Patent · US Active

Metal coordination compound, polymer composition, and organic electroluminescent device employing same

US7955716B2 · kind B2 · utility

10Cited by
6References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 9, 2004
Grant dateJun 7, 2011
Priority date
Expiry dateMar 27, 2027

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S428/917
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

It is an object of the present invention to provide a phosphorescence-emitting material that emits light in a wide visible light range from blue to red and has excellent color purity and reliability, etc. The present invention relates to a metal coordination compound represented by any one of Formulae (1) to (6),B: >NR, >O, >S, >C═O, >SO2, >CR2 (in the formulae, M is Ir, Rh, Ru, Os, Pd, or Pt, and n is 2 or 3; when M is Ir, Rh, Ru, or Os and n is 2, another bidentate ligand further bonds to M; ring A is a cyclic compound containing a nitrogen atom bonded to M.

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