| abstract |
An organic electroluminescent device having a light emitting layer containing a polycyclic aromatic compound represented by the following general formula (1) as a host as a first component and a polycyclic aromatic compound containing boron as a dopant as a second component, light emission characteristics, etc. The organic EL properties are excellent. (In the formula (1), R 1 to R 11 are each independently hydrogen, aryl, heteroaryl, diarylamino, diaryl boryl (two aryls may be bonded through a single bond or a linking group), Alkyl, cycloalkyl, alkoxy or aryloxy, and at least one hydrogen in the aryl, heteroaryl, and diarylamino may be substituted with aryl, heteroaryl, alkyl or cycloalkyl, and formula (1) At least one hydrogen in the compound represented by may be substituted with cyano, halogen or deuterium.) |