US 12,035,552 B2
Organic electroluminescence device and amine compound for organic electroluminescence device
Eunjae Jeong, Hwaseong-si (KR); Dongjun Kim, Suwon-si (KR); Minji Kim, Hwaseong-si (KR); Sohee Jo, Cheonan-si (KR); and Sanghyun Han, Hwaseong-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Mar. 23, 2021, as Appl. No. 17/210,322.
Claims priority of application No. 10-2020-0070839 (KR), filed on Jun. 11, 2020.
Prior Publication US 2021/0399250 A1, Dec. 23, 2021
Int. Cl. H10K 50/15 (2023.01); C09K 11/07 (2006.01); H05B 33/14 (2006.01); H10K 85/60 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01)
CPC H10K 50/15 (2023.02) [C09K 11/07 (2013.01); H05B 33/14 (2013.01); H10K 85/615 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02)] 20 Claims
OG exemplary drawing
 
1. An organic electroluminescence device comprising:
a first electrode;
a hole transport region on the first electrode;
an emission layer on the hole transport region; and
an electron transport region on the emission layer,
wherein the hole transport region comprises an amine compound represented by Formula 1:

OG Complex Work Unit Chemistry
and
wherein, in Formula 1,
L1 and L2 are each independently a direct linkage, a substituted or unsubstituted arylene group having 6 to 30 ring-forming carbon atoms, or a substituted or unsubstituted heteroarylene group having 2 to 30 ring-forming carbon atoms,
m and n are each independently an integer of 0 to 2,
Ar1 and Ar2 are each independently a substituted or unsubstituted aryl group having 6 to 30 ring-forming carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring-forming carbon atoms,
R1 to R4 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring-forming carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring-forming carbon atoms,
a and b are each independently an integer of 0 to 4, and
c and d are each independently an integer of 0 to 5.