Patent attributes
A lighting device includes a lighting device cover having an emission opening; a light emitting element fixed to the lighting device cover, the light emitting element configured to emit the light along a lighting direction from the emission opening toward one side of the lighting device; a diffusion plate fixed to the lighting device cover to be disposed on one side of the light emitting element, and configured to diffuse the light emitted from the light emitting element; a shutter fixed to the lighting device cover to be disposed on one side of the diffusion plate, the shutter configured to change a lighting range of the light diffused by the diffusion plate; and a light reflective member fixed to the lighting device cover be disposed on one side of the shutter.
