According to one embodiment, a vehicle lighting device includes a plurality of circuit portions each of which has at least one light emitting element; and a control portion that is electrically connected to the plurality of the circuit portions. The control portion connects the plurality of the circuit portions in series if an input voltage exceeds a predetermined value, and connects at least a part of the plurality of the circuit portions in parallel if the input voltage is equal to or less than the predetermined value. The predetermined value is a value equal to or more than a voltage corresponding to a current value used for failure determination of the vehicle lighting device.


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    Titel :

    Vehicle lighting device and vehicle lamp


    Beteiligte:
    KOSUGI DAISUKE (Autor:in) / HEIKE ATSUSHI (Autor:in)

    Erscheinungsdatum :

    2019-05-07


    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 / H05B ELECTRIC HEATING , Elektrische Heizung



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