Non-platinum metal complexes for excimer based single dopant white organic light emitting diodes

Patent metadata

Field	Value
Publication number	US-10793546-B2
Application number	US-201515503690-A
Country	US
Kind code	B2
Filing date	Aug 14, 2015
Priority date	Aug 15, 2014
Publication date	Oct 6, 2020
Grant date	Oct 6, 2020

Abstract

Complexes and devices, such as organic light emitting devices and full color displays, including a compound of the formula wherein: M is Pd 2+ , Ir + , Rh + , or Au 3+ ; each of V 1 , V 2 , V 3 , and V 4 is coordinated to M and is independently N, C, P, B, or Si; each of L 1 , L 2 , L 3 , and L 4 is independently a substituted or unsubstituted aryl, cycloalkyl, cycloalkenyl, heterocyclyl, heteroaryl, carbene, or N-heterocyclic carbene; and Z is O, S, NR, CR 2 , SiR 2 , BR, PR, where each R is independently substituted or unsubstituted C1-C4 alkyl or substituted or unsubstituted aryl.

First claim

What is claimed is:

1. A compound of General Formula I:

wherein:
M is Pd 2+ , Ir + , or Rh + ;
each of V 1 , V 2 , V 3 , and V 4 is coordinated to M and is independently N, C, P, B, or Si, wherein at least one of V 1 and V 2 is C;
each of L 1 , L 2 , L 3 , and L 4 is a six-membered ring and is independently a substituted or unsubstituted aryl, cycloalkyl, cycloalkenyl, heterocyclyl, heteroaryl, carbene, or N-heterocyclic carbene; and
Z is O, S, NR, CR 2 , SiR 2 , BR, PR,

where each R is independently substituted or unsubstituted C 1 -C 4 alkyl or substituted or unsubstituted aryl.

2. The compound of claim 1 , wherein the compound has one of the following structures:

3. A light emitting device comprising the compound of claim 1 .

4. An OLED device comprising the compound of claim 1 .

5. The OLED device of claim 4 , wherein the device is a phosphorescent OLED device.

6. A photovoltaic device comprising the compound of claim 1 .

7. A luminescent display device comprising the compound claim 1 .

8. The compound of claim 1 , wherein at least one of V 3 and V 4 is C.

9. A compound of General Formula I:

wherein:
M is Pd 2+ ;
each of V 1 and V 2 is N;
each of V 3 and V 4 is C;
each of L 1 , L 2 , L 3 , and L 4 is a six-membered ring and is independently a substituted or unsubstituted aryl, cycloalkyl, cycloalkenyl, heterocyclyl, heteroaryl, carbene, or N-heterocyclic carbene; and
Z is BR, PR,

where each R is independently substituted or unsubstituted C 1 -C 4 alkyl or substituted or unsubstituted aryl.

10. The compound of claim 9 , wherein the compound has one of the following structures:

11. A compound of General Formula I:

wherein:
M is Pd 2+ , Ir k , Rh + , or Au 3+ ;
each of V 1 and V 2 is N;
each of V 3 and V 4 is C;
each of L 1 , L 2 , L 3 , and L 4 is a six-membered ring and is independently a substituted or unsubstituted aryl, cycloalkyl, cycloalkenyl, heterocyclyl, heteroaryl, carbene, or N-heterocyclic carbene; and
Z is CR 2 or SiR 2 , where R 2 represents a biphenyl group, and each of CR 2 and SiR 2 represents a fluorenyl group.

12. The compound of claim 11 , wherein the compound has one of the following structures:

13. A compound of General Formula I:

wherein:
M is Pd 2+ , Ir k , Rh + , or Au 3+ ;
V 1 and V 2 are coordinated to M and are each independently N, C, P, B, or Si, wherein at least one of V 1 and V 2 is C;
V 3 and V 4 are coordinated to M and are each N;
each of L 1 , L 2 , L 3 , and L 4 is a six-membered ring and is independently a substituted or unsubstituted aryl, cycloalkyl, cycloalkenyl, heterocyclyl, heteroaryl, carbene, or N-heterocyclic carbene; and
Z is O, S, NR, CR 2 , SiR 2 , BR, PR,

where each R is independently substituted or unsubstituted C 1 -C 4 alkyl or substituted or unsubstituted aryl.

14. A light emitting device comprising the compound of claim 13 .

15. An OLED device comprising the compound of claim 13 .

16. The OLED device of claim 15 , wherein the device is a phosphorescent OLED device.

17. A photovoltaic device comprising the compound of claim 13 .

18. A luminescent display device comprising the compound claim 13 .

Assignees

• Univ Arizona State

Inventors

• Li Jian
• Huang Liang
• Fleetham Tyler

Classifications

• H10K59/10

  OLED displays · CPC title

• C09K2211/1096

  containing other heteroatoms · CPC title

• C07F9/5045

  Complexes or chelates of phosphines with metallic compounds or metals · CPC title

• C07F7/0803

  Compounds with Si-C or Si-Si linkages · CPC title

• C09K2211/1029

  containing one nitrogen atom as the heteroatom · CPC title