| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bulb type fluorescent lamp improved in a luminous flux starting property just after fluorescent lamp lighting, and a lighting system equipped with the lamp bulb type fluorescent lamp, in the bulb type fluorescent lamp having a globe. <P>SOLUTION: The lamp bulb type fluorescent lamp 3 comprises a fluorescent lamp having a straight tube portions extending generally in parallel and close to each other, and a bending bulb structured by coupling the straight tube portions by bending portion 3a formed with tube inner diameter larger than the straight tubes at least at a part; a cover element furnished with a fitting at a first side and the fluorescent lamp 3 at a second side; the globe formed with an opening at one end and furnished with the opening side at the cover element so as to cover the fluorescent lamp 3; and a lighting device turning on the fluorescent lamp 3 so as to form the coldest portion at the bending portion 34a of the bending bulb when lighting. <P>COPYRIGHT: (C)2004,JPO |
