Organic compound, charge transport material and organic electroluminescent device
View Patent ↗An organic compound is represented by following Formula (I): wherein Cz 1 and Cz 2 may be the same as or different from each other and each represent a carbazolyl group; Q 1 and Q 2 may be the same as or different from each other and each represent a direct bond or an arbitrary linkage group; and Cz 1 , Cz 2 , Q 1 , Q 2 , Ring B 1 and Ring B 2 may each be substituted. The organic compound and charge transporting material show both excellent hole transporting ability and excellent electron transporting ability and have satisfactory durability against electric oxidation/reduction and a high triplet excitation level. An organic electroluminescent device using the organic compound emits light with a high efficiency and is highly stably driven.
1. A compound of Formula (I):
wherein
Cz 1 and Cz 2 may be the same as or different from each other and each represent a carbazolyl group;
Q 1 and Q 2 may be the same as or different from each other and each represent a direct bond or an arbitrary linkage group;
Cz 1 , Cz 2 , Q 1 , Q 2 , Ring B 1 and Ring B 2 may optionally each be substituted, wherein Formula (I) is represented by following Formula (I-1):
wherein G 1 , G 2 , G 3 , and G 4 may be the same as or different from each other and each represent a direct bond or an arbitrary linkage group;
ring A 1 and Ring A 2 each represent a benzene ring which may be substituted; and
Cz 1 , CZ 2 , Ring B 1 and Ring B 2 are as defined in Formula (I).
2. The organic compound according to claim 1 , wherein the partial structure of Formula (I) represented by following Formula (I′) is represented by following Formula (III-1):
wherein Ring B 1 and Ring B 2 are as defined in Formula (I).
3. The organic compound according to claim 1 , wherein all the carbazolyl groups in the molecule are N-carbazolyl groups represented by following Formula (II):
4. The organic compound according to claim 1 , wherein within Formula (I), the partial structure represented by Formula (I′) is a structure of Formula (III-2):
5. The organic compound according to claim 1 , wherein within Formula (I), the partial structure represented by Formula (I′) is a structure of Formula (III-3):
6. The organic compound according to claim 1 , which is represented by the following structural formula:
7. The organic compound according to claim 1 , which is represented by the following structural formula:
8. An organic compound, which is represented by the following structural formula:
9. An organic compound, which is represented by the following structural formula:
10. The organic compound according to claim 1 , which is represented by the following structural formula:
11. The organic compound according to claim 1 , which is represented by the following structural formula:
12. The organic compound according to claim 1 , which is represented by the following structural formula:
13. An organic compound, which is represented by the following structural formula:
14. A charge transporting material comprising the organic compound of claim 1 .
15. An organic electroluminescent device comprising a substrate bearing an anode, a cathode, and an organic light-emitting layer arranged between the two electrodes, wherein the organic electroluminescent device includes a layer containing the organic compound of claim 1 between the anode and the cathode.