Tridentate cyclometalated metal complexes with six-membered coordination rings

• US 10,411,202 B2
• Filed: 05/25/2018
• Issued: 09/10/2019
• Est. Priority Date: 07/28/2014
• 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): Carcanague, Daniel R
• Application Number:
  US15/989,356
• Publication Number:
  US 20180277777A1
• Time in Patent Office: 473 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 2211/1029 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 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

Tridentate cyclometalated complexes with rigid six-membered coordination rings of General Formula I having tunable emission wavelengths in the visible range. These emitters are suitable for full color displays and lighting applications.

Claims

1. A complex represented by Formula 5:

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

3. The complex of claim 1, wherein the complex is represented by one of the following structures:

4. The complex of claim 1, wherein the complex is represented by one of the following structures:

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

6. An OLED device comprising the complex of claim 1.

7. The OLED device of claim 6, wherein the device is a phosphorescent OLED device.

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

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