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US 2020/0403160 A1Published application
Organic electroluminescence device and fused polycyclic compound for organic electroluminescence device
AssigneeSamsung Display Co., Ltd.
InventorNaoya SAKAMOTO
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Abstract
An organic electroluminescence device of the embodiments includes oppositely disposed first electrode and second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one among the organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency and long life: Formula 1
Claims20
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 the first electrode and the second electrode each independently comprise at least one selected from Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF/Ca, LiF/Al, Mo, Ti, In, Sn, and Zn, a compound of two or more thereof, a mixture of two or more thereof, and an oxide of one or more thereof,
- wherein at least one organic layer among the plurality of organic layers comprises a fused polycyclic compound, and
- the fused polycyclic compound comprises:
- a fused polycyclic heterocycle in which five rings are fused, the fused polycyclic heterocycle comprising one boron atom and two nitrogen atoms,
- an amine group connected with one ring in the fused polycyclic heterocycle;
- and
- a substituted or unsubstituted aromatic hydrocarbon ring which is connected with one or more rings, to which the amine group is not connected in the fused polycyclic heterocycle, via two heteroatoms which are each independently selected from the group consisting of a boron atom, an oxygen atom, a sulfur atom and a nitrogen atom.
7 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 among the plurality of organic layers comprises a fused polycyclic compound represented by Formula 1:
- in Formula 1,
- X1 and X2 are each independently BAr5, O, S, or NAr6,
- Ar1 to Ar6 are each independently a substituted or unsubstituted aryl group of 6 to 60 carbon atoms to form a ring, or a substituted or unsubstituted heteroaryl group of 2 to 60 carbon atoms to form a ring,
- Ar1 and Ar2 are optionally combined with each other to form a ring,
- R1 to R4 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted amine group, a substituted or unsubstituted oxy group, a substituted or unsubstituted thio group, a substituted or unsubstituted alkyl group of 1 to 20 carbon atoms, a substituted or unsubstituted aryl group of 6 to 60 carbon atoms to form a ring, or a substituted or unsubstituted heteroaryl group of 2 to 60 carbon atoms to form a ring, or combined with an adjacent group to form a ring,
- n1 and n2 are integers of 0 to 2, and
- n3 and n4 are integers of 0 to 4.
9 more elements
A fused polycyclic compound represented by the following Formula 1:
- in Formula 1,
- X1 and X2 are each independently BAr5, O, S, or NAr6,
- Ar1 to Ar6 are each independently a substituted or unsubstituted aryl group of 6 to 60 carbon atoms to form a ring, or a substituted or unsubstituted heteroaryl group of 2 to 60 carbon atoms to form a ring,
- Ar1 and Ar2 may be combined with each other to form a ring,
- R1 to R4 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted amine group, a substituted or unsubstituted oxy group, a substituted or unsubstituted thio group, a substituted or unsubstituted alkyl group of 1 to 20 carbon atoms, a substituted or unsubstituted aryl group of 6 to 60 carbon atoms to form a ring, or a substituted or unsubstituted heteroaryl group of 2 to 60 carbon atoms to form a ring, and any of R1 to R4 are optionally combined with an adjacent group to form a ring,
- n1 and n2 are each independently an integer of 0 to 2, and
- n3 and n4 are each independently an integer of 0 to 4.
4 more elements
Dependencies are inferred from the claim text.