| 摘要 |
The invention concerns a lighting or signalling device for a motor vehicle, which comprises: a linear light guide generated by the movement of a circular elementary section along a director line, the elementary section comprising a front peripheral lighting portion and a rear peripheral portion which comprises a rear light-diffusion segment; and a light source emitting rays entering the light guide through one end; of the type in which the rays propagate in the light guide by successive total reflections and in which the rays reaching the diffusion segment are diffused in particular towards the rear outside the length, and towards the front so as to be refracted through the front lighting portion, wherein it comprises at least one reflector which redirects forwards the rays which emerge through the rear peripheral portion.
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