Compound for organic optoelectronic device, composition for organic optoelectronic device, organic optoelectronic device, and display device

A compound for an organic optoelectronic device, the compound being represented by Chemical Formula 1:

• wherein, in Chemical Formula 1,
• R1 to R8 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C20 alkyl group, or a substituted or unsubstituted C3 to C20 cycloalkyl group,
• Ar1 to Ar5 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, or a substituted or unsubstituted terphenyl group, provided that at least one of Ar1 to Ar5 is a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, or a substituted or unsubstituted terphenyl group,
• m1, m2, and m5 to m8 are each independently an integer of 1 to 3,
• m3 and m4 are each independently an integer of 1 to 4, and
• when m1 is 2 or 3, each R1 is the same or different from each other,
• when m2 is 2 or 3, each R2 is the same or different from each other,
• when m3 is 2, 3, or 4, each R3 is the same or different from each other,
• when m4 is 2, 3, or 4, each R4 is the same or different from each other,
• when m5 is 2 or 3, each R5 is the same or different from each other,
• when m6 is 2 or 3, each R6 is the same or different from each other,
• when m7 is 2 or 3, each R7 is the same or different from each other, and
• when m8 is 2 or 3 each R8 is the same or different from each other.