| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting fixture capable of fitting an operating switch without causing the enlargement of the slighting fixture by the use of a spiral-shaped fluorescent lamp.SOLUTION: Since there is used a spiral-shaped fluorescent lamp 40 equipped with an arc tube 41 with a tubular discharge route spirally whirling along the same plane with the longitudinal center 411 as a starting point, the illumination light of uniform plane light emission can be obtained. Furthermore, since an operating switch substrate 371 and an operating substrate cover 372 covering it are provided at least at one of points where the arc tube 41 is not positioned in an extension direction of a lamp pin 44 in a fixture body 20, a space can be utilized effectively to avoid the enlargement of the fixture body 20 and that of the lighting fixture 10. |
