Organic electroluminescent material and organic electroluminescent device including the same

An organic electroluminescent (EL) device, comprising:

• an anode;
• a cathode;
• an emission layer between the anode and the cathode;
• and
• a plurality of layers between the emission layer and the anode, at least one layer selected from the plurality of layers comprising a material for an organic EL device,
• wherein the material is represented by General Formula (1):
• wherein in General Formula (1),
• X is selected from an oxygen atom, a sulfur atom, CR12R13, SiR14R15 and NR16,
• R1 to R16 are each independently selected from a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, a substituted or unsubstituted heteroaryl group having 1 to 30 carbon atoms for forming a ring, an alkyl group having 1 to 15 carbon atoms, a silyl group, a halogen atom, a hydrogen atom and a deuterium atom,
• L is selected from a direct linkage, a substituted or unsubstituted arylene group having 6 to 30 carbon atoms for forming a ring, a substituted or unsubstituted heteroarylene group having 1 to 30 carbon atoms for forming a ring and a divalent silyl group, and
• Ar is selected from a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring and a substituted or unsubstituted heteroaryl group having 1 to 30 carbon atoms for forming a ring.