Organic electronic device

An organic electronic device comprising:

• a first electrode;
• a second electrode;
• and
• an organic material layer positioned between the first electrode and the second electrode and comprising a first stack, a second stack, and a third stack,
• wherein the first stack comprises a first hole transport region, a first emission layer, and a first electron transport region,
• the first hole transport region comprises a first hole transport layer and a first auxiliary emission layer,
• the first hole transport layer or the first auxiliary emission layer comprises a first compound represented by the following Formula 1,
• the thickness of the first hole transport layer ranges from 250 Å to 700 Å, and
• 10% to 50% of the thickness of the first hole transport layer is doped with a first doping material,
• wherein each of m and n is independently 0 or 1, where m+n is 1,
• each of Ar1 and Ar2 is selected from the group consisting of a C6-C60 aryl group;
• a fluorenyl group;
• a C2-C60 heterocyclic group including at least one hetero atom of O, N, S, Si, or P;
• or a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring,
• each of Ar3 and Ar4 is independently selected from the group consisting of a C6-C60 aryl group;
• a fluorenyl group;
• a C2-C60 heterocyclic group including at least one hetero atom of O, N, S, Si, or P;
• or a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring,
• each of L1 to L6 is independently selected from the group consisting of a single bond;
• a C6-C60 arylene group;
• a fluorenylene group;
• a C2-C60 heterocyclic group including at least one hetero atom of O, N, S, Si, or P;
• or a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring,
• X is selected from the group consisting of hydrogen;
• deuterium;
• a C6-C30 aryl group;
• a fluorenyl group;
• a C2-C30 heterocyclic group including at least one hetero atom of O, N, S, Si, or P;
• a fused ring group of a C3-C30 aliphatic ring and a C6-C30 aromatic ring;
• a C1-C30 alkyl group;
• a C2-C20 alkenyl group;
• or a C2-C20 alkynyl group,
• i) when n is 0, Y is selected from the group consisting of hydrogen;
• deuterium;
• a C6-C30 aryl group;
• a fluorenyl group;
• a C2-C30 heterocyclic group including at least one hetero atom of O, N, S, Si, or P;
• a fused ring group of a C3-C30 aliphatic ring and a C6-C30 aromatic ring;
• a C1-C30 alkyl group;
• a C2-C20 alkenyl group;
• or a C2-C20 alkynyl group, and ii) when n is 1, Y is selected from the group consisting of a C6-C60 arylene group;
• a fluorenylene group;
• a C2-C60 heterocyclic group including at least one hetero atom of O, N, S, Si, or P;
• or a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring,
• X and Y are bonded to form a spiro compound,
• each of ring A and ring B is independently a C6-C10 aryl group,
• each of R1 and R2 is independently selected from the group consisting of deuterium;
• a halogen;
• a C6-C30 aryl group;
• a fluorenyl group;
• a C2-C30 heterocyclic group including at least one hetero atom of O, N, S, Si, or P;
• a fused ring group of a C3-C30 aliphatic ring and a C6-C30 aromatic ring;
• a C1-C30 alkyl group;
• a C2-C20 alkenyl group;
• a C2-C20 alkynyl group;
• a C1-C30 alkoxyl group;
• or a C6-C30 aryloxy group,
• a is an integer from 0 to 7, and b is an integer from 0 to 8,
• each of the aryl group, the fluorenyl group, the heterocyclic group, the fused ring group, the alkyl group, the alkenyl group, the alkynyl group, the alkoxyl group, the aryloxy group, the arylene group, and the fluorenylene group is further substituted with one or more substituents selected from the group consisting of deuterium;
• a halogen group;
• a C1-C20 alkoxyl group;
• a C1-C20 alkyl group;
• a C2-C20 alkenyl group;
• a C2-C20 alkynyl group;
• a C6-C25 aryl group;
• a C6-C25 aryl group substituted with deuterium;
• a fluorenyl group;
• a C2-C20 heterocyclic group;
• or a C3-C20 cycloalkyl group, and
• each of the further substituted substituents is capable of being further substituted with one or more substituents selected from the group consisting of deuterium;
• a halogen group;
• a C1-C20 alkoxyl group;
• a C1-C20 alkyl group;
• a C2-C20 alkenyl group;
• a C2-C20 alkynyl group;
• a C6-C25 aryl group;
• a C6-C25 aryl group substituted with deuterium;
• a fluorenyl group;
• a C2-C20 heterocyclic group;
• or a C3-C20 cycloalkyl group, and the substituents are bonded to each other to form a ring.