| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lighting apparatus with uniform brightness at a center part of its light-emitting face. <P>SOLUTION: In the lighting apparatus provided with a heat sink with a mounting substrate for semiconductor light-emitting elements arranged, and a body base with a lighting circuit board arranged, the heat sink is to be of a convex shape in a direction further away from the body base than a screw-down fixing part onto the body base. <P>COPYRIGHT: (C)2013,JPO&INPIT |
