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US 11,685,751 B2Granted
Compound and organic light-emitting element comprising same
AssigneeLG Chem, Ltd.
InventorsSujeong Geum, Hye Min Cho, Seonwoo Kim, Wanpyo Hong, Jaegoo Lee, Hoon Jun Kim
Life of this patent
Estimating the term…
Abstract
A compound of Chemical Formula 1, and an organic light emitting device including the same, the compound used as a material of an organic material layer of the organic light emitting device and providing high color purity and enhanced lifetime properties.
Claims8
A compound represented by the following Chemical Formula 1:
- wherein in Chemical Formula 1,
- X1 is O or S,
- A1 is a substituted or unsubstituted heteroring;
- a substituted or unsubstituted aromatic hydrocarbon ring;
- or a substituted or unsubstituted fused ring of aromatic hydrocarbon ring and aliphatic hydrocarbon ring,
- A2 is a substituted or unsubstituted aliphatic hydrocarbon ring;
- or a substituted or unsubstituted fused ring of aromatic hydrocarbon ring and aliphatic hydrocarbon ring having 6 to 30 carbon atoms,
- Ar1 and Ar2 are the same as or different from each other, and each independently a substituted or unsubstituted cycloalkyl group;
- a substituted or unsubstituted aryl group;
- a substituted or unsubstituted heterocyclic group;
- or a substituted or unsubstituted fused ring group of aromatic hydrocarbon ring and aliphatic hydrocarbon ring,
- R1 is hydrogen;
- deuterium;
- a halogen group;
- a cyano group;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted cycloalkyl group;
- a substituted or unsubstituted alkoxy group;
- a substituted or unsubstituted arylalkyl group;
- a substituted or unsubstituted aryloxy group;
- a substituted or unsubstituted silyl group;
- a substituted or unsubstituted amine group;
- a substituted or unsubstituted aryl group;
- a substituted or unsubstituted fused ring group of aromatic hydrocarbon ring and aliphatic hydrocarbon ring;
- or a substituted or unsubstituted heterocyclic group,
- r1 is an integer of 1 to 3,
- when r1 is 2 or greater, the two or more R1s are the same as or different from each other,
- the compound of Chemical Formula 1 includes at least one fused aliphatic hydrocarbon ring having 6 to 10 carbon atoms substituted with a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms.
25 more elements
A compound selected from the followings:
- wherein,
- Ph is a phenyl group, and D is deuterium.
An organic light emitting device comprising:
- a first electrode;
- a second electrode;
- and
- an organic material layer including one or more layers provided between the first electrode and the second electrode,
- wherein the organic material layer includes a light emitting layer, and the light emitting layer includes a compound represented by the following Chemical Formula 1 as a dopant material, and two or more types of compounds represented by the following Chemical Formula H as the host compound:
- in Chemical Formula 1,
- X1 is O or S,
- A1 is a substituted or unsubstituted heteroring;
- a substituted or unsubstituted aromatic hydrocarbon ring;
- or a substituted or unsubstituted fused ring of aromatic hydrocarbon ring and aliphatic hydrocarbon ring;
- A2 is a substituted or unsubstituted aromatic hydrocarbon ring;
- a substituted or unsubstituted aliphatic hydrocarbon ring;
- or a substituted or unsubstituted fused ring of aromatic hydrocarbon ring and aliphatic hydrocarbon ring;
- Ar1 and Ar2 are the same as or different from each other;
- and each independently a substituted or unsubstituted cycloalkyl group;
- a substituted or unsubstituted aryl group;
- a substituted or unsubstituted heterocyclic group;
- or a substituted or unsubstituted fused ring group of aromatic hydrocarbon ring and aliphatic hydrocarbon ring;
- R1 is hydrogen;
- deuterium;
- a halogen group;
- a cyano group;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted cycloalkyl group;
- a substituted or unsubstituted alkoxy group;
- a substituted or unsubstituted arylalkyl group;
- a substituted or unsubstituted aryloxy group;
- a substituted or unsubstituted silyl group;
- a substituted or unsubstituted amine group;
- a substituted or unsubstituted aryl group;
- a substituted or unsubstituted fused ring group of aromatic hydrocarbon ring and aliphatic hydrocarbon ring;
- or a substituted or unsubstituted heterocyclic group;
- r1 is an integer of 1 to 3;
- when r1 is 2 or greater, the two or more R1s are the same as or different from each other;
- and
- the compound of Chemical Formula 1 includes at least one fused aliphatic hydrocarbon ring substituted with a substituted or unsubstituted alkyl group,
- wherein in Chemical Formula H,
- L20 and L21 are the same as or different from each other, and each independently a direct bond;
- a substituted or unsubstituted arylene group;
- or a substituted or unsubstituted heteroarylene group,
- Ar20 and Ar21 are the same as or different from each other, and each independently hydrogen;
- deuterium;
- a substituted or unsubstituted aryl group;
- or a substituted or unsubstituted heterocyclic group,
- R20 and R21 are the same as or different from each other, and each independently hydrogen;
- deuterium;
- a halogen group;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted cycloalkyl group;
- a substituted or unsubstituted aryl group;
- or a substituted or unsubstituted heterocyclic group, and
- r21 is an integer of 1 to 7, and when r21 is 2 or greater, the two or more R21s are the same as or different from each other.
49 more elements
Dependencies are inferred from the claim text.