Thallium free—metal halide lamp with magnesium halide filling for improved dimming properties
US6717364B1 · kind B1 · utility
8Cited by
6References
2Claims
0Family size
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Key dates
| Filing date | Jul 28, 2000 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | Mar 10, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/34
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A [thallium free] high pressure ceramic metal halide lamp having superior dimming characteristics with a fill composition including MgI2 and/or MgBr2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.