Composition for organic optoelectronic device, organic optoelectronic device, and display device device

A composition for an organic optoelectronic device, comprising:

• a first compound represented by Chemical Formula 1, and
• a second compound represented by Chemical Formula 2;
• or a combination of Chemical Formula 3 and Chemical Formula 4:
• wherein, in Chemical Formula 1,
• 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,
• Ar3 is hydrogen, deuterium, or an unsubstituted phenyl group,
• 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 heteroarylene group,
• R1 and R2 are each independently hydrogen, deuterium, or a substituted or unsubstituted C6 to C30 aryl group,
• R3 and R4 are each independently hydrogen or deuterium,
• n1, n3, n4, and n5 are each independently one of integers of 1 to 4, and
• n2 is one of integers of 1 to 3;
• wherein, in Chemical Formula 2,
• Ar4 and Ar5 are each independently a substituted or unsubstituted C6 to C20 aryl group or a substituted or unsubstituted C2 to C30 heterocyclic group,
• L3 and L4 are each independently a single bond or a substituted or unsubstituted C6 to C20 arylene group,
• R5 to R15 are each independently hydrogen, deuterium, a cyano group, a halogen, a substituted or unsubstituted amine group, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, or a substituted or unsubstituted C2 to C30 heterocyclic group, and
• m is one of integers of 0 to 2;
• wherein, in Chemical Formulas 3 and 4,
• Ar6 and Ar7 are each independently a substituted or unsubstituted C6 to C20 aryl group or a substituted or unsubstituted C2 to C30 heterocyclic group,
• among a1* to a4* in Chemical Formula 3, the two adjacent ones are each linking carbon (C) linked to * in Chemical Formula 4,
• among a1* to a4* in Chemical Formula 3, the remaining two not linked to * in Chemical Formula 4 are each independently C-La-Ra,
• La, L′, and L6 are each independently a single bond or a substituted or unsubstituted C6 to C20 arylene group, and
• Ra and R16 to R23 are each independently hydrogen, deuterium, a cyano group, a halogen, a substituted or unsubstituted amine group, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, or a substituted or unsubstituted C2 to C30 heterocyclic group.