<p>A lighting device is provided with: a ladder cord (6) on which lighting panels (10) are arranged and which can change the angle of the surfaces of the lighting panels (10); and a lifting/lowering cord (3) for adjusting the length of the arranged lighting panels (10). The ladder cord (6) is wiring configured so that the wiring can apply a voltage to the electrodes of organic EL elements provided to the lighting panels (10), the organic EL elements being light emitting elements.</p>
