A signalling or lighting apparatus comprising at least one light source defining a main emission direction, together with at least one elongate light guide, one end of which is lit by the light source, the said light guide being adapted to diffuse the light transversely with respect to its length. At...http://www.google.com.au/patents/US20050141213?utm_source=gb-gplus-sharePatent US20050141213 - Signalling or lighting apparatus, in particular for a motor vehicle
