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. <EOS>