发明名称 |
High pressure discharge lamp |
摘要 |
A high pressure discharge lamp with a trigger wire wound around a side tube portion has the structure in which the side tube portion has a first glass portion extending from a luminous bulb and a second glass portion provided in at least a portion of the inside of the first glass portion, and in which the second glass portion contains at least one substance of Li, Na, and K of from 0.001 wt % to 1.0 wt % inclusive. This structure provides a high pressure discharge lamp operable with a drastically reduced starting voltage.
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申请公布号 |
US7034460(B2) |
申请公布日期 |
2006.04.25 |
申请号 |
US20040819238 |
申请日期 |
2004.04.06 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
TAKAHASHI KIYOSHI;HATAOKA SHINICHIRO;YAMAMOTO MASAHIRO;TSUTATANI TAKASHI;SEKI TOMOYUKI;HORIUCHI MAKOTO;ICHIBAKASE TSUYOSHI |
分类号 |
H01J17/44;C03C3/091;C03C27/00;H01J9/32;H01J17/20;H01J61/00;H01J61/073;H01J61/12;H01J61/26;H01J61/30;H01J61/36;H01J61/54;H01J61/86 |
主分类号 |
H01J17/44 |
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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