| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting device which achieves uniform brightness in a center part on a light emission surface of the lighting device.SOLUTION: A lighting device includes: a heat sink on which a semiconductor light-emitting element mounting substrate is disposed; and a body base on which a lighting circuit board is disposed. The heat sink is formed into a shape protruding in a direction away further from the body base than a screw fixing part where the heat sink is fixed to the body base. |
