Pyrene derivative, organic light-emitting medium, and organic electroluminescent element containing pyrene derivative or organic light- emitting medium
An organic light-emitting medium including a pyrene derivative represented by the following formula (1) and a phenyl-substituted anthracene derivative represented by the following formula (2): wherein Ar 1 to Ar 4 are independently a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 20 ring atoms.
1. A phenyl-substituted anthracene derivative represented by the following formula (2):
wherein
Ar 11 is a substituted or unsubstituted naphthyl group,
m is an integer of 1,
Ar 12 is a substituted or unsubstituted 2-dibenzofuranyl group, and
n is an integer of 1.
2. The phenyl-substituted anthracene derivative according to claim 1 , wherein the substituent for the substituted or unsubstituted naphthyl group and the substituted or unsubstituted 2-dibenzofuranyl group is independently an alkyl group having 1 to 20 carbon atoms, or an aryl group having 6 to 30 ring carbon atoms.
3. The phenyl-substituted anthracene derivative according to claim 1 , wherein the substituent for the substituted or unsubstituted naphthyl group and the substituted or unsubstituted 2-dibenzofuranyl group is a phenyl group.
4. The phenyl-substituted anthracene derivative according to claim 1 , wherein Ar 11 is a substituted or unsubstituted 2,6-naphthalenediyl group.
5. The phenyl-substituted anthracene derivative according to claim 1 , wherein Ar 11 is an unsubstituted 2,6-naphthalenediyl group.
6. The phenyl-substituted anthracene derivative according to claim 1 , wherein Ar 11 is an unsubstituted 2-dibenzofuranyl group.
7. The phenyl-substituted anthracene derivative according to claim 1 , wherein Ar 11 is an unsubstituted 2,6-naphthalenediyl group, and Ar 12 is an unsubstituted 2-dibenzofuranyl group.
8. An organic electroluminescence device comprising an anode and a cathode, and one or more organic thin film layers including an emitting layer between the anode and the cathode,
the emitting layer comprising the phenyl-substituted anthracene derivative according to claim 1 .