The invention relates to a projection device (36) for projecting visual information, in particular in the form of a logo or warning signal, and to a projection surface (48), having a light source (38)which has an emission maximum at a first wavelength, a mask (40) which is arranged in the beam path of the light source (38) and has at least one opening which makes available the visual information,and at least one optical lens (46, 50) arranged in the beam path, wherein the mask (40) and/or the lens (46, 50) have/has a coating (44) with at least one fluorescent material, the excitation wave length of which corresponds to the first wavelength, and which emits light at least one second wavelength. The invention also relates to a rear-view device and to a motor vehicle having such a projection device (36).

    本发明涉及一种用于将光学信息投影到投影面(48)上的投影装置(36),所述光学信息特别是以图标或者警告信号的形式,所述投影装置具有:光源(38),所述光源在第一波长处具有最大发射;设置在光源(38)的光路中的蔽光框(40),所述蔽光框具有至少一个提供光学信息的开口;以及至少一个设置在光路中的光学透镜(46、50),其中,所述蔽光框(40)和/或所述透镜(46、50)具有包括至少一种发光材料的涂层(44),所述发光材料的激发波长相应于所述第一波长并且所述发光材料在至少一个第二波长上发射光。本发明还涉及一种具有这样的投影装置(36)的后视设备以及机动车。


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    Title :

    PROJECTION DEVICE, REAR-VIEW DEVICE AND MOTOR VEHICLE


    Additional title:

    投影装置、后视设备和机动车


    Contributors:
    MEIER EUGEN (author)

    Publication date :

    2020-05-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein



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