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A high pressure discharge lamp device 发明授权

2023-04-03 3280 67K 0

专利信息

申请日期 2025-07-10 申请号 JP2006293056
公开(公告)号 JP4840589B2 公开(公告)日 2011-12-21
公开国别 JP 申请人省市代码 全国
申请人 TOSHIBA LIGHTING TECHNOLOGY
简介 This invention provides a high-pressure discharge lamp characterized by comprising a light transparent hermetically sealed vessel having a discharge space in its inside, electrode means for inducing discharge within a discharge space in the light transparent hermetically sealed vessel, and an ionization medium sealed in the light transparent hermetically sealed vessel, including a metal halide and a rare gas, the metal halide including a halide of at least one of thulium and holmium, of which the sealing ratio to all the sealed metal halides is not less than 30% by mass, the rare gas being xenon (25 C, 3 atm or higher), any metal halide for lamp voltage formation and mercury being substantially absent within the light transparent hermetically sealed vessel.


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