US 12,219,870 B2
Organic electroluminescence device and compound for organic electroluminescence device
Hye Jeong Park, Hwaseong-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Jan. 12, 2021, as Appl. No. 17/146,993.
Claims priority of application No. 10-2020-0056355 (KR), filed on May 12, 2020.
Prior Publication US 2021/0359220 A1, Nov. 18, 2021
Int. Cl. H10K 85/60 (2023.01); C07D 471/04 (2006.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01)
CPC H10K 85/6572 (2023.02) [C07D 471/04 (2013.01); H10K 50/15 (2023.02); H10K 50/16 (2023.02)] 14 Claims
OG exemplary drawing
 
1. An organic electroluminescence device comprising:
a first electrode;
a second electrode disposed on the first electrode; and
a plurality of functional layers disposed between the first electrode and the second electrode,
wherein at least one of the plurality of functional layers comprises a compound represented by Formula 1-4 or Formula 1-5:
[Formula 1-4]

OG Complex Work Unit Chemistry
[Formula 1-5]

OG Complex Work Unit Chemistry
wherein in Formula 1-4 or Formula 1-5,
at least one of X1 to X3 is N, and the remainder are each CR1,
R11 is a substituted or unsubstituted aryl group having 6 to 60 ring-forming carbon atoms, or a substituted or unsubstituted heteroaryl group having 1 to 60 ring-forming carbon atoms,
R12, R13, and R1 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group having 1 to 60 carbon atoms, a substituted or unsubstituted alkenyl group having 2 to 60 carbon atoms, a substituted or unsubstituted alkynyl group having 2 to 60 carbon atoms, a substituted or unsubstituted aryl group having 6 to 60 ring-forming carbon atoms, or a substituted or unsubstituted heteroaryl group having 1 to 60 ring-forming carbon atoms,
L1 is substituted or unsubstituted phenylene group, a substituted or unsubstituted divalent biphenyl group, a substituted or unsubstituted pyridylene group, or a substituted or unsubstituted divalent bipyridyl group,
a is an integer from 1 to 4,
b is an integer from 0 to 9,
c is an integer from 0 to 7,
m is an integer from 0 to 3, when m is 0 and a is 1, then R11 is substituted or unsubstituted naphthyl group, and
when L1 is unsubstituted phenylene group, m is 1, and a is 1, then R11 is neither an unsubstituted phenyl group nor an unsubstituted pyridine group.