Patent · US Active

Cationic metal-carbene complexes

US7445855B2 · kind B2 · utility

808Cited by
20References
8Claims
0Family size

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Key dates

Filing dateJan 10, 2005
Grant dateNov 4, 2008
Priority date
Expiry dateNov 14, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S428/917
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to organic light emitting devices (OLEDs), and more specifically to phosphorescent organic materials used in such devices. More specifically, the present invention relates to emissive phosphorescent material comprising a carbene ligand bound to a metal center, wherein the resulting metal-carbene complex is cationic.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.