High-pressure discharge lamp with sealed UV-enhancer
US5942840A · kind A · utility
10Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1997 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Apr 22, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/82
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A high-pressure discharge lamp is disclosed having a discharge vessel, an outer bulb enclosing said discharge vessel and defining an intervening space therebetween, a UV-enhancer positioned in the space between the outer bulb and the discharge vessel, the UV-enhancer provided with a wall fabricated of a ceramic material and an internal electrode, wherein an end portion of the UV-enhancer is closed with a compressive seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.