| 申请日期 | 2025-07-11 | 申请号 | JP2008254549 |
| 公开（公告）号 | JP4421665B2 | 公开（公告）日 | 2010-02-24 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | Panasonic Corporation5821 | ||
| 简介 | A fluorescent lamp according to the present invention includes : a glass tube (1) in which mercury and a rare gas are enclosed; a protective film (3) that is attached so as to cover an inner face of the glass tube (1); and a phosphor layer (4) that is laminated on the protective film (3). The protective film (3) has a thickness of 0.5 µm to 3 ¼m. Further, the protective film 3 is formed of aluminium oxide particles and has a volume ratio of 0.1 to 0.32. | ||
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