US 12,089,489 B2
Organic electroluminescence device and diamine compound for organic electroluminescence device
XiuLan Jin, Yokohama (JP)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Nov. 13, 2020, as Appl. No. 17/097,647.
Claims priority of application No. 10-2020-0021050 (KR), filed on Feb. 20, 2020.
Prior Publication US 2021/0280786 A1, Sep. 9, 2021
Int. Cl. H01L 51/00 (2006.01); C07C 211/58 (2006.01); C07D 307/91 (2006.01); C07D 333/76 (2006.01); C09K 11/06 (2006.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 50/17 (2023.01)
CPC H10K 85/633 (2023.02) [C07C 211/58 (2013.01); C07D 307/91 (2013.01); C07D 333/76 (2013.01); C09K 11/06 (2013.01); H10K 85/636 (2023.02); 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 50/17 (2023.02); H10K 85/615 (2023.02); H10K 85/626 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02)] 11 Claims
OG exemplary drawing
 
1. An organic electroluminescence device comprising:
a first electrode;
a hole transport region disposed on the first electrode;
an emission layer disposed on the hole transport region;
an electron transport region disposed on the emission layer; and
a second electrode disposed on the electron transport region,
wherein the hole transport region comprises a diamine compound represented by one of Formulas 3-1, 3-2, 5 to 8, 9-1, 10, and 11:

OG Complex Work Unit Chemistry

OG Complex Work Unit Chemistry
wherein in Formulas 3-1, 3-2, 5 to 8, 9-1, 10, and 11,
a6 to a8 are each independently a hydrogen atom or a deuterium atom,
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 from 0 to 4,
Ar1 to Ar4 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; except that in Formula 4, at least one of Ar1 to Ar4 is a substituted or unsubstituted heteroaryl group having 2 to 30 ring-forming carbon atoms,
R1 and R2 are each independently a hydrogen atom, a deuterium atom, a halogen atom, 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, a substituted or unsubstituted heteroaryl group having 2 to 30 ring-forming carbon atoms, or bonded to an adjacent group to form a ring,
and p are each independently an integer from 0 to 5,
R3 and R4 are each independently a hydrogen atom or a deuterium atom, and
q and r are each independently an integer from 0 to 2.