Multidentate dinuclear cyclometallated complexes containing N^C^C^N—N^C^C^N ligand
Disclosed herein are multidentate dinuclear cyclometallated complexes. The complexes are suitable as emitting materials or host materials in OLED devices.
1. A compound of Formula I:
wherein each of M 1 and M 2 is independently a platinum or palladium;
wherein each of L 1 and L 2 is independently heteroaryl ring;
wherein V 1 , V 2 , V 3 , V 4 , V 5 , V 6 , V 7 and V 8 are coordinated with M 1 or M 2 ; wherein V 1 , V 4 , V 5 and V 8 are N; V 2 , V 3 , V 6 and V 7 are C;
wherein each of A 1 and A 2 is independently an O;
wherein each of X 1 and X 2 is independently a N;
wherein each of Y 1 , Y 2 and Y 3 is independently a hydrogen;
wherein each of R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 and R 8 is independently a hydrogen.
2. The compound of claim 1 , wherein the compound has a neutral charge.
3. A device comprising the compound of claim 1 .
4. The device of claim 3 , wherein the device comprises a full color display.
5. The device of claim 3 , wherein the device is a photovoltaic device.
6. The device of claim 3 , wherein the device is a luminescent display device.
7. The device of claim 3 , wherein the device comprises an organic light emitting diode (OLED).
8. The device of claim 3 , wherein the device comprises a phosphorescent organic light emitting diode.
9. The device of claim 3 , wherein the device is a phosphorescent organic light emitting diode.
10. A light emitting device comprising the compound of claim 1 .
11. The device of claim 3 , wherein the compound is selected to have 100% internal quantum efficiency in the device settings.