Aromatic amine derivative, and organic electroluminescent element comprising the same

A composition comprising:

• an aromatic amine derivative represented by the following formula (Al), and pyrene derivative represented by the following formula (6):
• wherein
• R101 to R108 are independently a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 10 carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 30 carbon atoms, a substituted or unsubstituted arylsilyl group having 8 to 30 ring carbon atoms or a cyano group, and
• Ar101 to Ar108 are independently a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms or a substituted or unsubstituted heterocyclic group having 5 to 30 ring atoms,
• provided that at least one of Ar101 to Ar104 a heterocyclic group represented by the following formula (A2):
• wherein
• R111 to R117 are independently a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted alkenyl group having 2 to 20 carbon atoms, a substituted or unsubstituted alkynyl group having 2 to 20 carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 30 carbon atoms, a substituted or unsubstituted arylsilyl group having 8 to 30 ring carbon atoms, a cyano group, a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms or a substituted or unsubstituted heterocyclic group having 5 to 20 ring atoms,
• adjacent substituents of R111 to R117 may be bonded to each other to form a saturated or unsaturated ring, and
• X101 is an oxygen atom or a sulfur atom;
• wherein
• Ar111 and Ar222 are independently a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms;
• L1 and L2 are independently a substituted or unsubstituted divalent aryl group having 6 to 30 ring carbon atoms or a heterocyclic group;
• m is an integer of 0 to 1, n is an integer of 1 to 4, s is an integer of 0 to 1, and t is an integer of 0 to 3;
• and
• L1 or Ar111 bonds to any position of the 1st to 5th positions of pyrene, and L2 or Ar222 bonds to any position of the 6th to 10th positions of pyrene.