Synthesis of Platinum and Palladium Complexes as Narrow-Band Phosphorescent Emitters for Full Color Displays

• US 20170373260A1
• Filed: 07/03/2017
• Published: 12/28/2017
• Est. Priority Date: 05/26/2011
• Status: Active Grant

• Current Assignee: Arizona Board of Regents (University of Arizona)
• Original Assignee: Arizona Board of Regents (University of Arizona)
• Inventors: Li, Jian, Turner, Eric
• Granted Patent: US 10,804,476 B2
• Time in Patent Office: Days
• CPC Class Codes: C07F 15/0086 Platinum compounds
• CPC Class Codes: C09K 11/06 containing organic luminescent materials
• CPC Class Codes: C09K 2211/1044 containing two nitrogen atoms as heteroatoms
• 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

Abstract

Platinum and palladium complexes are disclosed that can be useful as narrow band phosphorescent emitters. Also disclosed are methods for preparing and using the platinum and palladium complexes.

Claims

1-3. -3. (canceled)

4. A complex having the formula:

5. The complex of claim 4, wherein

6. The complex of claim 4, wherein

15. The complex of claim 4, wherein M comprises platinum(II).

16. The complex of claim 4, wherein M comprises palladium(II).

20. The complex of claim 4, comprising a compound selected from:

24. The complex of claim 4 selected from:

25. The complex of claim 4 selected from:

26. The complex of claim 4 selected from:

28. The complex of claim 4, wherein

29. The complex of claim 4, wherein

30. The complex of claim 4, wherein

31. The complex of claim 4, wherein

32. The complex of claim 4, wherein

33. The complex of claim 4, wherein

34. The complex of claim 4, wherein

35. The complex of claim 4, wherein

7. (canceled)

8. A complex having the formula:

9-10. -10. (canceled)

11. A complex of the formula:

27. The complex of claim 11 selected from:

12-14. -14. (canceled)

17-19. -19. (canceled)

21-23. -23. (canceled)