abstract |
Disclosed is an organic light-emitting medium containing a diaminopyrene derivative represented by formula (1) and an anthracene derivative represented by formula (2). (In formula (2), two of the R1-R8 respectively represent a substituted or unsubstituted aryl group having 6-50 nuclear carbon atoms or a substituted or unsubstituted heterocyclic group having 5-50 nuclear atoms.) |