Heterocyclic compound and organic light emitting device comprising same
The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
1. A heterocyclic compound represented by any one of the following compounds:
2. An organic light emitting device comprising:
a first electrode;
a second electrode provided opposite to the first electrode; and
one or more organic material layers provided between the first electrode and the second electrode,
wherein one or more layers of the organic material layers comprise the heterocyclic compound of claim 1 .
3. The organic light emitting device of claim 2 , wherein the organic material layer comprises a light emitting layer, and the light emitting layer comprises the heterocyclic compound.
4. The organic light emitting device of claim 2 , wherein the organic material layer comprises an electron injection layer or an electron transfer layer, and the electron injection layer or the electron transfer layer comprises the heterocyclic compound.
5. The organic light emitting device of claim 2 , wherein the organic material layer comprises an electron blocking layer or a hole blocking layer, and the electron blocking layer or the hole blocking layer comprises the heterocyclic compound.
6. The organic light emitting device of claim 2 , further comprising one, two or more layers selected from the group consisting of a light emitting layer, a hole injection layer, a hole transfer layer, an electron injection layer, an electron transfer layer, an electron blocking layer and a hole blocking layer.
7. The organic light emitting device of claim 2 , comprising:
a first electrode;
a first stack provided on the first electrode and comprising a first light emitting layer;
a charge generation layer provided on the first stack;
a second stack provided on the charge generation layer and comprising a second light emitting layer; and
a second electrode provided on the second stack.
8. The organic light emitting device of claim 7 , wherein the charge generation layer comprises the heterocyclic compound.
9. The organic light emitting device of claim 7 , wherein the charge generation layer is an N-type charge generation layer, and the charge generation layer comprises the heterocyclic compound.