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,
• L1 and L2 are each independently a single bond, a substituted or unsubstituted C6 to C30 arylene group, or a substituted or unsubstituted C2 to C30 heterocyclic group,
• L3 is a single bond or a substituted or unsubstituted C6 to C30 arylene group,
• Z1 to Z3 are each independently N or CRa,
• at least one of Z1 to Z3 is N,
• Ra and R1 to R6 are each independently hydrogen, deuterium, a cyano group, a halogen, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group,
• Ar1 and Ar2 are each independently a substituted or unsubstituted C6 to C30 aryl group or a substituted or unsubstituted C2 to C30 heterocyclic group, and
• Ar3 is a substituted or unsubstituted C6 to C30 aryl group.