A lighting module comprising: a substrate; a plurality of light emitting devices disposed on the substrate; and a plurality of reflectors each disposed on the substrate in a light-emitting direction of a respective light emitting device, wherein each of the light emitting devices has an exit surface emitting light, wherein each of the reflectors has reflective surfaces (171, 173, 175, 177) concave toward the substrate and at least a portion of each reflectors faces to the exit surface of a respective light emitting device, wherein each of the reflective surfaces (171, 173, 175, 177) of each reflector is disposed at a gradually higher height as it is farther from a respective light emitting device disposed in an incident direction, characterized in that each of the reflective surfaces (171, 173, 175, 177) includes a plurality of reflection cells arranged in a first direction, each of said reflection cells comprising a convex portion and a concave portion, wherein each reflector comprises first bridge portions (172, 172a, 172b) each extending along said first direction and disposed between respective adjacent reflective surfaces (171, 173, 175, 177), wherein each reflector includes a plurality of second bridge portions each crossing the first bridge portions (172, 172a, 172b) and disposed between respective adjacent reflection cells, wherein each of the concave portions has a concave curved surface or an inclined surface, and wherein each reflector includes an open region disposed at a lower portion of the reflector adjacent to a respective light emitting device and opened in the incident direction, wherein the open region has a recess corresponding to a center of the exit surface of a respective light emitting device, and wherein the recess is deeper recessed in the light-emitting direction of the respective light emitting device. a substrate; a plurality of light emitting devices disposed on the substrate; and a plurality of reflectors each disposed on the substrate in a light-emitting direction of a respective light emitting device, wherein each of the light emitting devices has an exit surface emitting light, wherein each of the reflectors has reflective surfaces (171, 173, 175, 177) concave toward the substrate and at least a portion of each reflectors faces to the exit surface of a respective light emitting device, wherein each of the reflective surfaces (171, 173, 175, 177) of each reflector is disposed at a gradually higher height as it is farther from a respective light emitting device disposed in an incident direction, characterized in that each of the reflective surfaces (171, 173, 175, 177) includes a plurality of reflection cells arranged in a first direction, each of said reflection cells comprising a convex portion and a concave portion, wherein each reflector comprises first bridge portions (172, 172a, 172b) each extending along said first direction and disposed between respective adjacent reflective surfaces (171, 173, 175, 177), wherein each reflector includes a plurality of second bridge portions each crossing the first bridge portions (172, 172a, 172b) and disposed between respective adjacent reflection cells, wherein each of the concave portions has a concave curved surface or an inclined surface, and wherein each reflector includes an open region disposed at a lower portion of the reflector adjacent to a respective light emitting device and opened in the incident direction, wherein the open region has a recess corresponding to a center of the exit surface of a respective light emitting device, and wherein the recess is deeper recessed in the light-emitting direction of the respective light emitting device.