| CPC H10K 85/636 (2023.02) [C07C 211/61 (2013.01); C07D 209/86 (2013.01); C07D 251/24 (2013.01); C07D 307/91 (2013.01); C07D 333/76 (2013.01); C07D 403/04 (2013.01); C07D 405/04 (2013.01); C07D 405/10 (2013.01); C07D 409/14 (2013.01); C07D 487/16 (2013.01); C07D 495/04 (2013.01); C09K 11/06 (2013.01); H10K 85/615 (2023.02); H10K 85/622 (2023.02); H10K 85/633 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); C07C 2603/18 (2017.05); C07C 2603/40 (2017.05); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 50/19 (2023.02); H10K 2101/10 (2023.02)] | 18 Claims |
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1. An organic electric element comprising:
an anode;
a cathode; and
an organic material layer formed between the anode and the cathode, the organic material layer comprising:
a light emitting layer;
a hole transport layer formed between the light emitting layer and the anode; and
an emission-auxiliary layer formed between the hole transport layer and the light emitting layer,
wherein the hole transport layer, the emission-auxiliary layer and the light emitting layer comprise a compound of Formula 1, respectively:
 wherein:
R1 and R2 are each independently selected from the group consisting of hydrogen, deuterium, halogen, a cyano group, a nitro group, a C6-C60 aryl group, a fluorenyl group, a C2-C60 heterocyclic group comprising at least one heteroatom selected from the group consisting of O, N, S, Si and P, a C3-C60 aliphatic ring, a C1-C30 alkyl group, a C2-C30 alkenyl group, a C2-C30 alkynyl group, a C1-C30 alkoxyl group, a C6-C30 aryloxy group and a C6-C30 arylthio group, and adjacent groups may be bonded to each other to form a ring,
a and b are each an integer of 0 to 4, and when each of these is an integer of 2 or more, a plurality of R1s are each the same as or different from each other and a plurality of R2s are each the same as or different from each other,
R3 and R4 are each independently selected from the group consisting of hydrogen, deuterium, halogen, a cyano group, a nitro group, a C6-C60 aryl group, a fluorenyl group, a C2-C60 heterocyclic group comprising at least one heteroatom selected from the group consisting of O, N, S, Si and P, a C3-C60 aliphatic ring, a C1-C30 alkyl group, a C2-C30 alkenyl group, a C2-C30 alkynyl group, a C1-C30 alkoxyl group, a C6-C30 aryloxy group and -L′-N(Ra)(Rb), and R3 and R4 may be bonded to each other to form a ring,
Ar1 to Ar4 are each independently selected from the group consisting of a C6-C60 aryl group, a fluorenyl group, a C2-C60 heterocyclic group comprising at least one heteroatom selected from the group consisting of O, N, S, Si and P, and a C3-C60 aliphatic ring,
L1 to L6 are each independently selected from the group consisting of a single bond, a C6-C60 arylene group, a fluorenylene group, a C3-C60 aliphatic ring, and a C2-C60 heterocyclic group comprising at least one heteroatom selected from the group consisting of O, N, S, Si and P,
i and j are each an integer of 0 to 2, and when both i and j are 0, one of R3 and R4 contain -L′-N(Ra)(Rb), with a proviso that i+j is an integer greater than or equal to 1 for the compound of Formula 1 included in the light emitting layer,
when i is an integer of 2, a plurality of Ar1s, a plurality of Ar2s, a plurality of L1s, a plurality of L2s, a plurality of L3s are the same as or different from each other,
when j is an integer of 2, a plurality of Ar3s, a plurality of Ar4s, a plurality of L4s, a plurality of L5s, a plurality of L6s are the same as or different from each other,
L′ is selected from the group consisting of a single bond, a C6-C60 arylene group, a fluorenylene group, a C3-C60 aliphatic ring, and a C2-C60 heterocyclic group comprising at least one heteroatom selected from the group consisting of O, N, S, Si and P,
Ra and Rb are each independently selected from the group consisting of a C6-C60 aryl group, a fluorenyl group, a C3-C60 aliphatic ring, and a C2-C60 heterocyclic group comprising at least one heteroatom selected from the group consisting of O, N, S, Si and P, and
R1 to R4, Ar1 to Ar4, L1 to L6, L′, Ra, Rb, the ring formed by adjacent groups or by R3 and R4 may be each optionally substituted with one or more substituents selected from the group consisting of deuterium, halogen, a silane group unsubstituted or substituted with a C1-C20 alkyl group or a C6-C20 aryl group, a siloxane group, a boron group, a germanium group, a cyano group, a nitro group, a C1-C20 alkylthio group, a C1-C20 alkoxy group, a C6-C20 aryloxy group, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, a C6-C20 aryl group, a C6-C20 aryl group substituted with deuterium, a fluorenyl group, a C2-C20 heterocyclic group containing at least one heteroatom of O, N, S, Si, and P, a C3-C20 aliphatic ring group, a C7-C20 arylalkyl group, C8-C20 arylalkenyl group and -L′-N(Ra)(Rb).
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