A lamp lighting device (6) in an embodiment includes a discharge lamp (7), a first ballast (11) including a converter (16) that converts an AC current, which is supplied from a power supply, into a DC current, a second ballast (12) including an inverter (17) that converts the DC current, which is supplied from the first ballast (11), into a high-frequency AC current, a first connection line (13) that connects the first ballast (11) and the second ballast (12) and that feeds the DC current, which is supplied from the first ballast (11), to the second ballast (2), and a second connection line (14) that connects the second ballast (12) and the discharge lamp (7) and that feeds the high-frequency AC current, which is supplied from the second ballast (12), to the discharge lamp (7).
LAMP LIGHTING DEVICE
LAMPENBELEUCHTUNGSVORRICHTUNG
DISPOSITIF D'ÉCLAIRAGE DE LAMPE
2017-02-01
Patent
Electronic Resource
English
Multifunctional signal lamp integrated lighting device, vehicle lighting lamp and vehicle
European Patent Office | 2023
|European Patent Office | 2016
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