Tetradentate platinum (II) and palladium (II) complexes and octahedral iridium complexes employing azepine functional groups and their analogues

• US 10,566,554 B2
• Filed: 12/07/2018
• Issued: 02/18/2020
• Est. Priority Date: 08/22/2016
• 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
• Primary Examiner(s): Ward, Paul V
• Application Number:
  US16/213,657
• Publication Number:
  US 20190109288A1
• Time in Patent Office: 438 Days
• Field of Search: None
• CPC Class Codes: C07F 15/0033 Iridium compounds
• CPC Class Codes: C07F 15/006 Palladium compounds
• 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 2211/1044 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: H05B 33/14 characterised by the chemical or physical composition or the arrangement of the electroluminescent material , or by the simultaneous addition of the electroluminescent material in or onto the light source
• 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 85/341 Transition metal complexes, e.g. Ru(II)polypyridine complexes H10K85/331 takes precedence
• CPC Class Codes: H10K 85/342 comprising iridium
• CPC Class Codes: H10K 85/346 comprising platinum
• CPC Class Codes: Y02E 10/549 Organic PV cells

Abstract

Platinum (II) and palladium (II) complexes of Formulas A and B and iridium (III) complexes of Formula C having azepine functional groups and their analogues as emitters for full color displays and lighting applications.

Claims

1. A complex of Formula C:

2. The complex of claim 1, represented by one of the following structures:

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

4. An organic light emitting device comprising the complex of claim 1.

5. The organic light emitting device of claim 4, wherein the device is a phosphorescent organic light emitting device.

6. A photovoltaic device comprising the complex of claim 1.

7. A luminescent display device comprising the complex of claim 1.