| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lighting device capable of utilizing effectively light of a plurality of light sources. <P>SOLUTION: The lighting device is provided with a lens body 10 having a center part and a plurality of ellipsoidal lenses 12 which extend radially from the center part and have a common focus established at the center part, a light source 20 which is installed for every ellipsoidal lens 12 and emits light to be incident to the ellipsoidal lens 12, and a reflector 30 having a reflecting surface 31 to reflect light that enters to each ellipsoidal lens from each light source and is irradiated from the common focus. <P>COPYRIGHT: (C)2009,JPO&INPIT |
