High-pressure discharge lamp with ignition aid
US8618734B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 8, 2011 |
| Grant date | Dec 31, 2013 |
| Priority date | — |
| Expiry date | Jul 8, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/82
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A high-pressure discharge lamp having an ignition aid is provided. The discharge lamp may include: a discharge vessel consisting of ceramic or quartz glass which is sealed at two ends and which is accommodated in an outer bulb which is likewise sealed at two ends, the discharge vessel having two ends in which electrodes are fastened, two power supply lines holding the discharge vessel in the outer bulb, a UV enhancer with a single electrode as ignition aid being accommodated in the outer bulb, wherein the UV enhancer is positioned in the vicinity of a second end of the discharge vessel, while a feed line is routed from the first power supply line along the discharge vessel and is connected to the UV enhancer, the feed line being capacitively coupled to the first power supply line, the UV enhancer being installed between the feed line and the second power supply line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.