| abstract |
The present invention provides a compound represented by the general formula (I), and an organic electroluminescence device using the compound of the general formula alone or as a mixed component as a light-emitting layer material. Ar in the general formula is selected from C 6 -C 50 substituted or unsubstituted aryl groups, C 6 -C 50 substituted or unsubstituted condensed aromatic hydrocarbon groups, C 4 -C 50 substituted or unsubstituted hetero Aryl, C 4 ~ C 50 substituted or unsubstituted condensed heterocyclic aromatic hydrocarbon groups; the above-mentioned heteroaryl and condensed heterocyclic aromatic hydrocarbon groups contain one or more selected from B, N, O, S, P ( =O), heteroatoms of Si and P, and a monocyclic or condensed ring aryl group with 4 to 50 ring carbon atoms; n is 1 or 2; when n=2, L is selected from the following formulas A, B, C Or the structure shown in D: When n=1, L is selected from the structure shown in the following formula E or F: The organic electroluminescent device of the invention has the outstanding advantages of high luminous efficiency and high color purity. |