Heads-up display system utilizing controlled reflections from a dashboard surface.
DRIVE
May 22, 2013
A heads-up display system is configured for use in a motor vehicle. The system includes a standard vehicle window 22 (i.e. no special coatings), an optical image projector 14, and a vehicle dashboard 15 equipped with a faceted reflective surface 18. The optical image projector is configured to project an image onto the faceted reflective surface. The faceted reflective surface is configured to reflect the image from the optical image projector onto a window surface of the standard vehicle window. The window surface is oriented to reflect the image from the faceted reflective surface toward an occupant 26. The faceted reflective surface may be disposed within a plurality of troughs separated by a plurality of diffuse reflecting partitions. The plurality of troughs may be configured to shield the occupant from extraneous reflections. The faceted reflective surface may include a plurality of electrically controlled facets. The plurality of electrically controlled reflective facets may be an array of electrowetting cells.
Discussion in the ATmosphere