To provide a vehicular illuminating device that can maintain lighting even if an input voltage is decreased, and a vehicular lighting fixture.SOLUTION: A vehicular illuminating device according to an embodiment comprises: a socket; a board provided on one end part side of the socket; a first circuit provided on the board; and a second circuit provided on the board. The first circuit has: a plurality of first emitting elements; and a control element electrically connected to the plurality of first emitting elements, and for controlling a value of a current flowing through the plurality of first emitting elements. The second circuit has: second light emitting elements whose number is smaller than the number of the plurality of first emitting elements; and a resistor series-connected to the second light emitting elements.SELECTED DRAWING: Figure 4

    【課題】入力電圧が低下した場合であっても点灯を維持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、ソケットと;前記ソケットの一方の端部側に設けられた基板と;前記基板の上に設けられた第1の回路と;前記基板の上に設けられた第2の回路と;を具備している。前記第1の回路は、複数の第1の発光素子と;前記複数の第1の発光素子と電気的に接続され、前記複数の第1の発光素子に流れる電流の値を制御する制御素子と;を有する。前記第2の回路は、前記複数の第1の発光素子の数よりも少ない数の第2の発光素子と;前記第2の発光素子と直列接続された抵抗と;を有する。【選択図】図4


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    Title :

    VEHICULAR ILLUMINATING DEVICE, AND VEHICULAR LIGHTING FIXTURE


    Additional title:

    車両用照明装置、および車両用灯具


    Contributors:
    MORI KEI (author) / KOSUGI HIROSHI (author)

    Publication date :

    2023-09-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / 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 / H05B ELECTRIC HEATING , Elektrische Heizung



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