One embodiment of the invention provides a head up display (HUD) apparatus for a vehicle, comprising a display surface, and a light source including one or more narrow band emitters for directing light towards the display surface and forming an image. At least part of the display surface is selectively more reflective at wavelengths corresponding to wavelengths of light emitted by the one or more narrow band emitters for a given angle of incidence relative to other wavelengths in the visible part of the spectrum at the same angle of incidence.
HEAD UP DISPLAY APPARATUS AND DISPLAY SURFACE THEREFOR
15.02.2018
Patent
Elektronische Ressource
Englisch
IPC: | G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / C03C Chemische Zusammensetzungen für Gläser, Glasuren oder Emails , CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS |
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