A lighting apparatus using an organic light emitting diode, the apparatus comprising: a substrate divided into a lighting portion, and first and second contact portions (CA1, CA2); a first electrode on a top surface of the substrate; a first contact electrode on the first contact portion, the first contact electrode extending from the first electrode to the first contact portion; an auxiliary electrode disposed on the lighting portion and the first contact portion, the auxiliary electrode being arranged to be electrically connected to the first electrode and the first contact electrode, the auxiliary electrode protruding away from the top surface of the substrate; a first passivation layer on the first electrode in the lighting portion covering the auxiliary electrode in the lighting portion and having an opening so as to expose the first electrode in the lighting portion outside the auxiliary electrode; an organic light emitting layer and a second electrode on the lighting portion of the substrate; a second passivation layer disposed on the lighting portion and arranged to: planarize a top surface of a stack comprising the auxiliary electrode, the organic light emitting layer, and the second electrode, the top surface being the surface furthest away from the substrate; and cover the organic light emitting layer and the second electrode; wherein the second passivation layer is formed at least up to a height of a top surface of the second electrode, the top surface being in a region overlapping the auxiliary electrode, so as to fill a periphery of the second electrode for planarizing the second electrode; a third passivation layer made of an inorganic material to cover the second passivation layer; and a metal film on the lighting portion of the substrate to cover the second passivation layer and the third passivation layer. a substrate divided into a lighting portion, and first and second contact portions (CA1, CA2); a first electrode on a top surface of the substrate; a first contact electrode on the first contact portion, the first contact electrode extending from the first electrode to the first contact portion; an auxiliary electrode disposed on the lighting portion and the first contact portion, the auxiliary electrode being arranged to be electrically connected to the first electrode and the first contact electrode, the auxiliary electrode protruding away from the top surface of the substrate; a first passivation layer on the first electrode in the lighting portion covering the auxiliary electrode in the lighting portion and having an opening so as to expose the first electrode in the lighting portion outside the auxiliary electrode; an organic light emitting layer and a second electrode on the lighting portion of the substrate; a second passivation layer disposed on the lighting portion and arranged to: planarize a top surface of a stack comprising the auxiliary electrode, the organic light emitting layer, and the second electrode, the top surface being the surface furthest away from the substrate; and cover the organic light emitting layer and the second electrode; wherein the second passivation layer is formed at least up to a height of a top surface of the second electrode, the top surface being in a region overlapping the auxiliary electrode, so as to fill a periphery of the second electrode for planarizing the second electrode; a third passivation layer made of an inorganic material to cover the second passivation layer; and a metal film on the lighting portion of the substrate to cover the second passivation layer and the third passivation layer. planarize a top surface of a stack comprising the auxiliary electrode, the organic light emitting layer, and the second electrode, the top surface being the surface furthest away from the substrate; and cover the organic light emitting layer and the second electrode; wherein the second passivation layer is formed at least up to a height of a top surface of the second electrode, the top surface being in a region overlapping the auxiliary electrode, so as to fill a periphery of the second electrode for planarizing the second electrode; a third passivation layer made of an inorganic material to cover the second passivation layer; and a metal film on the lighting portion of the substrate to cover the second passivation layer and the third passivation layer.