A virtual image display device includes a backlight, a display panel, an optical system, and a backlight controller. The backlight includes a plurality of light emitters and a light-emitting surface that can emit light from the plurality of light emitters. The display panel includes a display surface that displays an image with light emitted from the light-emitting surface. The optical system enlarges an image of the display surface and an image of the light-emitting surface by different enlargement factors to form a virtual image in a field of view of a user. The backlight controller performs local dimming control by switching each of the plurality of light emitters between an emissive state and a non-emissive state based on the image displayed on the display panel. The light-emitting surface is smaller than the display surface.


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    Title :

    VIRTUAL IMAGE DISPLAY DEVICE, MOVABLE BODY, VIRTUAL IMAGE DISPLAY DEVICE DRIVING METHOD, AND PROGRAM


    Additional title:

    VIRTUELLE BILDANZEIGEVORRICHTUNG, BEWEGLICHER KÖRPER, VERFAHREN ZUR ANSTEUERUNG EINER VIRTUELLEN BILDANZEIGEVORRICHTUNG UND PROGRAMM
    DISPOSITIF D'AFFICHAGE D'IMAGE VIRTUELLE, CORPS MOBILE, PROCÉDÉ D'ATTAQUE DE DISPOSITIF D'AFFICHAGE D'IMAGE VIRTUELLE ET PROGRAMME


    Contributors:

    Publication date :

    2025-08-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING,... , Vorrichtungen oder Anordnungen, deren optische Arbeitsweise durch Änderung der optischen Eigenschaften des Mediums der Vorrichtungen oder Anordnungen geändert wird zum Steuern der Intensität, Farbe, Phase, Polarisation oder der Richtung von... / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / G09F DISPLAYING , Anzeigewesen



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