A shoe in the side of its upper or along its outsole has a transparent diffusing element with a convex front face and a multitude of facets in its back face. A pocket opens out of the back face and contains a light emitting diode which is connected to a energizing module in the outsole of the shoe. The...http://www.google.fr/patents/US5930921?utm_source=gb-gplus-shareBrevet US5930921 - Illuminated shoe
