A lighting device may be provided that includes a heat sink (140) which includes one surface and a receiving recess; a light emitting module (130) which is disposed on the one surface of the heat sink and includes a substrate (131) and a plurality of light sources (133) disposed on the substrate, wherein the substrate includes a hole (131a) and a plurality of via-holes (131b); a power controller (150) which includes an electrode pin (151a) electrically connected to the light emitting module through the via-hole; and an insulating inner case (160) which receives the power controller (150) therein and is disposed in the receiving recess of the heat sink, wherein the light sources include a lighting emitting device.