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US07733026B2 Lamp with an improved lamp behaviour 有权
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Lamp with an improved lamp behaviour
摘要:
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.
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