PROBLEM TO BE SOLVED: To provide a vehicular lighting device that can secure the necessary whole light flux even when a voltage applied to the vehicular lighting device declines, and can moderate variation in the whole light flux, and to provide a vehicular lighting fixture.SOLUTION: The vehicular lighting device includes: a first circuit part including at least one light-emitting element and a control element connected to the light-emitting element in parallel, of which electric resistance increases as the temperature increases; and a second circuit part connected to the first circuit part in series and including at least one light-emitting element.SELECTED DRAWING: Figure 6
【課題】車両用照明装置に印加される電圧が低下した場合であっても、必要となる全光束を確保することができ、且つ、全光束の変動を緩やかなものと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つの発光素子と、前記発光素子に並列接続され、温度が上昇すると電気抵抗が高くなる制御素子と、を有する第1回路部と;前記第1回路部と直列接続され、少なくとも1つの発光素子を有する第2回路部と;を具備している。【選択図】図6
VEHICULAR LIGHTING DEVICE AND VEHICULAR LIGHTING FIXTURE
車両用照明装置および車両用灯具
2017-09-14
Patent
Elektronische Ressource
Japanisch
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 / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES |
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