| abstract |
It is an object of the present invention to provide an organic electroluminescent device improved in luminous efficiency and stability under high temperature preservation. The organic electroluminescence device of the present invention is an organic electroluminescence device having an anode, a cathode, and at least one light-emitting layer sandwiched between the anode and the cathode, wherein at least one of the light- (1), wherein X 1 to X 9 each independently represent -CR or -OR 1 , and R 2 represents a hydrogen atom or an alkyl group, A nitrogen atom, R represents a hydrogen atom or a substituent, and Y 1 to Y 3 each independently represent an oxygen atom or a sulfur atom. |