To provide a vehicle interior lighting device that can emit light with different luminous intensities to multiple areas using a single light source.SOLUTION: A vehicle interior lighting device includes: a light source; a condenser lens for emitting light while condensing light emitted by the light source; and a projection lens for projecting light emitted by the condenser lens into a cabin. The projection lens has a rear surface constituted of: a flat-surface part constituted of a flat surface; and cut-out-like prism parts provided at predetermined intervals. The projection lens emits light incident upon the flat-surface part and the prism parts to multiple areas inside the cabin.SELECTED DRAWING: Figure 3

    【課題】単一の光源を用いて複数の領域に照度の異なる光を照射し得る車両室内照明装置を提供する。【解決手段】光源と、前記光源から出光した光を集光して出光する、集光レンズと、前記収光レンズから出光した光を車室内に投射する投射レンズとを備え、前記投射レンズの裏面は、平坦面からなる平面部、所定間隔で設けられた切り込み状のプリズム部とからなり、前記投射レンズが、前記平面部および前記プリズム部に入光した光を、車室内の複数のエリアに照射する、車両室内用照明装置とする。【選択図】図3


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    Titel :

    VEHICLE INTERIOR LIGHTING DEVICE


    Weitere Titelangaben:

    車両室内照明装置


    Beteiligte:
    KOJIMA KANEHARU (Autor:in) / KAWASHIMA EIJI (Autor:in)

    Erscheinungsdatum :

    2021-03-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    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 / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen



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