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US 11,081,653 B2Granted
Heterocyclic compound and organic light emitting element using same
AssigneeLt Materials Co., Ltd.
InventorsMi-Jin Kim, Won-Jang Jeong, Jin-Seok Choi
Life of this patent
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Abstract
The present application provides a hetero-cyclic compound which may significantly improve the service life, efficiency, electrochemical stability, and thermal stability of an organic light emitting device, and an organic light emitting device in which the hetero-cyclic compound is contained in an organic compound layer.
Claims6
A hetero-cyclic compound represented by any one of the following Chemical Formulae 8 to 10:
- in Chemical Formulae 8 to 10,
- R1 to R8 are each independently selected from the group consisting of hydrogen;
- deuterium;
- a halogen group;
- —CN;
- a substituted or unsubstituted C1 to C60 alkyl group;
- a substituted or unsubstituted C2 to C60 alkenyl group;
- a substituted or unsubstituted C2 to C60 alkynyl group;
- a substituted or unsubstituted C1 to C60 alkoxy group;
- a substituted or unsubstituted C3 to C60 cycloalkyl group;
- a substituted or unsubstituted C2 to C60 heterocycloalkyl group;
- a substituted or unsubstituted C6 to C60 aryl group;
- a substituted or unsubstituted C2 to C60 heteroaryl group;
- —SiRR′R″;
- —P(═O)RR′;
- and an amine group which is unsubstituted or substituted with a C1 to C20 alkyl group, a substituted or unsubstituted C6 to C60 aryl group, or a substituted or unsubstituted C2 to C60 heteroaryl group, or two or more adjacent groups are bonded to each other to form a substituted or unsubstituted aliphatic or aromatic hydrocarbon ring,
- L is an unsubstituted phenylene group;
- or an unsubstituted biphenylene group,
- Ar is represented by any one of the following Chemical Formulae 2 to 7,
- in Chemical Formulae 2 to 7,
- at least two of X1 to X5 is N, and the others are N or CR,
- at least one of X6 and X7 is N, and the other is N or CR,
- at least one of X8 and X9 is N, and the other is N or CR,
- R9 to R34 are the same as or different from each other, and are each independently selected from the group consisting of hydrogen;
- deuterium;
- a halogen group;
- —CN;
- a substituted or unsubstituted C1 to C60 alkyl group;
- a substituted or unsubstituted C2 to C60 alkenyl group;
- a substituted or unsubstituted C2 to C60 alkynyl group;
- a substituted or unsubstituted C1 to C60 alkoxy group;
- a substituted or unsubstituted C3 to C60 cycloalkyl group;
- a substituted or unsubstituted C2 to C60 heterocycloalkyl group;
- a substituted or unsubstituted C6 to C60 aryl group;
- a substituted or unsubstituted C2 to C60 heteroaryl group;
- —SiRR′R″;
- —P(═O)RR′;
- and an amine group which is unsubstituted or substituted with a C1 to C20 alkyl group, a substituted or unsubstituted C6 to C60 aryl group, or a substituted or unsubstituted C2 to C60 heteroaryl group, or two or more adjacent groups are bonded to each other to form a substituted or unsubstituted aliphatic or aromatic hydrocarbon ring,
- R, R′, and R″ are the same as or different from each other, and are each independently hydrogen;
- deuterium;
- —CN;
- a substituted or unsubstituted C1 to C60 alkyl group;
- a substituted or unsubstituted C3 to C60 cycloalkyl group;
- a substituted or unsubstituted C6 to C60 aryl group;
- or a substituted or unsubstituted C2 to C60 heteroaryl group, and
- * denotes a position bonded to L.
43 more elements
Dependencies are inferred from the claim text.