发明名称 |
High pressure mercury lamp, illumination device using the high-pressure mercury lamp, and image display apparatus using the illumination device |
摘要 |
A high-pressure mercury lamp includes an arc tube, and a pair of electrodes is provided in a discharge space of the arc tube. In the discharge space, mercury and xenon gas are sealed. The amount of mercury per unit volume that is to be sealed in the discharge space is within a range of 0.12 mg/mm 3 to 0.35 mg/mm 3 . A pressure of the xenon gas in the discharge space is within a range of 2.0×10 5 Pa to 2.0×10 6 Pa.
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申请公布号 |
EP1310984(A2) |
申请公布日期 |
2003.05.14 |
申请号 |
EP20020028059 |
申请日期 |
1999.10.12 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD |
发明人 |
TAKEUCHI, NOBUYOSHI |
分类号 |
H01J61/073;H01J61/86;G03B21/14;G09F9/00;H01J61/20;H01J61/30;H01J61/82;H01J61/88;(IPC1-7):H01J61/82 |
主分类号 |
H01J61/073 |
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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