| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lighting fixture that can obtain desired light distribution characteristics with a simple structure, in which glare hardly occurs in each direction. <P>SOLUTION: The lighting fixture 1 includes a plurality of LED elements 3 which are installed in a row along a straight line L and a prism 4 which is installed in the irradiation direction (downward) of the LED elements 3. The opposite side to the LED elements 3 of the prism 4 is made a flat surface. The irradiation direction side of the prism 4 is made a curved face 4b of which the center is swollen when viewed from the direction along the straight line L, and the curved face 4b is made a shape in which the distance (in a vertical direction) to the LED elements 3 repeats a concavo-convex form by changing continuously along the straight line L. <P>COPYRIGHT: (C)2012,JPO&INPIT |
