CPC C07D 498/04 (2013.01) [C07D 519/00 (2013.01); H10K 85/622 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/12 (2023.02); H10K 2101/30 (2023.02)] | 14 Claims |
1. A composition for an organic optoelectronic device, the composition comprising:
a first compound represented by a combination of Chemical Formula 1 and Chemical Formula 2, and
a second compound represented by a combination of Chemical Formula 3 and Chemical Formula 4:
wherein, in Chemical Formula 1 and Chemical Formula 2,
X is O or S,
Ar1 is a substituted or unsubstituted C6 to C30 aryl group or a substituted or unsubstituted C2 to C30 heterocyclic group,
two adjacent ones of a1* to a4* of Chemical Formula 1 are linking carbons linked at * of Chemical Formula 2, the remaining two of a1* to a4* of Chemical Formula 1, not linked at * of Chemical Formula 2, are CRa,
L1 is a single bond or a substituted or unsubstituted C6 to C30 arylene group,
Ra and R1 to R8 are each independently hydrogen, deuterium, 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
at least one of R5 to R8 is represented by Chemical Formula a, in which * is a linking point,
wherein, in Chemical Formula a,
Z1 to Z3 are each independently N or CRb,
at least two of Z1 to Z3 are N,
L2 to L4 are each independently a single bond or a substituted or unsubstituted C6 to C30 arylene group,
Ar2 and Ar3 are each independently a substituted or unsubstituted C6 to C30 aryl group or a substituted or unsubstituted C2 to C30 heterocyclic group,
Rb is hydrogen, deuterium, 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
is a linking point;
wherein, in Chemical Formula 3 and Chemical Formula 4,
two adjacent ones of b1* to b4* of Chemical Formula 3 are linking carbons linked at * of Chemical Formula 4, the remaining two of b1* to b4* of Chemical Formula 3, not linked at * of Chemical Formula 4, are CRC,
Ar4 and Ar5 are each independently 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,
L5 and L6 are each independently a single bond, or a substituted or unsubstituted C6 to C30 arylene group, and
Rc and R9 to R16 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, or a substituted or unsubstituted C6 to C30 aryl group.
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