The present invention provides a head-up display apparatus capable of properly presenting information to a wide area. A head-up display apparatus includes: an image light output unit configured to output a first image display light formed by a visible light laser and a second image display light formed by an ultraviolet light laser; a screen that diffuses and transmits the first image display light, and transmits the second image display light without diffusing the second image display light; and a mirror that reflects the first and the second image display lights transmitted through the screen towards a windshield that presents a virtual image to a user by reflecting the visible light laser and presents a real image to the user by receiving the ultraviolet light laser and emitting light by itself.


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    Title :

    Head-up display apparatus


    Contributors:

    Publication date :

    2021-12-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / 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 / G09G Anordnungen oder Schaltungen zur Steuerung oder Regelung von Anzeigevorrichtungen mit statischen Mitteln zur Darstellung veränderlicher Informationen , ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION



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