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US 11,770,973 B2Granted
Organic electroluminescence device and amine compound for organic electroluminescence device
AssigneeSamsung Display Co., Ltd.
InventorsSanghyun Han, Dongjun Kim, Minji Kim, Jongwoo Kim, Eunjae Jeong, Sohee Jo
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Abstract
An organic electroluminescence device of an embodiment includes a first electrode and a second electrode which are faced to each other, and a plurality of organic layers between the first electrode and the second electrode, and at least one organic layer selected from among the organic layers includes an amine compound represented by Formula 1 below, and thus, the organic electroluminescence device can exhibit improved emitting efficiency and long device lifespan.
Claims18
An organic electroluminescence device comprising:
- a first electrode;
- a second electrode facing the first electrode;
- and
- a plurality of organic layers between the first electrode and the second electrode, wherein:
- at least one selected from among the organic layers includes an amine compound,
- wherein the amine compound is represented by Formula 1 below:
- in Formula 1 above,
- L is a direct linkage, or a substituted or unsubstituted heteroarylene group having 2 to 30 carbon atoms for forming a ring,
- Ar1 and Ar2 are each independently a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring, and
- M is represented by Formula 2 below:
- in Formula 2 above,
- R11 to R21 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 60 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 2 to 60 carbon atoms for forming a ring, and
- one selected from among R11 to R21 is a part linked to L of Formula 1.
10 more elements
An organic electroluminescence device comprising:
- a first electrode;
- a second electrode facing the first electrode;
- and
- a plurality of organic layers between the first electrode and the second electrode,
- wherein at least one organic layer selected from among the organic layers comprises an amine compound represented by Formula 1 below:
- in Formula 1 above,
- L is a direct linkage or a substituted or unsubstituted heteroarylene group having 2 to 30 carbon atoms for forming a ring,
- Ar1 and Ar2 are each independently a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring, and
- M is represented by Formula 2 below:
- in Formula 2,
- R11 to R21 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 60 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 2 to 60 carbon atoms for forming a ring, and
- one selected from among R11 to R21 is a part linked to L of Formula 1.
9 more elements
An amine compound represented by Formula 1 below:
- in Formula 1,
- L is a direct linkage or a substituted or unsubstituted heteroarylene group having 2 to 30 carbon atoms for forming a ring,
- Ar1 and Ar2 are each independently a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring, and
- M is represented by Formula 2 below:
- in Formula 2 above,
- R11 to R21 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 60 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 2 to 60 carbon atoms for forming a ring, and
- one selected from among R11 to R21 is a part linked to L to Formula 1.
4 more elements
Dependencies are inferred from the claim text.