Compound, polymer, film, and optical device

A compound represented by Chemical Formula 1:

• wherein, in Chemical Formula 1,
• R1 and R2 are independently a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C1 to C30 alkoxy group, a substituted or unsubstituted C3 to C30 cycloalkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C1 to C30 acyl group, a hydroxy group, a halogen, a nitro group, —NR′R″, —SiR′R″R″′ (wherein R′, R″, and R″′ are independently hydrogen, a C1 to C30 alkyl group, or a C6 to C30 aryl group), or a combination thereof,
• o and p are independently an integer ranging from 0 to 3,
• A1 is a C6 to C30 aromatic ring,
• Ra is hydrogen, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C1 to C30 alkoxy group, a substituted or unsubstituted C3 to C30 cycloalkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C7 to C30 arylalkyl group, a substituted or unsubstituted C2 to C30 heteroaryl group, a hydroxy group, a halogen, a nitro group, —NR′R″, —C(═O)—NR′R″, —SiR′R″R″′ (wherein R′, R″, and R″′ are independently hydrogen, a C1 to C30 alkyl group, a C6 to C30 aryl group, or a C7 to C30 arylalkyl group), or a group represented by Chemical Formula 2:
• wherein, in Chemical Formula 2,
• L2 and L3 are independently O, C(═O), C(═O)O, C≡C, or C(═O)NRb (wherein, Rb is hydrogen or a C1 to C30 alkyl group),
• A2 and A3 are independently a substituted or unsubstituted C6 to C30 aromatic ring, a substituted or unsubstituted fluorene ring, or a substituted or unsubstituted C7 to C30 arylalkyl group,
• q and r are independently an integer ranging from 0 to 3, provided that q+r is an integer greater than or equal to 1,
• m is an integer greater than or equal to 1, and
• k and n are independently an integer greater than or equal to 0.