Light emitting diode bulb

Details Light emitting diode bulb Light emitting diode bulb

H - Electricity

05

B

H05B 37/02 (2006.01) F21K 99/00 (2010.01) F21V 23/00 (2006.01)

Patent

CA 2740631

A LED bulb comprising a support having at least one LED mounted on a first side, the at least one LED being electrically coupled to a circuit mounted on a second side of the support for driving the LED bulb at a first or a second light intensity level, the circuit comprising input terminals connectable to a power supply for receiving an input voltage; a LED driver component for adjusting the input voltage supplied to the at least one LED; a comparator circuit for detecting the input voltage and if above a threshold voltage closing a switch to drive the LED bulb at the first light intensity level.

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