Provided is a head-up display system and a transportation machine including the head-up display system, the head-up display system including a windshield glass having a selective reflection layer and a projector including laser light sources of three colors of blue light, green light, and red light for forming a projection image on the windshield glass,in which the selective reflection layer includes the following selective reflection central wavelengths λB, λG, and λR at a light incidence angle of 60°,400nm≤λB<500nm500nm≤λG<600nm600nm≤λR<700nmall of XB/XG, XB/XR, and XG/XR are in a range of 0.80 to 1.20.In the above, XB=RB×LB, XG=RG×LG, and XR=RR×LR.RB, RG, and RR indicate a natural light reflectivity at λB, λG, and λR, and LB, LG, and LR indicate the brightness of blue, green, and red laser beam emitted from the projector.


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    Title :

    HEAD-UP DISPLAY SYSTEM AND TRANSPORTATION MACHINE


    Contributors:

    Publication date :

    2024-06-27


    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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