| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a luminaire capable of adjusting light distribution evenly at a time for light of an illumination using a plurality of LEDs as a light source without replacing lenses. <P>SOLUTION: The luminaire 100 of this invention is provided with a light source arranging part 20 for arranging the plurality of LEDs 21 as the light source, a mounting base 22 for mounting the light source arranging part 20, a lens arranging plate 10, provided to face against a luminous surface of the light source arranging part 20, for arranging the plurality of fresnel lenses 11 to a planar lens frame 13 to face against the respective plurality of LEDs 21 and a light distribution adjusting mechanism 30 for adjusting distribution of light from the light source arranging part 20 by moving the lens arranging plate 10 in a vertical direction of the lens arranging plate 10 and changing a distance m between the lens arranging plate 10 and the light source arranging part 20 mounted to the mounting base 22. <P>COPYRIGHT: (C)2008,JPO&INPIT |
