There is provided a light distribution controller (50) for controlling a light distribution pattern which is formed by light emitted from a vehicle headlamp (1) of a vehicle (C) so as to prevent glare light from being directed to a front vehicle (A, B) existing in front of the vehicle, based on a relative distance between the vehicle and the front vehicle in a vehicle traveling direction. The light distribution controller is configured to control the light distribution pattern so as to block or reduce light directed to a first region (90A, 90B) where the front vehicle is present, when the relative distance is larger than a first value. The light distribution controller is configured to control the light distribution pattern so as to block or reduce light directed to a second region (91) where the front vehicle is present and a third region (92) which is located outside the front vehicle and closer to a road shoulder side, when the relative distance is in a range of a second value to the first value, wherein the second value is smaller than the first value. The light distribution controller is configured to control the light distribution pattern without blocking or reducing light directed to a fourth region where the front vehicle is present, when the relative distance is smaller than the second value.


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    Titel :

    Light distribution controller of headlamp


    Weitere Titelangaben:

    Lichtverteilungssteuerung eines Scheinwerfers
    Contrôleur de distribution lumineuse de phare


    Beteiligte:

    Erscheinungsdatum :

    14.03.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    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 / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS



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