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US 2002/0000764 A1Published application
Lighting unit for a lamp, particularly discharge lamps
AssigneeSchott Glas
InventorsLars Bewig, Thomas Kupper, Wolfram Maring, Christoph Moelle
Life of this patent
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Abstract
The invention concerns a lighting unit, particularly a gas-discharge lighting unit having a hollow body and metal electrodes within the hollow body. A wall is provided with a coating which has heat-reflecting or infrared radiation-reflecting properties.
Claims6
Lighting unit, particularly gas-discharge lighting unit;
- 1.1 with a hollow body;
- 1.2 with metal electrodes enclosed therein;
- 1.3 the wall is provided with a coating;
- 1.4 the coating has heat-reflecting or infrared radiation-reflecting properties.
1 more element
Device according to one of claims 1 to 6*, further characterized in that the coating is introduced according to the PICVD process.
Dependencies are inferred from the claim text.