The present application discloses a virtual image display apparatus. The virtual image display apparatus includes a gaze monitor configured to detect a gaze direction of a user and determine a gaze point based on the gaze direction; a display device configured to output an image; a projection lens configured to project the image onto a depth plane corresponding to the gaze point; and a controller configured to control a focal length of the projection lens based on a change of the gaze point.


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    Title :

    VIRTUAL IMAGE DISPLAY APPARATUS, VEHICLE COMPRISING HEAD-UP DISPLAY APPARATUS COMPRISING VIRTUAL IMAGE DISPLAY APPARATUS, AND METHOD FOR VIRTUAL IMAGE DISPLAY


    Contributors:
    HONG TAO (author)

    Publication date :

    2021-07-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, 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




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