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US 11,230,521 B2Granted
Monoamine compound and organic electroluminescence device including the same
AssigneeSamsung Display Co., Ltd.
InventorsIchinori Takada, Takuya Uno, Xiulan Jin
Life of this patent
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Abstract
An monoamine compound and an organic electroluminescence device including the monoamine compound, the monoamine compound being represented by the following Formula 1:
Claims20
A monoamine compound represented by the following Formula 1:
- wherein, in Formula 1,
- Ar1 is a group represented by the following Formula 2,
- Ar2 and Ar3 are each independently a group represented by the following Formula 2, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted silyl group, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring carbon atoms,
- L1 to L3 are each independently a direct linkage, a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroarylene group having 2 to 30 ring carbon atoms,
- wherein, in Formula 2,
- R1 to R4 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted silyl group, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 10 carbon atoms, a substituted or unsubstituted arylthio group having 1 to 10 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms,
- R1 to R4 are separate or form a ring by combining adjacent groups with each other,
- l is 0 or 1,
- m, n, and o are each independently an integer of 0 to 4, and
- p is an integer of 0 to 5,
- wherein at least one selected from Ar1, Ar2 and Ar3 is different from at least an other one selected from Ar1, Ar2 and Ar3, and
- wherein when L1 to L3 are each independently a direct linkage, and one selected from Ar2 and Ar3 is a group represented by Ar-18, an other one selected from Ar2 and Ar3 is a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted silyl group, a substituted or unsubstituted aryl group derived from an aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, or the group represented by Ar-18,
- wherein in Ar-18, * is a bonding location,
- wherein in Ar1 represented by Formula 2, when R1 to R4 are each a hydrogen atom, l is 1, and
- wherein the monoamine compound represented by Formula 1 is a single amine group compound.
12 more elements
A compound of the following Compound Group 1:
An organic electroluminescence device, comprising:
- a first electrode;
- an organic layer on the first electrode, the organic layer including a hole transport region, an emission layer, and an electron transport region;
- and
- a second electrode on the organic layer,
- wherein the organic layer includes a monoamine compound represented by the following Formula 1:
- wherein, in Formula 1,
- Ar1 is a group represented by the following Formula 2,
- Ar2 and Ar3 are each independently a group represented by the following Formula 2, a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted silyl group, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring carbon atoms,
- L1 to L3 are each independently a direct linkage, a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroarylene group having 2 to 30 ring carbon atoms,
- wherein, in Formula 2,
- R1 to R4 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted silyl group, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 10 carbon atoms, a substituted or unsubstituted arylthio group having 1 to 10 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms,
- R1 to R4 are separate or form a ring by combining adjacent groups with each other,
- l is 0 or 1,
- m, n, and o are each independently an integer of 0 to 4, and
- p is an integer of 0 to 5,
- wherein at least one selected from Ar1, Ar2 and Ar3 is different from at least an other one selected from Ar1, Ar2 and Ar3, and
- wherein when L1 to L3 are each independently a direct linkage, and one selected from Ar2 and Ar3 is a group represented by Ar-18, an other one selected from Ar2 and Ar3 is a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted silyl group, a substituted or unsubstituted aryl group derived from an aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, or the group represented by Ar-18,
- wherein in Ar-18, * is a bonding location,
- wherein in Ar1 represented by Formula 2, when R1 to R4 are each a hydrogen atom, l is 1, and
- wherein the monoamine compound represented by Formula 1 is a single amine group compound.
17 more elements
An organic electroluminescence device, comprising:
- a first electrode;
- an organic layer on the first electrode, the organic layer including a hole transport region, an emission layer, and an electron transport region;
- and
- a second electrode on the organic layer,
- wherein the organic layer includes a monoamine compound,
- the hole transport region includes the monoamine compound, and
- the monoamine compound is a compound of the following Compound Group 1:
4 more elements
Dependencies are inferred from the claim text.