Tetradentate and octahedral metal complexes containing naphthyridinocarbazole and its analogues

• US 9,617,291 B2
• Filed: 11/17/2016
• Issued: 04/11/2017
• Est. Priority Date: 06/03/2015
• Status: Active Grant

• Current Assignee: Arizona Board of Regents (University of Arizona)
• Original Assignee: Arizona Board of Regents (University of Arizona)
• Inventors: Li, Jian, Li, Guijie
• Primary Examiner(s): Aulakh, Charanjit
• Application Number:
  US15/354,280
• Publication Number:
  US 20170066792A1
• Time in Patent Office: 145 Days
• Field of Search: 546 10, 313504, 313502, 544 64, 544225
• 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 2211/1007 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 2101/27 Combination of fluorescent and phosphorescent emission
• 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: H10K 85/40 Organosilicon compounds, e.g. TIPS pentacene
• CPC Class Codes: Y02E 10/549 Organic PV cells

Abstract

Tetradentate and octahedral metal complexes suitable for use as phosphorescent or delayed fluorescent and phosphorescent emitters in display and lighting applications.

Claims

1. A complex of Formula BI, Formula BII, Formula BIII, or Formula BIV:

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

3. An emitter comprising the complex of claim 1, wherein the emitter is a phosphorescent emitter.

4. An emitter comprising the complex of claim 1, wherein the emitter is a delayed fluorescent emitter.

5. An emitter comprising the complex of claim 1, wherein the emitter is a delayed fluorescent and phosphorescent emitter.

6. The complex of claim 1, wherein polymeric comprises polyalkylene, polyester, or polyether.

7. The complex of claim 6, wherein polymeric comprises —

(CH₂O)_n—

CH₃, —

(CH₂CH₂O)_n—

CH₃, —

[CH₂CH(CH₃)]_n—

CH₃, —

[CH₂CH(COOCH₃)]_n—

CH₃, —

[CH₂CH(COO CH₂CH₃)]_n—

CH₃, or —

[CH₂CH(COO^tBu)]_n—

CH₃, where n is an integer.

8. A device comprising a complex of claim 1.

9. The complex of claim 1, wherein the complex is a complex of Formula BI:

10. The complex of claim 1, wherein the complex is a complex of Formula BII:

11. The complex of claim 1, wherein the complex is a complex of Formula BIII:

12. The complex of claim 1, wherein the complex is a complex of Formula BIV: