申请人:MERCK PATENT GMBH
公开号:US20160226001A1
公开(公告)日:2016-08-04
The invention relates to an organic electroluminescent device (OLED) containing an emitting layer which contains a compound having a small difference between the S
1
and the T
1
energy levels and to another compound of formula (I) or (II).
本发明涉及一种有机电致发光器件(OLED),其包含一个发光层,该发光层含有一个具有S1和T1能级之间差异小的化合物,以及公式(I)或(II)的另一个化合物。