| 摘要 |
According to one embodiment, a lighting apparatus includes a conductive main body at a ground potential, a light-emitting device (1) in the main body, and a lighting control device configured to supply power to the light-emitting device. The light-emitting device includes a substrate (2) including an insulation layer (22), and a radiation layer (23) with a thermal conductivity, formed of conductive material and laminated on the insulation layer, a plurality of light-emitting elements (3) mounted on the radiation layer, and a power supply wiring (4) configured to electrically connect the light-emitting elements and to make the radiation layer electrically nonconductive. |
