Platinum complexes and devices

• US 10,566,553 B2
• Filed: 04/06/2018
• Issued: 02/18/2020
• 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
• Primary Examiner(s): Carcanague, Daniel R
• Application Number:
  US15/947,273
• Publication Number:
  US 20180301641A1
• Time in Patent Office: 683 Days
• Field of Search: 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 I9, I11, II9, or II11:

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

3. The compound of claim 1, wherein (also denoted as Z herein) is:

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

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

8. 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.

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

10. The device of claim 9, wherein the device comprises an organic light emitting diode.

11. The device of claim 9, wherein the device comprises a full color display.

12. The device of claim 9, wherein the device comprises a phosphorescent OLED device.

13. The device of claim 9, wherein the device comprises a fluorescent OLED device.

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

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

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

5. A compound selected from one of the following structures:

6. A compound selected from one of the following structures: