst; a silane coupling agent; and a filler, the polyester-based thermoplastic resin being a homopolymer or copolymer represented by the following Formula 1: wherein: n is an integer such that the polyester-based thermoplastic resin has a weight average molecular weight of about 200 to about 1,000,000, R 1 is an oxalic group, a succinyl group, a terephthalic group, an isophthalic group, a naphthalene group, a diphenyl group, a diphenoxyethene group, a diphenylsulfone group, an alkyl group, a benzoic group, a cycloalkyl group, or a benzene group, R 2 is an alkyl group, a naphthalene group, a hydroquinone group, a benzene group, or a phenyl group, and R 1 and R 2 are independently substituted or unsubstituted.