发明授权
US5136208A Metal halide lamp maintaining a high lumen maintenance factor over an
extended operation period
失效
金属卤化物灯在延长的操作时间内维持高亮度维护因子
- 专利标题： Metal halide lamp maintaining a high lumen maintenance factor over an extended operation period
- 专利标题（中）： 金属卤化物灯在延长的操作时间内维持高亮度维护因子
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申请号： US476036申请日： 1990-02-07
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公开(公告)号： US5136208A公开(公告)日： 1992-08-04
- 发明人: Hiromichi Kawashima , Kazuo Honda , Youichiro Mitsuyuki , Yasuki Mori , Masakazu Shibuya , Mamoru Furuya
- 申请人： Hiromichi Kawashima , Kazuo Honda , Youichiro Mitsuyuki , Yasuki Mori , Masakazu Shibuya , Mamoru Furuya
- 申请人地址： JPX Tokyo
- 专利权人： Toshiba Lighting & Technology Corporation
- 当前专利权人： Toshiba Lighting & Technology Corporation
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX1-028039 19890207; JPX1-196745 19890731
- 主分类号： H01J61/12
- IPC分类号： H01J61/12 ; H01J61/82
摘要：
A prescribed amount of tin halide is sealed in the arc tube of a metal halide lamp wherein a given amount of metal halide including a target amount of halogen and at least a predetermined amount of rare earth metal is sealed in the arc tube thereof to maintain a high lumen maintenance factor for an extended operation period. The prescribed amount of tin halide is preferably within 4.6.about.234 mol % of the predetermined amount of rare earth metal.
公开/授权文献
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