Invention Grant
- Patent Title: Lamp with an improved lamp behaviour
- Patent Title (中): 灯具性能提高
-
Application No.: US11571757Application Date: 2005-07-01
-
Publication No.: US07733026B2Publication Date: 2010-06-08
- Inventor: Gerhard Hebbinghaus , Jozef Merx
- Applicant: Gerhard Hebbinghaus , Jozef Merx
- Applicant Address: NL Eindhoven
- Assignee: Koninklijke Philips Electronics N.V.
- Current Assignee: Koninklijke Philips Electronics N.V.
- Current Assignee Address: NL Eindhoven
- Priority: EP04103196 20040706
- International Application: PCT/IB2005/052194 WO 20050701
- International Announcement: WO2006/006109 WO 20060119
- Main IPC: H01J61/073
- IPC: H01J61/073 ; H01J61/12 ; H01J61/36 ; H01J61/82

Abstract:
The invention relates to a Hg free high pressure discharge lamp having a quartz envelope and a halide filling, wherein the lamp comprises at least one electrode which comprises tungsten and ≧0 wt. % and ≦0.5 wt. % thorium and whereby the lamp comprises at least one Mo-containing lead-in wire and/or foil whereby the Mo containing wire and/or foil comprises TiO2 and having a characteristic life time of ≧2500 h and ≦7500 h according to the EU Carmaker cycle test.
Public/Granted literature
- US20080297052A1 Lamp with an Improved Lamp Behaviour Public/Granted day:2008-12-04
Information query