| abstract |
An organic electroluminescent device comprising a substrate, a pair of electrodes disposed on the substrate, the pair of electrodes including an anode and a cathode, and an organic layer disposed between the electrodes, wherein the organic layer comprises an organic electroluminescent material containing a phosphorescent material and a compound represented by the following formula (Wherein X 101 represents an oxygen atom or a sulfur atom, and R 101 to R 110 represent a hydrogen atom or a substituent (excluding an alkyl group and a cyano group) And a plurality of R 108 to R 110 may be the same or different, and L 101 represents a single bond or an arylene group. |