Four Coordinated Platinum and Palladium Complexes with Geometrically Distorted Charge Transfer State and Their Applications in Light Emitting Devices

• US 20140330019A1
• Filed: 07/16/2014
• Published: 11/06/2014
• Est. Priority Date: 02/18/2011
• Status: Active Grant

• Current Assignee: Arizona Board of Regents (University of Arizona)
• Original Assignee: Arizona Board of Regents (University of Arizona)
• Inventors: Li, Jian, Turner, Eric, Hang, Xiaochun
• Granted Patent: US 8,927,713 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 2211/1003 Carbocyclic compounds
• CPC Class Codes: C09K 2211/1007 Non-condensed systems
• CPC Class Codes: C09K 2211/1014 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 30/80 Constructional details
• CPC Class Codes: H10K 50/11 characterised by the electroluminescent [EL] layers
• CPC Class Codes: H10K 50/16 Electron transporting layers
• CPC Class Codes: H10K 50/828 Transparent cathodes, e.g. comprising thin metal layers
• CPC Class Codes: H10K 85/346 comprising platinum
• CPC Class Codes: Y02E 10/549 Organic PV cells

Abstract

Described herein are platinum and palladium compounds with geometrically distorted charge transfer state, applications and methods for the preparation thereof. The platinum and/or palladium compounds described herein are capable of emitting light and can be used in light emitting devices.

Claims

1-10. -10. (canceled)

11. The compound represented by the formula

13. The compound of claim 11, comprising an emitting component having the structure:

14. A light emitting device comprising the compound of claim 11.

15. An OLED device comprising the compound of claim 11.

16. The OLED device of claim 15, wherein the device is a phosphorescent OLED device.

17. A photovoltaic device comprising the compound of claim 11.

18. A luminescent display device comprising the compound of claim 11.

12. (canceled)