| 摘要 |
The present invention relates to a dinaphthyl ethylene derivative of formula (I), a process for preparing it, a film prepared from it useful in the manufacture of an organic light emitting device (OLED), an OLED including the film, and the use of the dinaphthyl ethylene derivative in the manufacture of an OLED. Wherein R1 to R16 are defined as in the specification. |
