US Patent 8686872 Roadway condition warning on full windshield head-up display

A substantially transparent windscreen head-up display includes one of light emitting particles or microstructures over a predefined region of the windscreen permitting luminescent display while permitting vision therethrough. A method to dynamically register a graphic onto a driving scene of a vehicle utilizing a substantially transparent windscreen head-up display includes monitoring roadway conditions, identifying a potential roadway hazard based on the roadway conditions, determining the graphic identifying the potential roadway hazard, dynamically registering a location of the graphic upon the substantially transparent windscreen head-up display corresponding to the driving scene of the vehicle, and displaying the graphic upon the substantially transparent windscreen head-up display.