Light emitting device formed using rare earth complex and luminescent medium
US7250117B2 · kind B2 · utility
10Cited by
0References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2004 |
| Grant date | Jul 31, 2007 |
| Priority date | — |
| Expiry date | Jun 9, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light emitting device includes a light emitting element and a luminescent medium. The luminescent medium contains a rare earth complex wherein a compound represented by the following formula (1) is employed as a ligand:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.