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US 11,387,418 B2Granted
Organic light emitting element and composition for organic material layer in organic light emitting element
AssigneeLt Materials Co., Ltd.
InventorsYoung Seok No, Jiyoon Byun, Dongjun Kim
Life of this patent
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Abstract
The present specification relates to an organic light emitting device comprising a first electrode, a second electrode, and one or more organic material layers provided between the first electrode and the second electrode, wherein one or more layers of the organic material layers comprise a heterocyclic compound represented by Chemical Formula 1 and a heterocyclic compound represented by Chemical Formula 2 at the same time, and a composition for an organic material layer of an organic light emitting device.
Claims17
An organic light emitting device comprising:
- a first electrode;
- a second electrode;
- and
- one or more organic material layers provided between the first electrode and the second electrode,
- wherein one or more layers of the organic material layers comprise a heterocyclic compound represented by the following Chemical Formula 1 and a heterocyclic compound represented by the following Chemical Formula 2 at the same time:
- in Chemical Formulae 1 and 2,
- N-Het is a monocyclic or multicyclic heterocyclic group substituted or unsubstituted, and comprising one or more Ns;
- L is a direct bond;
- a substituted or unsubstituted arylene group;
- or a substituted or unsubstituted heteroarylene group, a is an integer of 1 to 3, and when a is 2 or greater, Ls are the same as or different from each other;
- Ra and Rb are the same as or different from each other, and each independently a substituted or unsubstituted aryl group;
- or a substituted or unsubstituted heteroaryl group;
- and
- R9 and R10 are the same as or different from each other, and each independently selected from the group consisting of hydrogen and deuterium;
- R1 to R8, Rc and Rd are the same as or different from each other, and each independently selected from the group consisting of hydrogen;
- deuterium;
- halogen;
- a cyano group;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted alkenyl group;
- a substituted or unsubstituted alkynyl group;
- a substituted or unsubstituted alkoxy group;
- a substituted or unsubstituted cycloalkyl group;
- a substituted or unsubstituted heterocycloalkyl group;
- a substituted or unsubstituted aryl group;
- a substituted or unsubstituted heteroaryl group;
- a substituted or unsubstituted silyl group;
- a substituted or unsubstituted phosphine oxide group;
- and a substituted or unsubstituted amine group, or two or more groups adjacent to each other bond to each other to form a substituted or unsubstituted aliphatic or aromatic hydrocarbon ring or heteroring, b and c are each an integer of 1 to 3, and when b is 2 or greater, R9s are the same as or different from each other and when c is 2 or greater, R10s are the same as or different from each other, r and s are each an integer of 0 to 7, and when r is 2 or greater, Rcs are the same as or different from each other and when s is 2 or greater, Rds are the same as or different from each other.
26 more elements
A composition for an organic material layer of an organic light emitting device, the composition comprising a heterocyclic compound represented by the following Chemical Formula 1 and a heterocyclic compound represented by the following Chemical Formula 2 at the same time:
- wherein, in Chemical Formulae 1 and 2,
- N-Het is a monocyclic or multicyclic heterocyclic group substituted or unsubstituted, and comprising one or more Ns;
- L is a direct bond;
- a substituted or unsubstituted arylene group;
- or a substituted or unsubstituted heteroarylene group, a is an integer of 1 to 3, and when a is 2 or greater, Ls are the same as or different from each other;
- Ra and Rb are the same as or different from each other, and each independently a substituted or unsubstituted aryl group;
- or a substituted or unsubstituted heteroaryl group;
- and
- R9 and R10 are the same as or different from each other, and each independently selected from the group consisting of hydrogen;
- and deuterium;
- R1 to R8, Rc and Rd are the same as or different from each other, and each independently selected from the group consisting of hydrogen;
- deuterium;
- halogen;
- a cyano group;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted alkenyl group;
- a substituted or unsubstituted alkynyl group;
- a substituted or unsubstituted alkoxy group;
- a substituted or unsubstituted cycloalkyl group;
- a substituted or unsubstituted heterocycloalkyl group;
- a substituted or unsubstituted aryl group;
- a substituted or unsubstituted heteroaryl group;
- a substituted or unsubstituted silyl group;
- a substituted or unsubstituted phosphine oxide group;
- and a substituted or unsubstituted amine group, or two or more groups adjacent to each other bond to each other to form a substituted or unsubstituted aliphatic or aromatic hydrocarbon ring or heteroring, b and c are each an integer of 1 to 3, and when b is 2 or greater, R9s are the same as or different from each other and when c is 2 or greater, R10s are the same as or different from each other, r and s are each an integer of 0 to 7, and when r is 2 or greater, Rcs are the same as or different from each other and when s is 2 or greater, Rds are the same as or different from each other.
22 more elements
Dependencies are inferred from the claim text.