CPC H10K 85/6574 (2023.02) [C07D 307/77 (2013.01); C07D 307/91 (2013.01); C07D 405/04 (2013.01); C07D 405/12 (2013.01); C07D 405/14 (2013.01); C09K 11/02 (2013.01); H10K 85/615 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/654 (2023.02); H10K 50/11 (2023.02); H10K 85/6572 (2023.02); H10K 2101/10 (2023.02); H10K 2101/90 (2023.02)] | 15 Claims |
1. A composition for an organic optoelectronic device, the composition comprising:
a first compound represented by Chemical Formula 1, and
a second compound represented by a combination of Chemical Formula 2 and Chemical Formula 3:
wherein, in Chemical Formula 1,
X1 is O or S,
Z1 to Z3 are each independently N or CRa, at least two of Z1 to Z3 being N,
L1 and L2 are each independently a single bond, a substituted or unsubstituted C6 to C20 arylene group, a substituted or unsubstituted C2 to C20 heterocyclic group, or a combination thereof,
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,
Ra and R1 to R7 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a halogen, a cyano group, or a combination thereof, and
at least one pair of R1 and R2; R2 and R3; R3 and R4; R5 and R6; and R6 and R7 are linked to each other to provide a substituted or unsubstituted aromatic ring or a substituted or unsubstituted heteroaromatic ring,
wherein, in Chemical Formula 2 and Chemical Formula 3,
X2 is O or S,
two adjacent ones of a1* to a4* of Chemical Formula 2 are linking carbons linked at * of Chemical Formula 3,
the remaining two of a1* to a4* of Chemical Formula 2, not linked at * of Chemical Formula 3, are CRb,
Rb and R8 to R15 are each independently hydrogen, deuterium, 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, at least one of R8 to R15 being a group represented by Chemical Formula A, and
R16 and R17 are each independently a substituted or unsubstituted C1 to C30 alkyl group or a substituted or unsubstituted C6 to C30 aryl group,
wherein, in Chemical Formula A,
L3 to L5 are each independently a single bond or a substituted or unsubstituted C6 to C30 arylene group,
Ar3 and Ar4 are each independently a substituted or unsubstituted C6 to C30 aryl group or a substituted or unsubstituted C2 to C30 heterocyclic group, and
* is linking point.
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