A virtual image display apparatus that is configured to be mounted in a transportation machine and is configured such that P-polarized image display light is incident into a projection portion, a head-up display system, and the transportation machine provided therewith, the virtual image display apparatus and head-up display system including an image display device that emits projection image light, a diffractive reflective element having positive optical power, and a half-wave plate having a front retardation of 200 nm to 400 nm, in which the diffractive reflective element and the half-wave plate are provided on an optical path that guides the projection image light to the projection portion, in order from a side of the image display device.


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    Title :

    VIRTUAL IMAGE DISPLAY APPARATUS, HEAD-UP DISPLAY SYSTEM, AND TRANSPORTATION MACHINE


    Contributors:

    Publication date :

    2024-08-22


    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 / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS





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