The invention provides a projection lens for a vehicle. The projection lens comprises a first lens, a second lens and an aperture which are sequentially arranged from the magnification side to the reduction side of the projection lens for the vehicle. The projection lens for the vehicle is substantially composed of a first lens, a second lens and other two lenses with diopters. The first lens has positive diopter. The aperture is provided on the magnification side of the second lens. One of the two lenses is made of glass, and the other lens is made of non-glass. One of the two lenses is an aspheric lens. The invention also provides a vehicle projector.

    本发明提供一种车用投影镜头,包括自车用投影镜头的放大侧到缩小侧依序排列的第一透镜与第二透镜以及光圈。车用投影镜头实质由第一透镜与第二透镜等二片具有屈光度透镜所组成。第一透镜具有正屈光度。光圈设于第二透镜的放大侧。二片透镜中,一者的材质为玻璃,另一者的材质为非玻璃。且二片透镜中,一者为非球面透镜。亦提供一种车用投影机。


    Access

    Download


    Export, share and cite



    Title :

    Projection lens for vehicle and projector for vehicle


    Additional title:

    车用投影镜头及车用投影机


    Contributors:
    CHEN SHIWEI (author) / LI JIAYUN (author)

    Publication date :

    2023-06-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien




    Projection method and device of vehicle-mounted projector

    FENG YAN | European Patent Office | 2022

    Free access

    Projection method of vehicle-mounted projector, vehicle and machine readable storage medium

    JIANG YOUTAO / SHU PINGPING / LOU LONGHAI | European Patent Office | 2024

    Free access

    Projection method of vehicle-mounted projector, computer readable storage medium and vehicle

    FANG KALU / FU HONGWEI / ZHAO MINGWEI | European Patent Office | 2024

    Free access

    Projection method of vehicle-mounted projector, computer readable storage medium and vehicle

    JIANG YOUTAO / SHU PINGPING | European Patent Office | 2024

    Free access