A lighting module comprising: - a plurality of first light sources configured for emitting first light in a first predetermined direction, - at least one second light source configured for emitting second light, - a light guide comprising at least one light in-coupling portion for coupling at least a part of the second light into the light guide, a plurality of light out-coupling portions for coupling of at least part of the second light out of the light guide, - wherein the light guide is arranged for guiding the second light coupled into the light guide at the at least one light in-coupling portion via total internal reflection to the plurality of light out-coupling portions for generating out-coupled light in a second predetermined direction, - wherein the light guide is mechanically coupled to and extends along the plurality of first light sources, - wherein the light out-coupling portions extend along the plurality of first light sources and cover a larger first area than an second area covered by the plurality of first light sources, and - wherein a total luminous flux generated by the at least one second light source is lower than a total luminous flux generated by the plurality of the first light sources, - wherein the first predetermined direction and the second predetermined direction at least partly overlap, and - wherein the ratio Ei1: E1 is 80% or less, wherein Ei1 is the amount of photons emitted by the plurality of first light sources and impinging on the light guide, and E1 is the amount of photons emitted by the plurality of first light sources; and - wherein the plurality of first light sources are arranged to emit the first light in the first predetermined direction at a surface opposite to the surface of the light guide for coupling of at least part of the second light out of the light guide. - a plurality of first light sources configured for emitting first light in a first predetermined direction, - at least one second light source configured for emitting second light, - a light guide comprising at least one light in-coupling portion for coupling at least a part of the second light into the light guide, a plurality of light out-coupling portions for coupling of at least part of the second light out of the light guide, - wherein the light guide is arranged for guiding the second light coupled into the light guide at the at least one light in-coupling portion via total internal reflection to the plurality of light out-coupling portions for generating out-coupled light in a second predetermined direction, - wherein the light guide is mechanically coupled to and extends along the plurality of first light sources, - wherein the light out-coupling portions extend along the plurality of first light sources and cover a larger first area than an second area covered by the plurality of first light sources, and - wherein a total luminous flux generated by the at least one second light source is lower than a total luminous flux generated by the plurality of the first light sources, - wherein the first predetermined direction and the second predetermined direction at least partly overlap, and - wherein the ratio Ei1: E1 is 80% or less, wherein Ei1 is the amount of photons emitted by the plurality of first light sources and impinging on the light guide, and E1 is the amount of photons emitted by the plurality of first light sources; and - wherein the plurality of first light sources are arranged to emit the first light in the first predetermined direction at a surface opposite to the surface of the light guide for coupling of at least part of the second light out of the light guide.