A benzo[k]fluoranthene derivative represented by the following formula (1):
wherein R1 to R12 are as defined in the specification. The benzo[k]fluoranthene derivative represented by the formula (1) reduces a driving voltage of an organic electroluminescence device and makes it possible to realize light emission with high efficiency and long lifetime.
一种由以下式子(1)表示的苯并[k]
芴衍
生物:其中R1到R12在说明书中定义。由式(1)表示的苯并[k]
芴衍
生物降低了有机电致发光器件的驱动电压,使得实现高效率和长寿命的发光成为可能。