Tetradentate Platinum (II) and Palladium (II) Complexes, Devices, and Uses Thereof

• US 20170040555A1
• Filed: 08/04/2016
• Published: 02/09/2017
• Est. Priority Date: 08/04/2015
• Status: Active Grant

• Current Assignee: Arizona Board of Regents (University of Arizona)
• Original Assignee: Arizona Board of Regents (University of Arizona)
• Inventors: Li, Jian, Zhu, Zhi-Qiang
• Granted Patent: US 10,158,091 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: C07F 15/0086 Platinum compounds
• CPC Class Codes: C09K 11/06 containing organic luminescent materials
• CPC Class Codes: C09K 2211/1022 bridged by heteroatoms, e.g. N, P, Si or B
• CPC Class Codes: C09K 2211/1029 containing one nitrogen atom as the heteroatom
• CPC Class Codes: C09K 2211/185 of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd
• CPC Class Codes: H10K 2101/10 Triplet emission
• CPC Class Codes: H10K 50/11 characterised by the electroluminescent [EL] layers
• CPC Class Codes: H10K 85/346 comprising platinum
• CPC Class Codes: H10K 85/761 Biomolecules or bio-macromolecules, e.g. proteins, chlorophyl, lipids or enzymes

Abstract

The complexes disclosed herein are cyclometalated metal complexes of Formula (I) that are useful for full color displays and lighting applications.

Claims

1. A complex of Formula I:

2. The complex of claim 1 having a formula selected from:

3. The complex of claim 1 having Formula IIa:

4. The complex of claim 1 having Formula IIIa:

5. The complex of claim 1 having Formula IIb:

6. The complex of claim 1 having Formula IIIb:

7. The complex of claim 1 having Formula IVb:

8. The complex of claim 1, wherein M is Pt.

9. The complex of claim 1, wherein R¹, R², R³ and R⁴ each independently represents hydrogen, halogen, hydroxy, amino, substituted or unsubstituted C₁-C₄ alkyl, or substituted or unsubstituted alkoxy.

10. The complex of claim 1, wherein R³ and R⁴ are each independently substituted or unsubstituted C₁-C₄ alkyl.

11. The complex of claim 1, wherein R¹ and R² are hydrogen.

12. The complex of claim 1, wherein R⁵, R⁶ and R⁷ each independently represents hydrogen, halogen, hydroxy, amino, substituted or unsubstituted C₁-C₄ alkyl, or substituted or unsubstituted alkoxy.

13. The complex of claim 1, wherein R⁵, R⁶, and R⁷ are hydrogen.

14. The complex of claim 1, wherein Y^1a is O.

15. The complex of claim 1, wherein Y^1b is N.

16. The complex of claim 1, wherein Y^1c is N.

17. The complex of claim 1, wherein Y^2a, Y^2c, Y^2b, and Y^2d are C.

18. The complex of claim 1, wherein Y^3d and Y^4d are N, and Y^3c and Y^4c are C.

20. A light emitting device comprising the complex of claim 1.

19. A complex which is