| abstract |
The invention provides an organic electroluminescent compound, an organic electroluminescent device and applications thereof. The structure of the organic electroluminescent compound of the present invention is as follows: Wherein, R 1 and R 4 are each independently hydrogen, deuterium, straight-chain or branched-chain alkyl of C1-C20, or phenyl, anilino, diphenylamino, 2-phenyl-3-amino Pyridyl, 3-aminodipyridyl, 2-phenyl-1-naphthylamino, 2-amino-dinaphthyl, 2-phenyl-1-aminononyl, 3-aminodiphenanthryl, 2 One of -phenyl-1-aminoanthracenyl, 2-aminodianthracenyl, phenanthryl, biphenyl, pyridyl, pyrimidinyl, or triazinyl; R 2 and R 3 are each independently Hydrogen, deuterium, straight chain or branched alkyl of C1～C20, or phenyl, pyridyl, naphthyl, phenanthryl, anthracenyl, phenanthridine, biphenyl, pyridyl, pyrimidyl, triazine base; l, m, n, o are each an integer of 0-4. |