Gas discharge lamp with down conversion luminophore
US6917153B2 · kind B2 · utility
2Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2002 |
| Grant date | Jul 12, 2005 |
| Priority date | — |
| Expiry date | May 30, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/7772
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A luminophore capable of down conversion has a host lattice with a pair of activators of a first lanthanoid ion and a second lanthanoid ion and a co-activator of a third lanthanoid ion. A gas discharge lamp fitted with a gas discharge vessel filled with a gas filling which is suitable for a gas discharge which emits VUV radiation, and has a luminophore coating containing the down conversion luminophore is environmentally friendly and has good lamp efficiency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.