Motor vehicle lighting and signaling device e.g. headlight or side marker light, has optical light guide with output side including profile with ridges, and reflecting side with indented profile forming light rays reflecting side

摘要

The device has an optical light guide (5) including an output side (FS) to output light rays propagated in the guide, where the side (FS) has a profile including ridges. The guide has a reflecting side (FR) with an indented profile forming a light rays reflecting side. The reflecting side has a series of prisms (8), where facets of consecutive prisms form a truncated base angle (D).