A projection optical system applicable to a head-up display device mounted on an automobile includes an image generation unit, a first reflection unit, a double-telecentric lens, a light splitting device arranged on image side of the double-telecentric lens, a first lens, a second reflection unit, and a second lens that are successively arranged in light exit direction; and a controller configured to control, based on timing, an image emitted from the image generation unit and light exiting from the light splitting device. When the image generation unit emit the first image, the light exit only from light reflection side of the light splitting device, and when the image generation unit to emit the second image, the light to exit only from light transmission side of the light splitting device, such that the first and second image are emitted and imaged through the first and second lens.


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    Title :

    PROJECTION OPTICAL SYSTEM AND HEAD-UP DISPLAY DEVICE MOUNTED ON AUTOMOBILE


    Contributors:
    ZHU WEIZHAN (author) / TANG XIAOFENG (author) / DING MINGNEI (author) / YEUNG STEVE (author) / GAO ZHIQIANG (author)

    Publication date :

    2022-06-30


    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



    PROJECTION OPTICAL SYSTEM AND HEAD-UP DISPLAY DEVICE MOUNTED ON AUTOMOBILE

    ZHU WEIZHAN / TANG XIAOFENG / DING MINGNEI et al. | European Patent Office | 2022

    Free access

    PROJECTION OPTICAL SYSTEM AND HEAD-UP DISPLAY DEVICE MOUNTED ON AUTOMOBILE

    ZHU WEIZHAN / TANG XIAOFENG / DING MINGNEI et al. | European Patent Office | 2022

    Free access

    PROJECTION OPTICAL SYSTEM AND HEAD-UP DISPLAY DEVICE MOUNTED ON AUTOMOBILE

    ZHU WEIZHAN / TANG XIAOFENG / DING MINGNEI et al. | European Patent Office | 2022

    Free access

    PROJECTION OPTICAL SYSTEM AND HEAD-UP DISPLAY DEVICE MOUNTED ON AUTOMOBILE

    ZHU WEIZHAN / TANG XIAOFENG / DING MINGNEI et al. | European Patent Office | 2022

    Free access

    PROJECTION OPTICAL SYSTEM AND HEAD-UP DISPLAY DEVICE MOUNTED ON AUTOMOBILE

    ZHU WEIZHAN / TANG XIAOFENG / DING MINGNEI et al. | European Patent Office | 2022

    Free access