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AssigneeKoninklijke Philips N.V.
InventorHaimin TAO
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The present invention relates to a connection circuit (10) for connecting a driver device (26) to an external power supply (16, 21) for driving a load (28), in particular an LED unit (28) comprising one or more LEDs, comprising: a pair of first input terminals (12, 14) for connecting the connection circuit (10) to an external power supply (16, 21) and for receiving an input voltage (V10, V20) from the external power supply (16, 21), at least one second input terminal (18, 20) for connecting the connection circuit (10) to the external power supply (21) and for receiving an input voltage (V20) from the external power supply (21), a rectifier unit (22) connected to the pair of first input terminals (12, 14) and to the at least one second input terminal (18, 20) for rectifying the in put voltage (V10, V20) received from the first input terminals (16, 21) and/or the at least one second input terminal (18, 20) and for providing a rectified voltage (V30) to the driver device (26) for driving the load (28), wherein the at least one second input terminal (18, 20) is connected via a frequency filter (50) to the rectifier unit (22).
A connection circuit for connecting a driver device to an external power supply for driving an LED unit comprising one or more LEDs, the connection circuit comprising:
(canceled)
A apparatus comprising a plurality of lighting elements, in particular a plurality of LEDs, a driver device for driving the lighting elements and a connection circuit as claimed in 1 for connecting the driver device to an external power supply.
Dependencies are inferred from the claim text.