Lamp with phosphor composition for improved lumen performance, and method for making same
US8704438B2 · kind B2 · utility
0Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2011 |
| Grant date | Apr 22, 2014 |
| Priority date | — |
| Expiry date | Nov 2, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/44
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed herein are lamps comprising a radiation source and a phosphor blend configured for conversion of radiation, the phosphor blend including at least two different rare earth phosphors, wherein the phosphor blend comprises at least one multimodal rare earth phosphor. Disclosed advantages may include greater lumen output than an identical lamp in which the phosphor blend, at the same loading, does not comprise at least one multimodal rare earth phosphor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.