To provide a vehicle illumination device configured to secure required total luminous flux even when an input voltage is changed, and configured to suppress increase of a rate of change in total luminous flux, and a vehicle lighting device.SOLUTION: A vehicle illumination device includes a socket, a substrate, light emitting elements, and a control element electrically connected to the light emitting elements. When an input voltage drops below a first voltage, the control element turns on some of the light emitting elements. When the input voltage exceeds a second voltage which is higher than the first voltage, the control element turns on all the light emitting elements. When the input voltage is between the first voltage and the second voltage, the control element turns on all the light emitting elements and changes at least one of the total luminous flux of the light emitting elements and a current flowing in the light emitting elements in accordance with the input voltage.SELECTED DRAWING: Figure 5

    【課題】入力電圧が変動したとしても、必要となる全光束を確保することができ、且つ、全光束の変化率が大きくなるのを抑制することができる車両用照明装置、車両用灯具を提供することである。【解決手段】車両用照明装置は、ソケットと基板と発光素子と複数の発光素子と電気的に接続された制御素子とを具備している。前記制御素子は、入力電圧が第1の電圧未満となった場合には、前記複数の発光素子のうちの一部の発光素子を点灯させる。前記制御素子は、前記入力電圧が前記第1の電圧よりも高い第2の電圧を超えた場合には、前記複数の発光素子の全てを点灯させる。前記制御素子は、前記入力電圧が前記第1の電圧以上、前記第2の電圧以下となった場合には、前記複数の発光素子の全てを点灯させるとともに、前記複数の発光素子の全光束、および前記複数の発光素子に流れる電流の少なくともいずれかを、前記入力電圧に応じて変化させる。【選択図】図5


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    Title :

    VEHICLE ILLUMINATION DEVICE AND VEHICLE LIGHTING DEVICE


    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 :

    2023-11-15


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



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