US 11,711,973 B2
Organic electronic device
Hyoung Keun Park, Chuncheon-si (KR); Junggeun Lee, Cheonan-si (KR); Sun-Hee Lee, Cheonan-si (KR); Yong Wook Park, Cheonan-si (KR); and Sung Yong Han, Cheonan-si (KR)
Assigned to Duk San Neolux Co., Ltd., Cheonan-si (KR)
Filed by Duk San Neolux Co., Ltd., Cheonan-si (KR)
Filed on Oct. 11, 2022, as Appl. No. 17/963,798.
Application 17/963,798 is a continuation in part of application No. 17/631,592, previously published as PCT/KR2020/010045, filed on Jul. 30, 2020.
Claims priority of application No. 10-2019-0094551 (KR), filed on Aug. 2, 2019; application No. 10-2020-0047638 (KR), filed on Apr. 20, 2020; and application No. 10-2020-0082278 (KR), filed on Jul. 3, 2020.
Prior Publication US 2023/0111469 A1, Apr. 13, 2023
Int. Cl. H01L 51/50 (2006.01); H10K 85/60 (2023.01); H10K 59/32 (2023.01); H10K 50/155 (2023.01)
CPC H10K 85/636 (2023.02) [H10K 85/633 (2023.02); H10K 85/6576 (2023.02); H10K 50/155 (2023.02); H10K 59/32 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02)] 20 Claims
OG exemplary drawing
 
1. 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,
the first hole transport layer comprises a first compound represented by following Formula 20,

OG Complex Work Unit Chemistry
wherein, in the formula 20, R21 to R24 are independently 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; a C2-C20 alkynyl group; a C1-C30 alkoxyl group; or a C6-C30 aryloxy group,
each of Ar21 and Ar22 is selected from the group consisting of 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,
L21 is independently selected from the group consisting of a single bond; a C6-C60 arylene group; and C2-C60 heterocyclic group including at least one hetero atom of O, N, S, Si, or P,
aa, ad may be 0˜4; ab may be 0˜3; ac may be 0˜6,
each of an aryl group, a fluorenyl group, a heterocyclic group, a fused ring group, an alkyl group, an alkenyl group, an alkynyl group, an alkoxyl group, an aryloxy group, and an arylene group in the Formula 20 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 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 these substituents are bonded to form a ring.