| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bulb type lighting device with improved safety as compared with a prior art. <P>SOLUTION: In the bulb type lighting device provided with a light-emitting body equipped with light-emitting elements, a cover member covering the light-emitting body, a radiator with an open end of the cover member fitted to it for releasing outside heat generated by the light-emitting body, a base, and an insulation ring with electric insulating properties arranged between the base and the radiator, the insulation ring is provided with step-shape. <P>COPYRIGHT: (C)2013,JPO&INPIT |
