	US 12,421,215 B2
	Heterocyclic compound and organic light emitting device comprising the same
Mi Yeon Han, Daejeon (KR); Dong Hoon Lee, Daejeon (KR); Jung Oh Huh, Daejeon (KR); Boon Jae Jang, Daejeon (KR); Dong Uk Heo, Daejeon (KR); and Min Woo Jung, Daejeon (KR)
Assigned to LG CHEM, LTD., Seoul (KR)
Appl. No. 16/480,651
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Apr. 3, 2018, PCT No. PCT/KR2018/003927 § 371(c)(1), (2) Date Jul. 24, 2019, PCT Pub. No. WO2018/225940, PCT Pub. Date Dec. 13, 2018.
Claims priority of application No. 10-2017-0070988 (KR), filed on Jun. 7, 2017; and application No. 10-2017-0160633 (KR), filed on Nov. 28, 2017.
Prior Publication US 2019/0363260 A1, Nov. 28, 2019
This patent is subject to a terminal disclaimer.
Int. Cl. C07D 405/04 (2006.01); C07D 405/10 (2006.01); C07D 409/04 (2006.01); C07D 409/10 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 85/60 (2023.01); H10K 101/10 (2023.01)

CPC C07D 405/04 (2013.01) [C07D 405/10 (2013.01); C07D 409/04 (2013.01); C07D 409/10 (2013.01); C09K 11/06 (2013.01); H10K 85/615 (2023.02); H10K 85/622 (2023.02); H10K 85/624 (2023.02); H10K 85/626 (2023.02); H10K 85/654 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/17 (2023.02); H10K 50/171 (2023.02); H10K 2101/10 (2023.02)]

6 Claims

1. An organic electroluminescent device, comprising:

a first electrode;

a second electrode provided opposite to the first electrode; and

two or more organic material layers provided between the first electrode and the second electrode,

wherein:

one of the two or more organic material layers comprises a light emitting layer comprising a host material and a dopant material, the dopant material comprising a substituted or unsubstituted fused aromatic ring derivative including a pyrene, an anthracene, a chrysene, or a periflanthene, and comprising an arylamino group; and

one of the two or more organic material layers comprises an electron transport layer in contact with the light emitting layer, and the electron transport layer comprises, in a weight ratio of 1:1, lithium quinolate and a compound of Chemical Formula 1-3:

wherein:

each X is N;

Y is O or S;

L¹is a direct bond, or a phenylene group which is unsubstituted or substituted by deuterium;

L²is a phenylene group which is unsubstituted or substituted by deuterium;

m and n are each independently an integer of 0 to 2, provided that when m=2, L¹is not a direct bond;

Ar¹and Ar²are each independently hydrogen or deuterium; and

Ar³is