Light coupling element for connection to a motor vehicle windscreen, to transmit a light beam from a sensing system for object detection, etc., that works to suppress its reflection within the windscreen

摘要

Light coupling element (1) for reduction of reflection caused by coupling of a light beam (4a) to a transparent screen (2) that has a different refractive index to the surroundings (3). The light coupling element (1) has the same refractive index as the screen, is glued to it with a transparent glue and has a shape that ensures light is incident perpendicular to its entrance surface (11a).