Patent · US Expired

Photoactive lanthanide complexes with phosphine oxides, phosphine oxide-sulfides, pyridine N-oxides, and phosphine oxide-pyridine N-oxides, and devices made with such complexes

US6875523B2 · kind B2 · utility

16Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 27, 2002
Grant dateApr 5, 2005
Priority date
Expiry dateDec 29, 2022

Classification

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

Abstract

The present invention is generally directed to luminescent lanthanide compounds with phosphine oxide, phosphine oxide-sulfide, pyridine N-oxide, and phosphine oxide-pyridine N-oxide ligands. It also relates to electronic devices in which the active layer includes a lanthanide complex.

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