| 发明名称 |
ELECTRIC DISCHARGE TUBE, METHOD FOR FORMING REFLECTIVE FILM OF ELECTRIC DISCHARGE TUBE, AND LIGHT EMITTING DEVICE |
| 摘要 |
<p>A light emitting device includes a glass bulb (2) and a reflective film (13) formed in a region having an angle of at least 230° on an outer peripheral surface of the glass bulb (2). The light emitting device can obtain the reflective film (13) having a sufficient film thickness in a wide region on an outer peripheral surface of an electric discharge tube (22) and has a uniform light intensity distribution.</p> |
| 申请公布号 |
EP2383770(A4) |
申请公布日期 |
2013.02.13 |
| 申请号 |
EP20100733377 |
申请日期 |
2010.01.25 |
| 申请人 |
PANASONIC CORPORATION |
发明人 |
OGINO, YASUSHI;TSUTSUMI, KIYOSHI;MURAI, TOSHIAKI |
| 分类号 |
H01J61/35;G03B15/02;G03B15/05;H01J9/20 |
主分类号 |
H01J61/35 |
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