| abstract |
The present invention provides an organic EL device having one layer or a plurality of organic layers including a light emitting layer between a pair of electrodes, wherein at least one layer of the organic layer is a compound represented by the following general formula (1) alone or It is configured to contain as a mixture.n n n n n n n n Herein, R 1 to R 4 are selected from hydrogen, an alkyl group, a cycloalkyl group, an alkoxy group, a cycloalkoxy group, and an aryloxy group, and may be the same or different groups, and A 1 to A 4 are substituted or unsubstituted. It is selected from a phenyl group, a 5 or 6 membered substituted or unsubstituted heterocyclic group, and can be the same or different group. |