CPC H10K 85/6572 (2023.02) [C07D 405/14 (2013.01); C07D 487/04 (2013.01); C07F 15/0033 (2013.01); C09K 11/06 (2013.01); H10K 85/342 (2023.02); H10K 85/654 (2023.02); H10K 85/6574 (2023.02); C09K 2211/1029 (2013.01); C09K 2211/1033 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 71/00 (2023.02); H10K 71/164 (2023.02); H10K 2101/10 (2023.02); H10K 2101/90 (2023.02); H10K 2102/351 (2023.02)] | 9 Claims |
1. An organic optoelectronic device, comprising:
an anode and a cathode facing each other; and
an organic layer disposed between the anode and the cathode,
wherein the organic layer includes at least one of a hole injection layer, a hole transport layer, a light emitting layer, and an electron transport layer,
wherein the light emitting layer includes a first host represented by Chemical Formula 1-3a-II, Chemical Formula 1-3a-III, Chemical Formula 1-3a-IV, or Chemical Formula 1-3a-V, a second host represented by a combination of Chemical Formula 2 and Chemical Formula 3, and a phosphorescent dopant represented by Chemical Formula 4,
wherein, in Chemical Formula 1-3a-II, Chemical Formula 1-3a-III, Chemical Formula 1-3a-IV, and Chemical Formula 1-3a-V,
X1 is O or S,
Z1 to Z3 are independently N or CRa,
at least two of Z1 to Z3 are N,
L1 is a single bond, or a substituted or unsubstituted C6 to C20 arylene group,
R1 is a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group, and
Ra, R2 to R4, and R10 to R13 are independently hydrogen, deuterium, a cyano group, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C20 aryl group;
wherein, in Chemical Formula 2 and Chemical Formula 3,
Y1 and Y2 are independently a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group,
adjacent two *'s of Chemical Formula 2 are linked with Chemical Formula 3,
* of Chemical Formula 2 that are not linked with Chemical Formula 3 are independently C-La-Rb,
La, L3, and L4 are independently a single bond, or a substituted or unsubstituted C6 to C20 arylene group,
Rb and R5 to R8 are independently hydrogen, deuterium, a cyano group, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C6 to C20 aryl group, or a substituted or unsubstituted C2 to C30 heterocyclic group;
wherein, in Chemical Formula 4,
Z4 to Z11 are independently N, C or CRc,
the ring C is bound to the ring B through a C—C bond,
iridium is bound to the ring B through a Ir—C bond,
X2 is O or S,
Rc and R14 to R19 are independently hydrogen, deuterium, a halogen, germanium group, a cyano group, a substituted or unsubstituted silyl group, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C1 to C10 alkylsilyl group, a substituted or unsubstituted C6 to C20 aryl group, or a substituted or unsubstituted C2 to C30 heterocyclic group, and
n is an integer ranging from 1 to 3.
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