Invention Grant
- Patent Title: High intensity discharge lamp with terbium halide fill
- Patent Title (中): 高强度放电灯，带卤化镱填料
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Application No.: US11909640Application Date: 2006-03-17
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Publication No.: US07808181B1Publication Date: 2010-10-05
- Inventor: Luc Stefaan Emmanuel Lammerant , Antonius Hermanus Alfonsus Scharenborg
- Applicant: Luc Stefaan Emmanuel Lammerant , Antonius Hermanus Alfonsus Scharenborg
- Applicant Address: NL Eindhoven
- Assignee: Koninklijke Philips Electronics N.V.
- Current Assignee: Koninklijke Philips Electronics N.V.
- Current Assignee Address: NL Eindhoven
- Priority: EP05102542 20050331
- International Application: PCT/IB2006/050833 WO 20060317
- International Announcement: WO2006/103588 WO 20061005
- Main IPC: H01J17/20
- IPC: H01J17/20 ; H01J61/20
Abstract:
The invention relates to a high intensity discharge lamp provided with a discharge vessel enclosing a discharge space comprising an ionizable filling including besides mercury a rare earth halide, which lamp emits during stable operation light with a color temperature Tc of at least 7000K. According to the invention the lamp of the type described in the opening paragraph is therefore characterized in that the rare earth of the rare earth halide comprises Tb or Tb and Dy.
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