| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lens in which a plurality of LED light sources can be handled in a similar way as one light source by a simpler constitution than before. <P>SOLUTION: In a lighting fixture including the lens used in combination with the plurality of LED light sources, the lens includes a plurality of light incident portions which is arranged in a state opposing to the plurality of LED light sources, converts a light beam radiated from the plurality of light sources into parallel light in parallel with a prescribed optical axis, and introduces it inside the lens, and a light emission portion which is arranged on a light path of the parallel light introduced inside the lens from the plurality of light incident portions, and includes a refracting face constituted so that the parallel light is emitted and focused to a single focus. <P>COPYRIGHT: (C)2011,JPO&INPIT |
