PROBLEM TO BE SOLVED: To make an irradiation body efficiently collect light radiated by a radiant section.SOLUTION: In a lamp device 10 for vehicle, light radiated by an LED 28 is made incident on a light collecting part 32 of a lens 30, and is irradiated from an irradiation plane 38 of the light collecting part 32. Here, a reflection plane 36 of the light collecting part 32 surrounds a center axis of the light collecting part 32, light made incident on the light collecting part 32 is reflected by the reflection plane 36 to a center axis side of the light collecting part 32, and light reflected by the reflection plane 36 is made incident from the irradiation plane 38. With this, the light collecting part 32 can efficiently collect light radiated by the LED 28.SELECTED DRAWING: Figure 2

    【課題】放射部が放射した光を照射体が効率良く集光する。【解決手段】車両用ランプ装置10では、LED28が放射した光が、レンズ30の集光部32に入射されて、集光部32の照射面38から照射される。ここで、集光部32の反射面36が集光部32の中心軸線を囲んでおり、集光部32に入射された光を反射面36が集光部32の中心軸線側に反射すると共に、反射面36が反射した光が照射面38から照射される。このため、LED28が放射した光を集光部32が効率良く集光できる。【選択図】図2


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    Titel :

    IRRADIATION DEVICE


    Weitere Titelangaben:

    照射装置


    Beteiligte:
    NAKAYAMA YUTO (Autor:in) / YOKOYAMA KAZUYUKI (Autor:in)

    Erscheinungsdatum :

    2018-11-15


    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 / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen



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