申请人:Universal Display Corporation
公开号:US20190153009A1
公开(公告)日:2019-05-23
A compound comprising a tridentate ligand L
A
selected from Formula I. The ligand L
A
is complexed to a metal M.
wherein
Z
1
and Z
2
are independently C or N, wherein if Z
1
is C, then Z
2
is N, or if Z
1
is N then Z
2
is C;
X
1
, X
2
, X
3
, and X
4
are independently selected from CR
1
or N, and R
1
can be the same or different for each of X
1
, X
2
, X
3
, and X
4
;
X
5
, X
6
, and X
7
are independently selected from CR
2
or N, and R
2
can be the same or different for each of X
5
, X
6
, and X
7
;
X
8
is independently selected from CR
3
or N; and
Y is selected from CR
Y
or N, and R
Y
is selected from hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, cycloalkenyl, heteroalkenyl, aryl, heteroaryl, nitrile, and combinations thereof, or optionally, R
Y
can form a ring with R
3
.
An OLED that includes an anode, a cathode, and an organic layer disposed between the anode and the cathode. The organic layer will include a compound of Formula I, and a consumer product that includes the OLED.
一种化合物,包括从式I中选择的三牙配体LA。配体LA与金属M形成络合物。其中Z1和Z2独立地为C或N,如果Z1为C,则Z2为N,或者如果Z1为N,则Z2为C;X1、X2、X3和X4独立地选择自CR1或N,并且R1可以对于X1、X2、X3和X4中的每个都相同或不同;X5、X6和X7独立地选择自CR2或N,并且R2可以对于X5、X6和X7中的每个都相同或不同;X8独立地选择自CR3或N;Y选择自CRY或N,RY选择自氢、氘、卤素、烷基、环烷基、杂原子烷基、环烯基、杂原子烯基、芳基、杂原子芳基、腈基和它们的组合,或者可选地,RY可以与R3形成环。一种OLED,包括阳极、阴极和位于阳极和阴极之间的有机层。有机层将包括式I的化合物,以及包括OLED的消费产品。