Circuit for controlling light emitting diodes and...

Details Circuit for controlling light emitting diodes and... Circuit for controlling light emitting diodes and...

H - Electricity

05

B

H05B 37/02 (2006.01)

Patent

CA 2739951

The present invention relates to a circuit for controlling at least one LED and to a light- and/or signal element including said circuit, wherein the circuit facilitates an optimum utilization of any input voltage provided by an energy source and provides constant light intensity of the LEDs independent from an input voltage. For this purpose, the circuit contains a step-up converter arranged in the circuit in a way, that the step- up converter outputs a voltage adapted to a forward voltage of the at least one LED at a constant current independent from an input voltage provided by the energy source.

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