A vehicle may have a head-up display that produces a display output allowing a viewer in the vehicle to observe two-dimensional or three-dimensional content. The head-up display may include a display unit that produces the display output and an optical combiner on a vehicle window that directs the display output towards the viewer. The optical combiner may be a holographic or diffractive optical element or may be an array of angled reflectors such as micromirrors embedded in an index-matching material. Optical combiners formed from holographic elements may be configured to reflect light at an angle of reflection that is different than the angle of incidence, thereby allowing light to reach a viewer's eyes even when the head-up display reflects light off of a side window on a vehicle door. A holographic optical element may include volume holographic media such as photopolymers or holographic polymer dispersed liquid crystal.


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    Titel :

    System with holographic head-up display


    Beteiligte:
    ZHANG ARTHUR Y (Autor:in) / MYHRE GRAHAM B (Autor:in) / CHOI HYUNGRYUL J (Autor:in) / LAST MATTHEW E (Autor:in)

    Erscheinungsdatum :

    15.12.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G03H Holografische Verfahren oder Vorrichtungen , HOLOGRAPHIC PROCESSES OR APPARATUS / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS



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