abstract |
The invention relates to the field of display materials, in particular to a biindole material, an organic electroluminescent device and a display device. Compound according to the present invention is shown in formula (1): The compound provided by the invention is used as a hole-transporting material or a dye of an organic electroluminescent device, which improves the luminous efficiency of the organic electroluminescent device and reduces the driving voltage of the organic electroluminescent device. |