Heterocyclic compound and organic light-emitting device containing same
A heterocyclic compound, organic light-emitting device, and a flat panel display device, the heterocyclic compound being represented by Formula 1 or 2 below:
1. A heterocyclic compound represented by Formula 1 or Formula 2 below:
wherein:
R 1 , R 2 , R 6 , and R 7 are each independently a methyl group or a phenyl group, and
R 3 , R 4 , R 5 , R 8 , R 9 , and R 10 are each independently selected from the group of a hydrogen atom, a heavy hydrogen atom, a halogen atom, a cyano group, a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, and compounds selected from the group of Formulae 3a to 3d below:
wherein Z 1 is selected from the group of a hydrogen atom, a heavy hydrogen atom, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C6-C20 aryl group, a substituted or unsubstituted C3-C20 heteroaryl group, a substituted or unsubstituted C6-C20condensed polycyclic group, a halogen atom, a cyano group, a nitro group, a hydroxy group, and a carboxy group;
p is an integer from 1 to 5 in Formula 3a, an integer from 1 to 7 in Formula 3b and 3d, and an integer from 1 to 4 in Formula 3c; and
*is a binding site.
2. A heterocyclic compound represented by Compound 2, 16, 21, 24, 25, or 45, below:
3. An organic light-emitting device, comprising:
a first electrode;
a second electrode; and
an organic layer interposed between the first electrode and the second electrode,
wherein the organic layer includes the heterocyclic compound as claimed in claim 1 .
4. The organic light-emitting device of claim 3 , wherein the organic layer includes a hole injection layer, a hole transport layer, a single layer having both hole injecting and transporting capabilities, an electron injection layer, an electron transport layer, or a single layer having both electron injecting and transporting capabilities.
5. The organic light-emitting device of claim 3 , wherein the organic layer is an emission layer and the heterocyclic compound is a host or dopant for a fluorescent or phosphorescent device.
6. The organic light-emitting device of claim 3 , wherein:
the organic layer includes an emission layer, a hole transport layer, and an electron transport layer, and the emission layer includes an anthracene compound, an arylamine compound, or a styryl compound.
7. The organic light-emitting device of claim 3 , wherein:
the organic layer includes an emission layer, a hole transport layer, and an electron transport layer, and
one of a red, a green, a blue, and a white layer of the emission layer includes a phosphorescent compound.
8. The organic light-emitting device of claim 3 , wherein the organic layer is a blue emission layer.
9. The organic light-emitting device of claim 3 , wherein:
the organic layer is a blue emission layer, and
the heterocyclic compound is a blue host.
10. The organic light-emitting device of claim 3 , wherein:
the organic layer includes a plurality of layers, and
at least one layer of the organic layers is formed by a wet process using the heterocyclic compound.
11. A flat panel display device comprising the organic light-emitting device as claimed in claim 3 , wherein the first electrode of the organic light-emitting device is electrically connected to a source electrode or a drain electrode of a thin film transistor.
12. An organic light-emitting device, comprising:
a first electrode;
a second electrode; and
an organic layer interposed between the first electrode and the second electrode,
wherein the organic layer includes the heterocyclic compound as claimed in claim 2 .
13. A flat panel display device comprising the organic light-emitting device as claimed in claim 12 , wherein the first electrode of the organic light-emitting device is electrically connected to a source electrode or a drain electrode of a thin film transistor.