发明名称 |
High pressure metal halide lamp. |
摘要 |
The high pressure metal halide lamp has in a light transmitting discharge vessel (1) tungsten electrodes (3) and a filling comprising a rare gas, a buffer gas and at least one halide chosen from hafnium and zirconium bromide and chloride. The filling comprises furthermore a metal chosen from tin, tantalum and antimony in elementary form and is free from iodine in an amount exceeding 0.5 mu mol I/cm3 discharge space (2). The lamp has considerably improved light generating properties. <IMAGE> |
申请公布号 |
EP0627759(A1) |
申请公布日期 |
1994.12.07 |
申请号 |
EP19940201487 |
申请日期 |
1994.05.26 |
申请人 |
PHILIPS ELECTRONICS N.V. |
发明人 |
NATOUR, GHALEB, C/O INT. OCTROOIBUREAU B.V.;SCHOLL, ROBERT PETER, C/O INT. OCTROOIBUREAU B.V. |
分类号 |
H01J61/20;H01J61/12;H01J61/82 |
主分类号 |
H01J61/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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