申请人:Beers Scott
公开号:US20140021447A1
公开(公告)日:2014-01-23
Heteroleptic complexes having at least one diarylamino or carbazole group, as shown in Formula (I), are provided:
wherein R
1
, R
2
, R
3
, R
4
, R
5
, and R
6
each represent mono, di, tri, tetra, or penta substitutions or no substitution; wherein Z is a single bond connecting the two phenyl rings, or is absent, wherein when Z is absent, the positions on the phenyl rings may be substituted by R
5
or R
6
; wherein any two adjacent substituents are optionally joined together to form a ring, which may be further substituted; wherein each of R
1
, R
2
, R
3
, R
4
, R
5
, and R
6
is independently selected from various substituents; and wherein m is 1 or 2. Devices, such as organic light emitting devices (OLEDs) that comprise phosphorescent light emitting materials are also provided.
提供至少具有一个二芳胺基团或咔唑基团的异配位配合物,如公式(I)所示:其中R1、R2、R3、R4、R5和R6分别表示单、双、三、四或五个取代基或无取代基;其中Z是连接两个苯环的单键,或者不存在,当Z不存在时,苯环上的位置可能被R5或R6取代;其中任意两个相邻的取代基可以选择结合在一起形成一个环,该环可以进一步取代;其中R1、R2、R3、R4、R5和R6中的每一个都是独立选择的各种取代基;其中m为1或2。还提供包括磷光发射材料的器件,如有机发光器件(OLEDs)。