| 摘要 |
PROBLEM TO BE SOLVED: To provide a luminaire having high illumination efficiency with little leakage light.SOLUTION: The luminaire according to one embodiment of the present invention includes an optical unit, a unit attachment plate, a power supply device, and a main body. The optical unit includes a light-emitting part having a light emitter mounted on a base plate and a lens for controlling light distribution of the light-emitting part. The unit attachment plate has a plate-like shape and includes a face in which the optical unit is mounted. The power supply device includes a lighting circuit for lighting the light emitter. The main body includes an irradiated side opening and a translucent plate. The irradiated side opening is provided with an opening for radiating light of the optical unit to the outside. The translucent plate has a plate-like shape. The translucent plate is arranged in parallel with the plate-like unit attachment plate, and is arranged so as to cover the opening of the irradiated side opening. |
