Organic electroluminescent element

An organic electroluminescent device comprising one or more light emitting layers between an anode and a cathode opposite to each other, wherein at least one of the light emitting layers comprises one or more hosts selected from the compounds represented by the following general formula (1) and, as a light emitting dopant, a polycyclic aromatic compound represented by the following general formula (2) or a polycyclic aromatic compound having a structure represented by the general formula (2) as a substructure:

• wherein Z is an indolocarbazole ring-containing group represented by the general formula (1a),
• * is a bonding site to L1, and the ring A is a heterocyclic ring represented by formula (1b), and the ring A is condensed with an adjacent ring at an arbitrary position,
• L1 and L2 are each independently a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms, or a substituted or unsubstituted aromatic heterocyclic group having 3 to 17 carbon atoms,
• Ar1 and Ar2 are each independently a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms, a substituted or unsubstituted aromatic heterocyclic group having 3 to 17 carbon atoms, or a linked aromatic group formed by linking 2 to 8 groups thereof,
• R1 is each independently an aliphatic hydrocarbon group having 1 to 10 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group having 6 to 18 carbon atoms, or a substituted or unsubstituted aromatic heterocyclic group having 3 to 17 carbon atoms, and
• a represents an integer of 1 to 3, b represents an integer of 0 to 3, and c and d each independently represent an integer of 0 to 4, e represents an integer of 0 to 2, and f represents an integer of 0 to 3;
• wherein the C ring, the D ring, and the E ring are each independently an aromatic hydrocarbon ring having 6 to 24 carbon atoms or an aromatic heterocyclic ring having 3 to 17 carbon atoms, and
• Y1 is B, P, P═O, P═S, Al, Ga, As, Si—R2 or Ge—R3,
• R2 and R3 are each independently an aliphatic hydrocarbon group having 1 to 10 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group having 6 to 18 carbon atoms, or a substituted or unsubstituted aromatic heterocyclic group having 3 to 17 carbon atoms,
• X1 is each independently O, N—Ar3, S or Se, and
• Ar3 is each independently a substituted or unsubstituted aromatic hydrocarbon group having 6 to 18 carbon atoms, a substituted or unsubstituted aromatic heterocyclic group having 3 to 17 carbon atoms, or a linked aromatic group formed by linking 2 to 8 groups thereof, N—Ar3 is optionally bonded to any of the C ring, the D ring, or the E ring to form a heterocyclic ring containing N, and
• at least one hydrogen in the C ring, the D ring, the E ring, R2, R3, R6 and Ar3 is optionally replaced with a halogen or deuterium,
• R6 each independently represents a cyano group, deuterium, a diarylamino group having 12 to 44 carbon atoms, an arylheteroarylamino group having 12 to 44 carbon atoms, a diheteroarylamino group having 12 to 44 carbon atoms, an aliphatic hydrocarbon group having 1 to 10 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group having 6 to 18 carbon atoms, or a substituted or unsubstituted aromatic heterocyclic group having 3 to 17 carbon atoms, and
• v each independently represents an integer of 0 to 4, and x represents an integer of 0 to 3,
• wherein the polycyclic aromatic compound having the structure represented by the general formula (2) as a substructure is a polycyclic aromatic compound represented by the general formula (3) below:
• wherein the F ring, the G ring, the H ring, the I ring, and the J ring are each independently a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 24 carbon atoms or a substituted or unsubstituted aromatic heterocyclic ring having 3 to 17 carbon atoms,
• Y2 has the same meaning as Y1 in the general formula (2),
• X2 has the same meaning as X1 in the general formula (2), and
• at least one hydrogen in the F ring, the G ring, the H ring, the I ring, and the J ring is optionally replaced with a halogen or deuterium,
• R6, x, and v are as defined in the general formula (2),
• w represents an integer of 0 to 4, y represents an integer of 0 to 3, and z represents an integer of 0 to 2.