Compound, anti-reflective film comprising same, and display device

An anti-reflective film including a compound represented by Chemical Formula 1:

• wherein, in Chemical Formula 1,
• M is two hydrogen atoms, a divalent metal atom, a trivalent substituted metal atom, a tetravalent substituted metal atom, a metal hydroxide group, or a metal oxide group, and does not include Co,
• R1 to R16 are each independently hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted C2 to C20 heteroaryl group, a sulfonylamide group represented by Chemical Formula 2, or a combination thereof,
• at least one of R1 to R8 is a sulfonylamide group represented by Chemical Formula 2,
• at least one of R9 to R16 is a sulfonylamide group represented by Chemical Formula 2, and
• at most three of R1 to R16 are sulfonylamide groups represented by Chemical Formula 2;
• wherein, in Chemical Formula 2,
• R17 and R18 are each independently hydrogen, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C6 to C20 aryl group, or a substituted or unsubstituted C2 to C20 heteroaryl group,
• at least one of R17 and R18 is a substituted or unsubstituted C3 to C20 cycloalkyl group, and
• * indicates a bonding location to a benzene ring of Chemical Formula 1.