Organic compound, charge-transporting material, and organic electroluminescent element
View Patent ↗There are provided an organic having both excellent hole transporting property and satisfactory electron transporting and showing excellent durability against electric oxidation/reduction and a high triplet excitation level, and a charge transporting material and an organic electroluminescent device each using the organic compound. The organic compound is represented by following Formula (I): wherein Cz 1 and Cz 2 each represent a carbazolyl group; Z represents a direct bond or an arbitrary linkage group enabling the conjugation of nitrogen atoms in the carbazole rings of Cz 1 and Cz 2 with each other; and Q represents a direct bond connecting to “G” in following Formula (II):
1. An organic compound represented by following Formula (I):
wherein Cz 1 and Cz 2 each represent a carbazolyl group;
Z represents a direct bond or an arbitrary linkage group enabling the conjugation of nitrogen atoms in the carbazole rings of Cz 1 and Cz 2 with each other;
each of Cz 1 , Cz 2 , and Z may be substituted;
Q represents a direct bond connecting to “G” in following Formula (II):
wherein Ring B 1 represents a six-membered aromatic heterocyclic ring having “n” nitrogen atom(s) as hetero atom(s);
“n” represents an integer of from 1 to 3;
Gs connect to carbon atoms at an ortho position and a para position with respect to the nitrogen atom(s) in Ring B 1 ;
G represents a direct bond or an arbitrary linkage group connecting to Q when G connects to Q;
G represents an aromatic hydrocarbon group when G does not connect to Q;
“m” represents an integer of from 3 to 5;
plural Gs in one molecule may be the same as or different from one another; and
Ring B 1 may have one or more substituents in addition to Gs,
wherein said arbitrary linkage group, if present, represents -(Ph) p -, wherein Ph represents a phenylene group which may be substituted; and “p” represents an integer of from 1 to 8.
2. An organic compound represented by following Formula (I):
wherein Cz 1 and Cz 2 each represent a carbazolyl group;
Z represents an aromatic hydrocarbon group enabling the conjugation of nitrogen atoms in the carbazole rings of Cz 1 and Cz 2 with each other;
each of Cz 1 , Cz 2 , and Z may be substituted;
Q represents a direct bond connecting to “G” in following Formula (II):
wherein Ring B 1 represents a six-membered aromatic heterocyclic ring having “n” nitrogen atom(s) as hetero atom(s);
“n” represents an integer of from 1 to 3;
Gs connect to carbon atoms at an ortho position and a para position with respect to the nitrogen atom(s) in Ring B 1 ;
G represents a direct bond or an arbitrary linkage group connecting to Q when G connects to Q;
G represents an aromatic hydrocarbon group when G does not connect to Q;
“m” represents an integer of from 3 to 5;
plural Gs in one molecule may be the same as or different from one another; and
Ring B 1 may have one or more substituents in addition to Gs,
wherein a moiety of the partial structure represented by Formula (I), except for the moiety of Formula (II), is one selected from following V-1, V-7, V-9, V-13, V-14, and V-15:
3. An organic compound represented by any one of following structural formulae, wherein —N-Cz represents an N-carbazolyl group:
4. An organic compound represented by the following structural formula (EM-1):
5. An organic compound represented by the following structural formula (EM-2):
6. An organic compound represented by the following structural formula (EM-3):
7. An organic compound represented by the following structural formula (EM-4):
8. An organic compound represented by the following structural formula (EM-5):
9. An organic compound represented by the following structural formula (EM-6):
10. An organic compound represented by the following structural formula (EM-7):
11. An organic compound represented by following Formula (I):
wherein Cz 1 and Cz 2 each represent a carbazolyl group;
each of Cz 1 and Cz 2 may be substituted;
Q represents a direct bond connecting to “G” in following Formula (II):
wherein Ring B 1 represents a six-membered aromatic heterocyclic ring having “n” nitrogen atom(s) as hetero atom(s);
“n” represents an integer of from 1 to 3;
Gs connect to carbon atoms at an ortho position and a para position with respect to the nitrogen atom(s) in Ring B 1 ;
G represents a direct bond or an arbitrary linkage group connecting to Q when G connects to Q;
G represents an aromatic hydrocarbon group when G does not connect to Q;
“m” represents an integer of from 3 to 5;
plural Gs in one molecule may be the same as or different from one another; and
Ring B 1 may have one or more substituents in addition to Gs,
wherein Z represents a direct bond enabling the conjugation of nitrogen atoms in the carbazole rings of Cz 1 and Cz 2 with each other.
12. An organic compound represented by following Formula (I):
wherein Cz 1 and Cz 2 each represent a carbazolyl group;
each of Cz 1 and Cz 2 may be substituted;
Q represents a direct bond connecting to “G” in following Formula (II):
wherein Ring B 1 represents a six-membered aromatic heterocyclic ring having “n” nitrogen atom(s) as hetero atom(s);
“n” represents an integer of from 1 to 3;
Gs connect to carbon atoms at an ortho position and a para position with respect to the nitrogen atom(s) in Ring B 1 ;
G represents a direct bond or an arbitrary linkage group connecting to Q when G connects to Q;
G represents an aromatic hydrocarbon group when G does not connect to Q;
“m” represents an integer of from 3 to 5;
plural Gs in one molecule may be the same as or different from one another; and
Ring B 1 may have one or more substituents in addition to Gs,
wherein Z represents an aromatic hydrocarbon group enabling the conjugation of nitrogen atoms in the carbazole rings of Cz 1 and Cz 2 with each other.
13. The organic compound according to claim 12 , wherein the aromatic hydrocarbon group represents a bivalent linkage group including one to eight benzene rings bound to each other.