To provide a vehicle illumination device with a multi-tip light emitting element, configured to secure required total luminous flux even when an input voltage decreases, and a vehicle lighting device.SOLUTION: A vehicle illumination device includes: a socket; a substrate arranged at one end of the socket; a first light emitting unit arranged on the substrate and having a plurality of light-emitting chips connected in series; a second light emitting unit arranged on the substrate, connected in series with the first light emitting unit, and having second light-emitting chips smaller in number than the first light-emitting chips; and a control element arranged on the substrate, and configured to switch connection state between the first light emitting unit and the second light emitting unit in accordance with an input voltage.SELECTED DRAWING: Figure 6

    【課題】マルチチップ発光素子を用いる場合であっても、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、直列接続された複数の第1の発光チップを有する第1の発光部と;前記基板の上に設けられ、前記第1の発光部と直列接続され、前記第1の発光チップよりも少ない第2の発光チップを有する第2の発光部と;前記基板の上に設けられ、入力電圧に応じて、前記第1の発光部と、前記第2の発光部との接続形態を切り替える制御素子と;を具備している。【選択図】図6


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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:
    UENO MISAKI (author)

    Publication date :

    2023-11-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H05B ELECTRIC HEATING , Elektrische Heizung / 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



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