Invention Grant
- Patent Title: Incandescent lamp having an illuminant that contains a high-temperature resistant metal compound
- Patent Title (中): 具有含有高温金属化合物的发光体的白炽灯
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Application No.: US11665158Application Date: 2005-10-18
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Publication No.: US07911121B2Publication Date: 2011-03-22
- Inventor: Axel Bunk , Matthias Damm , Georg Rosenbauer
- Applicant: Axel Bunk , Matthias Damm , Georg Rosenbauer
- Applicant Address: DE Munich
- Assignee: OSRAM Gesellschaft mit beschraenkter Haftung
- Current Assignee: OSRAM Gesellschaft mit beschraenkter Haftung
- Current Assignee Address: DE Munich
- International Application: PCT/DE2005/001857 WO 20051018
- International Announcement: WO2006/045273 WO 20060504
- Main IPC: H01J19/42
- IPC: H01J19/42
Abstract:
The invention relates to an incandescent lamp (1) which is provided with an illuminant (7) which is inserted in a bulb (2) together with a filling in a vacuum-tight manner, the illuminant (7) comprising a metal carbide that has a melting point above that of tungsten. The bulb also comprises a source and a sink for a material of which the illuminant is depleted during use.
Public/Granted literature
- US20090045742A1 Incandescent lamp having an illuminant that contains a high-temperature resistant metal compound Public/Granted day:2009-02-19
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