To provide an indoor lighting lamp for a vehicle that enables uniform surface light emission of a light emission surface inside a cabin with a single light source, and can illuminate the inside of the cabin uniformly without light irregularity.SOLUTION: An indoor lighting lamp 1 for a vehicle includes: a design panel 10 having a light-transmitting clear portion A in at least a part on a surface 11a side; a light source to emit light toward the surface 11a side of the design panel 10; a reflector 30 arranged at a position opposite the clear portion A of the design panel 10 and reflecting light from the light source; a light guiding prism 40 which is arranged on the side where the light source 20 is positioned on the reflector 30 and on which light from the light source and reflected light from the reflector 30 are incident; and a light emitting prism 50 which is arranged on the reflector 30 so as to lie adjacent to the light guiding prism 40 and making the light guided in the light conducting prism 40 exit toward the clear portion A of the design panel 10.SELECTED DRAWING: Figure 7

    【課題】1つの光源にて車室内側の発光面を均一に面発光させることができ、車室内を光むらなく均一に照明することができる車両用室内照明灯を提供する。【解決手段】車両用室内照明灯1は、表面11a側の少なくとも一部に光を透過するクリア部Aを有する意匠パネル10と、この意匠パネル10の表面11a側に向けて光を出射する光源と、意匠パネル10のクリア部Aに相対向する位置に配置され、光源からの光を反射させるリフレクタ30と、このリフレクタ30上の光源20が位置する側に配置され、光源からの光及びリフレクタ30による反射光がそれぞれ入射する導光用プリズム40と、リフレクタ30上に導光用プリズム40に隣接するように配置され導光用プリズム40内を導出した光を意匠パネル10のクリア部Aに向けて出射させる発光用プリズム50と、を備える。【選択図】図7


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    Titel :

    INDOOR LIGHTING LAMP FOR VEHICLE


    Weitere Titelangaben:

    車両用室内照明灯


    Beteiligte:
    IKEDA TAKAYUKI (Autor:in) / TAKASAKI TETSURO (Autor:in)

    Erscheinungsdatum :

    2023-10-04


    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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