Organic electroluminescent device
View Patent ↗Disclosed is an organic electroluminescent device including a substrate, a first and second electrodes, and a light-emitting layer formed between the first electrode and the second electrode, and a hole-blocking layer formed between the light-emitting layer and the second electrode and using a material of a chemical formula 1. In this case, at least one of A 1 and A 2 is selected from a substituted or non-substituted aromatic group, a heterocyclic group, an aliphatic group, halogen, and hydrogen.
1. An organic electroluminescent device, comprising:
a substrate;
first and second electrodes formed on the substrate;
a light-emitting layer formed between the first electrode and the second electrode; and
a hole-blocking layer formed between the light-emitting layer and the second electrode and using a material of a chemical formula 1
[Chemical formula 1]
wherein the A1 and A2 is one of the following chemical formulas 2, respectively
[Chemical formula 2]
2. An organic electroluminescent device, comprising:
a substrate;
first and second electrodes formed on the substrate;
a light-emitting layer formed between the first electrode and the second electrode; and
a hole-blocking layer formed between the light-emitting layer and the second electrode and using a material of a chemical formula 1
[Chemical formula 1]
wherein a material of the hole-blocking layer is one of the following chemical formula 3
[Chemical formula 3]