Flexible light emitting device

A light emitting device for emitting two light beams in two substantially opposite directions, the light emitting device comprising:

• a flexible light source having a first surface facing a first light exit window and a second surface facing a second light exit window, the second surface being opposite to the first surface, the flexible light source being at least partly transparent, and
• a plurality of first optical elements provided on the first surface of the flexible light source and arranged to change a value of at least one optical parameter of at least a part of the light emitted by the flexible light source,
• wherein the flexible light source is arranged to emit light at least in a direction of the first light exit window, and wherein the plurality of first optical elements is arranged to redirect at least a part of the light emitted by the flexible light source in a direction of the second light exit window,
• wherein a distance between adjacent first optical elements depends on a shape of the flexible light source, and
• wherein for each of the two light beams the value of the at least one optical parameter of at least part of the light emitted by the light emitting device is different for a first shape of the flexible light source as compared to a second shape of the flexible light source, the first shape being different from the second shape.