BIPYRIDINE-BASED COMPOUND AND ORGANIC LIGHT EMITTING DIODE EMPLOYING ORGANIC LAYER COMPRISING THE SAME
申请人:Kim Hee-Yeon
公开号:US20090256473A1
公开(公告)日:2009-10-15
The invention is directed to bipyridine-based compound and organic light emitting diodes (OLED) including organic layers having the bipyridine-based compound. OLEDs including organic layers having the bipyridine-based compounds can have low driving voltages, high current densities, high efficiencies and long lifetimes.
US9296695B2
申请人:——
公开号:US9296695B2
公开(公告)日:2016-03-29
Bipyridine-based compound and organic light emitting diode employing organic layer comprising the same