| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lighting fixture which can control temperature rise of a light-emitting element with a simple structure and making uniform image of light emitted from the light-emitting element. <P>SOLUTION: The lighting fixture includes a mounting part 4 facing a wiring fixture Cb installed on a fixture mounting surface C, a substrate 21 which is located at the surrounding of the mounting part 4 and is arranged with the mounting surface facing the front side, and light-emitting elements 22 of same number for each row which are mounted on the substrate 21 and are arranged making a plurality of rows on the circumference of nearly concentric circles with different radii or on the circumference of polygons of nearly same center with different sizes, and are arranged shifted to the circumferential direction in the adjoining rows. <P>COPYRIGHT: (C)2012,JPO&INPIT |
