| 摘要 |
PROBLEM TO BE SOLVED: To provide an organic electroluminescent element with high luminous efficiency, a sharp spectrum and excellent blue chromatic purity.SOLUTION: An organic electroluminescent element includes: a substrate; a pair of electrodes including an anode and a cathode; and organic layers including a light emitting layer and disposed between the electrodes, the organic layers including a compound represented by the specified formula, where: Rto Reach represent a hydrogen atom or a substituent; either a set of Rand Ror a set of Rand Rcooperatively represents one of divalent substituents represented by the formulas a-e to form a ring; Rto Reach represents an alkyl group or an aryl group; Xto Xeach represent a carbon atom or a nitrogen atom; and the symbol "*" represents a binding site of Xand X, or Xand X. |
