Patent ID: 8939625
Filing Date: 2015-01-27
Classification: B29D,F21S,F21Y,G02B,Y10T

Abstract:
1. An optical device for an automotive vehicle, such as a lighting or signaling device, comprising: at least one light source; and at least one light guide designed to guide at least some of the light emitted by said at least one light source, said at least one light guide comprising at least one output face and at least one reflection face designed to reflect, towards said at least one output face, light being propagated in said at least one light guide; wherein said at least one light guide exhibits a cylindrical sheet form having a longitudinal axis; wherein said sheet is non-planar and cylindrical about said longitudinal axis and has two principal faces that are substantially parallel to each other; wherein light emitting from said at least one output face is directed substantially parallel to an optical axis of said optical device; wherein said at least one reflection face of said at least one light guide is included in a ruled surface described by straight lines perpendicular to a longitudinal axis (X) of the cylindrical sheet.