PLATINUM COMPLEXES AND DEVICES

• US 20150105556A1
• Filed: 10/14/2014
• Published: 04/16/2015
• Est. Priority Date: 10/14/2013
• Status: Active Grant

• Current Assignee: Universal Display Corporation, Arizona Board of Regents (University of Arizona)
• Original Assignee: Arizona Board of Regents (University of Arizona)
• Inventors: Li, Jian, Li, Guijie, Brooks, Jason
• Granted Patent: US 9,385,329 B2
• Time in Patent Office: Days
• US Class Current: 546/4
• 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 2211/1022 bridged by heteroatoms, e.g. N, P, Si or B
• 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 30/00 Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation integrated devices or assemblies of multiple devices H10K39/00, H10K65/00; electrolytic light-sensitive devices H01G9/20
• CPC Class Codes: H10K 30/50 Photovoltaic [PV] devices
• 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

Platinum compounds of Formulas I and II useful in a variety of devices, such as, for example organic-light emitting diodes (OLEDs).

Claims

1. A compound of Formula I or Formula II:

2. The compound of claim 1, wherein the compound has the structure of Formula IA, Formula IIA, Formula IIB:

3. The compound of claim 1, wherein the compound has a neutral charge.

4. The compound of claim 1, wherein the compound is represented by one of Formulas I1-I15 or Formulas II1-II15:

5. The compound of claim 1, wherein the compound is represented by one of symmetrical Formulas I16 and II16 or asymmetrical Formulas I17-I28 and II17-II28:

6. The compound of claim 4, wherein each of (also denoted as Z, Z¹, and Z² herein) is independently:

7. The compound of claim 1, wherein each of the five-membered heterocyclyl

8. The compound of claim 1, wherein each of

9. The compound of claim 1, wherein each of

10. The compound of claim 1, wherein each of R^a is independently selected from the following:

11. The compound of claim 1, wherein the compound is selected from one of the following structures:

12. The compound of claim 1, wherein the compound is selected from one of the following structures:

13. A composition comprising one or more compounds of claim 1.

14. An emitter comprising one or more compounds of claim 1, wherein the emitter is a phosphorescent emitter, a delayed fluorescent emitter, or a combination thereof.

15. A device comprising one or more compounds of claim 1.

16. The device of claim 15, wherein the device comprises an organic light emitting diode.

17. The device of claim 15, wherein the device comprises a full color display.

18. The device of claim 15, wherein the device comprises a phosphorescent OLED device.

19. The device of claim 15, wherein the device comprises a fluorescent OLED device.

20. A photovoltaic device comprising one or more compounds of claim 1.

21. A luminescent display device comprising one or more compounds of claim 1.

22. A light emitting device comprising one or more compounds of claim 1.