An optical axis O′ of a lens section of an optical member is inclined downward relative to a horizontal direction (an optical axis O of each LED) from a light emitting section of each LED. Therefore, an area at and below a horizontal position of a lighting device is illuminated by the lens section while each LED is arranged at an optically ideal position relative to the lens section. Also, reflection surfaces of upper and lower reflector sections and of the optical member are respectively set based on parabolas P1 and P2 different from each other with focal points F1 and F2 positioned at each LED. Therefore, the area at and below the horizontal position of the lighting device is illuminated respectively by the reflector sections while each LED is arranged at an optically ideal position relative to the reflector sections.