A lighting arrangement (1, 1') comprising - a light source for generating light; - a receptacle containing the light source and comprising a reflective surface, - a spreading element arranged about the light source and realised to laterally spread the generated light in a spreading plane, defined by an optical axis (Ao) of the light source and a longitudinal axis of the spreading element, to give an essentially uniform quantity of light per unit area at a plane orthogonal to the spreading plane and parallel to the longitudinal axis of the spreading element, the spreading element comprising two distinct lobes arranged along the longitudinal axis of the spreading element, whereby the light source is accommodated by the spreading element essentially symmetrically between the two lobes, and - a light redirecting element comprising a longitudinal planar emission face (41, 51), and being arranged and realised to collect the laterally spread light in the spreading plane and to emit the collected light essentially uniformly over the emission face (41, 51), wherein the light redirecting element is realised to refract the collected light into an emission plane, the emission plane comprising a continuation of the spreading plane, wherein the light redirecting element comprises a plurality of distinct lateral refracting zones (40, 40', 40") for collecting the laterally spread light, a distinct lateral refracting zone (40, 40', 40") comprising a collecting face arranged to collect a light portion having a certain incidence angle range, and a refracting body for refracting the light portion through the emission face, and wherein the receptacle and the spreading element are realised to obtain a light output distribution comprising a first lateral spread portion in a first half of the spreading plane to one side of the optical axis (Ao), and a second lateral spread portion in the other half of the spreading plane, a lateral spread portion of the light output distribution being bounded by a first angle (α) subtended from the optical axis (Ao) and a second angle (β) subtended from the optical axis (Ao), the first angle (α) being at least 35°, and the second angle (β) exceeding the first angle (α) by at most 25°. - a light source for generating light; - a receptacle containing the light source and comprising a reflective surface, - a spreading element arranged about the light source and realised to laterally spread the generated light in a spreading plane, defined by an optical axis (Ao) of the light source and a longitudinal axis of the spreading element, to give an essentially uniform quantity of light per unit area at a plane orthogonal to the spreading plane and parallel to the longitudinal axis of the spreading element, the spreading element comprising two distinct lobes arranged along the longitudinal axis of the spreading element, whereby the light source is accommodated by the spreading element essentially symmetrically between the two lobes, and - a light redirecting element comprising a longitudinal planar emission face (41, 51), and being arranged and realised to collect the laterally spread light in the spreading plane and to emit the collected light essentially uniformly over the emission face (41, 51), wherein the light redirecting element is realised to refract the collected light into an emission plane, the emission plane comprising a continuation of the spreading plane,