The invention relates to fluoranthene derivatives of the general formula (I)
in which R
1
, R
2
, R
3
and a are each defined according to the description, with the proviso that at least one of the R
1
or R
2
radicals is not hydrogen, to processes for their preparation and to the use of the fluoranthene derivatives as emitter molecules in organic light-emitting diodes (OLEDs), to a light-emitting layer comprising the inventive fluoranthene derivatives as emitter molecules, to an OLED comprising the inventive light-emitting layer and to devices comprising the inventive OLED.
本发明涉及通式(I)的
芴衍
生物,其中R1、R2、R3和a分别根据说明定义,但须至少有一个R1或R2基团不是氢,以及它们的制备方法和作为有机发光二极管(OLED)中发射分子的
芴衍
生物的用途,以及包含该创新
芴衍
生物作为发射分子的发光层、包含该创新发光层的OLED和包含该创新OLED的设备。