CPC H10K 85/6572 (2023.02) [H10K 85/40 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/11 (2023.02); H10K 2101/10 (2023.02)] | 13 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,
R1 to R12 are each independently hydrogen, deuterium, a cyano group, a halogen, a substituted or unsubstituted C1 to C30 alkyl group, or a substituted or unsubstituted C6 to C30 aryl group,
L1 is a single bond or a substituted or unsubstituted C6 to C30 arylene group, and
ET is a substituted or unsubstituted pyridinyl group, a substituted or unsubstituted pyrimidinyl group, a substituted or unsubstituted triazinyl group, a substituted or unsubstituted quinolinyl group, a substituted or unsubstituted isoquinolinyl group, a substituted or unsubstituted quinazolinyl group, a substituted or unsubstituted quinoxalinyl group, a substituted or unsubstituted naphthyridinyl group, a substituted or unsubstituted benzofuranpyrimidinyl group, or a substituted or unsubstituted benzothiophenepyrimidinyl group;
wherein, in Chemical Formula 2 and Chemical Formula 3,
Ar 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 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 CRa,
Ra and R13 to R20 are each independently hydrogen, deuterium, a cyano group, 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
at least one of R17 to R20 is a group represented by Chemical Formula a,
wherein, in Chemical Formula a,
La, Lb, and Lc are each independently a single bond, a substituted or unsubstituted C6 to C20 arylene group, or a substituted or unsubstituted C2 to C20 heterocyclic group,
Rb and Rc are each independently a substituted or unsubstituted C6 to C30 aryl group or a substituted or unsubstituted C2 to C30 heterocyclic group, and
* is a linking point.
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