申请人:Universal Display Corporation
公开号:US20200255464A1
公开(公告)日:2020-08-13
A compound comprising a hexadentate ligand of Formula I coordinated to a metal selected from the group consisting of iridium, rhodium, and osmium
wherein
rings A, D, and E are independently a 5-membered or 6-membered heteroaryl ring, or a 6-membered aryl ring;
rings B, C, and F are independently 6-membered heteroaryl ring, or a 6-membered aryl ring;
T
1
, T
2
, T
3
, T
4
, T
5
, and T
6
are independently selected from C or N, wherein two to four of T
1
to T
6
are C, and two to four of T
1
to T
6
are N;
Z
1
, Z
2
, Z
3
, and Z
4
are independently selected from C or N, wherein if Z
1
and Z
2
are each N then T
1
is a carbene carbon and two of T
2
to T
6
are N;
J
1
to J
11
are independently selected from C or N, wherein if any one of J
1
to J
4
is N then ring F has no more than three N, if any one of J
5
to J
7
is N then ring B has no more than three N, or if any one of J
8
to J
11
is N then is N then ring C has no more than three N;
Y
1
is selected from the group consisting of CR
1
, SiR
1
, B, or N;
Y
2
is selected from the group consisting of CR
2
, SiR
2
, B, or N;
W
1
is selected from the group consisting of a direct bond, O, S, CR
3
R
4
, SiR
3
R
4
, BR
3
, and NR
N1
;
W
2
is selected from the group consisting of a direct bond, O, S, CR
3
R
4
, SiR
3
R
4
, BR
3
, and NR
N2
;
W
3
is selected from the group consisting of a direct bond, O, S, CR
3
R
4
, SiR
3
R
4
, BR
3
, and NR
N3
;
R
N1
, R
N2
, and R
N3
are independently selected from the group consisting of hydrogen, deuterium, alkyl, aryl, and combinations thereof; wherein R
N1
optionally joins with ring A or a J
5
carbon of ring B to form a fused ring R
N2
optionally joins with a J
7
carbon of ring B or a J
8
carbon of ring C to form a fused ring, and R
N3
optionally joins with ring A or a J
1
carbon of ring J
3
to form a fused ring;
R
1
, R
2
, R
3
, and R
4
are independently hydrogen or a substituent selected from the group consisting of deuterium, fluorine, alkyl, cycloalkyl, aryl, heteroaryl, nitrile, sulfanyl, and combinations thereof; wherein any of R
1
, R
2
, R
3
, and R
4
optionally joins with any of Ring A, Ring D, Ring E, or a J
1
-J
11
carbon to form a fused ring;
R
A
to R
F
independently represent mono to the maximum allowable substitution, or no substitution;
each R
A
to R
F
is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof, and any two adjacent substituents R
A
to R
F
are optionally joined to form a fused ring.
化合物包括
配体的配方I与从
铱、
铑和
锇中选择的
金属配位,其中环A、D和E分别是5-成员或6-成员的杂芳环,或6-成员的芳基环;环B、C和F分别是6-成员的杂芳环,或6-成员的芳基环;T1、T2、T3、T4、T5和T6分别选择自C或N,其中T1到T6中的两到四个是C,T1到T6中的两到四个是N;Z1、Z2、Z3和Z4分别选择自C或N,如果Z1和Z2各为N,则T1是卡宾碳,T2到T6中的两个是N;J1到J11分别选择自C或N,如果J1到J4中的任何一个是N,则环F中的N不超过三个,如果J5到J7中的任何一个是N,则环B中的N不超过三个,或者如果J8到J11中的任何一个是N,则环C中的N不超过三个;Y1选择自CR1、SiR1、B或N;Y2选择自CR2、SiR2、B或N;W1选择自直接键、O、S、CR3R4、SiR3R4、BR3和NRN1的组合;W2选择自直接键、O、S、CR3R4、SiR3R4、BR3和NRN2的组合;W3选择自直接键、O、S、CR3R4、SiR3R4、BR3和NRN3的组合;RN1、RN2和RN3分别选择自氢、
氘、烷基、芳基及其组合;其中RN1可选择与环A或环B的J5碳形成融合环,RN2可选择与环B的J7碳或环C的J8碳形成融合环,RN3可选择与环A或环J3的J1碳形成融合环;R1、R2、R3和R4分别为氢或从
氘、
氟、烷基、环烷基、芳基、杂芳基、腈、
硫醚基及其组合中选择的取代基;其中R1、R2、R3和R4中的任何一个可选择与环A、环D、环E或J1-J11碳中的任何一个形成融合环;RA到RF独立表示单个到最大允许的取代基,或无取代;每个RA到RF独立地为氢或从
氘、卤素、烷基、环烷基、杂环烷基、芳基烷基、烷氧基、芳氧基、
氨基、
硅基、烯基、环烯基、杂烯基、炔基、芳基、杂芳基、酰基、
羧酸基、醚、酯、腈、异腈、
硫醚基、亚
硫醚基、磺酰基、膦基及其组合中选择的取代基,任何两个相邻的取代基RA到RF可选择结合形成融合环。