Polyaryl spirobifluorene and application thereof in organic electroluminescent device

The invention relates to the field of organic electroluminescent materials, in particular to a novel structure of 1, 3-diaryl spirobifluorene, 1, 6-diaryl spirobifluorene, 1, 3, 6-triaryl spirobifluorene, 1, 3, 7-triaryl spirobifluorene and 1, 3, 6, 8-tetraaryl spirobifluorene and application of the material in an organic electroluminescent display device. The structural formula of the 1, 3-diaryl spirobifluorene, the 1, 6-diaryl spirobifluorene, the 1, 3, 6-triaryl spirobifluorene, the 1, 3, 6-triaryl spirobifluorene and the 1, 3, 6, 8-tetraaryl spirobifluorene derivative is shown as a formula I. The invention provides a preparation method of a polyaryl spirobifluorene electroluminescent main body material molecule and application of the polyaryl spirobifluorene electroluminescent main body material molecule as a main body material to manufacture an organic electroluminescent device. 本发明涉及有机电致发光材料领域，尤其涉及一种新型的1,3-二芳基螺二芴、1,6-二芳基螺二芴、1,3,6-三芳基螺二芴、1,3,7-三芳基螺二芴、1,3,6,8-四芳基螺二芴的结构以及该材料在有机电致发光显示装置中的应用。所述的1,3-二芳基螺二芴、1