LIGHTING DEVICE, LIGHTING DEVICE ADJUSTING SYSTEM, LIGHTING DEVICE ADJUSTING METHOD, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a lighting device capable of adjusting illuminance distribution in an illumination range to a desired state, at a low cost.SOLUTION: A lighting device illuminates a predetermined illumination range on a road surface so as to illuminate a vehicle travelling on a road surface from front side or rear side along advancing direction. It includes a light emitting part 21 comprising a plurality of light source parts 210 which are provided to illuminate each of a plurality of illumination sections included in the illumination range, being capable of adjusting illumination condition independently and respectively.