Patent ID: 8784682

Claim:
A thermosetting composition comprising: a liquid crystal oligomer; a bismaleimide-based compound; an epoxy compound; and a fluorinated polymer resin powder, wherein the liquid crystal oligomer comprises a backbone represented by the following Chemical Formula 1: wherein, in Chemical Formula 1, R 1 is represented by the following Chemical Formula 2, R 2 is represented by the following Chemical Formula 6, and n and m are independently integers of from 1 to 100: *—X 1 —Ar 1 —Y 1 —* Chemical Formula 2 wherein, in Chemical Formula 2, X 1 and Y 1 are independently O, NR″, or C(═O), where R″ is hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, or a substituted or unsubstituted C6 to C30 aryl group, Ar 1 includes a divalent aromatic organic group or aliphatic cyclic group represented by any of the following Chemical Formula 3-1 to 3-11, where at least one hydrogen in the cycle group is substituted or unsubstituted: wherein, in Chemical Formula 3-5 and 3-10, A 1 is a single bond, a divalent heteroatom group, or a divalent aliphatic organic group, aromatic organic group, or a combination comprising at least one of the foregoing: *—X 2 —Ar 3 —Y 2 —* Chemical Formula 6 wherein, in Chemical Formula 6, X 2 and Y 2 are independently O, NR″, or C(═O), where R″ is hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, or a combination comprising at least one of the foregoing, and Ar 3 includes at least one of a divalent aromatic organic group, aliphatic cyclic group, or a combination comprising at least one of the foregoing represented by any of the following Chemical Formula 7-1 to7-9: wherein, in Chemical Formula 7-5, A 2 is a divalent heteroatom group, aliphatic organic group, aromatic organic group, or a combination comprising at least one of the foregoing, and wherein, in Chemical Formulae 7-6, 7-7, 7-8, and 7-9, R c and R d are independently a C1 to C5 alkyl group or a halogen.