| abstract |
The invention discloses a kind of have carrier transport ability, structure such as formula the OLED material shown in I, this OLED material improves the luminous efficiency of carrier transport efficiency and device, is a kind of OLED material of excellent performance.The invention also discloses the preparation method and application of this OLED material, its synthetic route is simple to operation, and reaction yield is higher, has good industrial prospect; Use organic electroluminescent LED prepared by this OLED material, can realize the effect of high brightness, high-level efficiency, low voltage, can effectively avoid screen dim spot, performance is more excellent. |