To provide a vehicle lighting device and vehicle lamps which, when an input voltage drops, can secure a required total luminous flux and suppress erroneous detection related to the occurrence of a failure.SOLUTION: A vehicle lighting device according to one embodiment includes a plurality of circuit parts each having at least one light emitting element, and a control part electrically connected to the plurality of the circuit parts. The control part connects the plurality of circuit parts in series when the input voltage exceeds a predetermined value, and connects at least a part of the plurality of circuit parts in parallel when the input voltage is equal to or less than the predetermined value. The predetermined value is equal to or more than a voltage corresponding to a current value used for failure determination of the vehicle lighting device.SELECTED DRAWING: Figure 9

    【課題】入力電圧が低下した際に、必要となる全光束を確保することができ、且つ、故障の発生に関する誤検出を抑制することができる車両用照明装置および車両用灯具を提供することである。【解決手段】実施形態に係る車両用照明装置は、少なくとも1つの発光素子を有する複数の回路部と;前記複数の回路部と電気的に接続された制御部と;を具備している。前記制御部は、入力電圧が所定の値を超えた場合には、前記複数の回路部を直列接続にし、前記入力電圧が所定の値以下となった場合には、前記複数の回路部の少なくとも一部を並列接続にする。前記所定の値は、車両用照明装置の故障判定に用いられる電流値に対応した電圧以上の値である。【選択図】図9


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    Title :

    VEHICLE LIGHTING DEVICE AND VEHICLE LAMP


    Additional title:

    車両用照明装置および車両用灯具


    Contributors:

    Publication date :

    2019-04-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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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