A flexible OLED panel for a lighting device according to the present invention includes a substrate which is made of a polymer material and has a first light extracting pattern provided on a lower surface thereof; an auxiliary wiring pattern which is arranged on the substrate; a first electrode which is arranged on the substrate on which the auxiliary wiring pattern is arranged; a passivation layer which is arranged on the first electrode, at least on an area on which the auxiliary wiring pattern is arranged; an OLED light emitting structure which is arranged on the first electrode on which the passivation layer is arranged; a second electrode which is arranged on the OLED light emitting structure; and an encapsulation layer which is arranged on the second electrode.