| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent light flickering in lighting while improving lamp efficiency by reducing the tube inner diameter of an arc tube, and to secure a necessary life time, in a fluorescent lamp. <P>SOLUTION: In the arc tube 2 formed into a double-spiral shape, the tube inner diameter of a main part thereof is 4.0-6.5 mm; and a mixture gas of (Ar + 20 wt.% of Kr) is filled in the arc tube. <P>COPYRIGHT: (C)2008,JPO&INPIT |
