Phosphorescent tetradentate metal complexes having modified emission spectra

• US 9,673,409 B2
• Filed: 06/10/2014
• Issued: 06/06/2017
• Est. Priority Date: 06/10/2013
• Status: Active Grant

• Current Assignee: Universal Display Corporation, Arizona Board of Regents (University of Arizona)
• Original Assignee: Universal Display Corporation, Arizona Board of Regents (University of Arizona)
• Inventors: Li, Guijie, Li, Jian, Brooks, Jason
• Primary Examiner(s): MCDOWELL, BRIAN E
• Application Number:
  US14/300,832
• Publication Number:
  US 20140364605A1
• Time in Patent Office: 1,092 Days
• CPC Class Codes: A61K 31/4427 containing further heterocyclic ring systems
• CPC Class Codes: C07F 15/0086 Platinum compounds
• CPC Class Codes: C09K 11/06 containing organic luminescent materials
• CPC Class Codes: C09K 2211/1007 Non-condensed systems
• CPC Class Codes: C09K 2211/1029 containing one nitrogen atom as the heteroatom
• 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
• CPC Class Codes: Y02E 10/549 Organic PV cells

Abstract

Multidentate metal complexes useful as phosphorescent emitters in display and lighting applications having the following structures:

Claims

1. A composition comprising one or more compounds of the formula:

2. The composition of claim 1, wherein the polymeric group comprises a polyalkylene, a polyether, or a polyester.

3. The composition of claim 1, wherein the each of the one or more compounds has a neutral charge.

6. A device comprising the composition of claim 1.

7. The device of claim 6, wherein the device comprises a full color display.

8. The device of claim 6, wherein the device is a photovoltaic device.

9. The device of claim 6, wherein the device is a luminescent display device.

10. The device of claim 6, wherein the device comprises an organic light emitting diode (OLED).

11. The device of claim 10, wherein the device comprises a phosphorescent organic light emitting diode.

12. The device of claim 10, wherein the device is a phosphorescent organic light emitting diode.

13. A light emitting device comprising the composition of claim 1.

15. The composition of claim 1, wherein R^a represents mono- or di-substitution, and each independently represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group.

16. The composition of claim 1, wherein R^a represents mono-substitution and represents an unsubstituted aryl group;

or R^a represents di-substitution and each R^a represents an unsubstituted alkyl group.

17. The composition of claim 1, wherein R^b represents mono-substitution and represents an unsubstituted alkyl group.

18. The composition of claim 1, wherein R¹, R², R³, R⁴, R⁵, R⁶, R⁷, R⁸, R⁹, and R¹⁰ each independently represents hydrogen, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted haloalkyl group, a substituted or unsubstituted aryl group, a mono- or dialkylamino group, a substituted or unsubstituted alkoxy group, or a substituted or unsubstituted heteroaryl group.

4. A composition comprising one or more of the following compounds:

14. A light emitting device comprising the composition of claim 4.

19. A device comprising the composition of claim 4.

5. A composition comprising one or more of the following compounds:

20. A device comprising the composition of claim 5.