Lighting device implemented through utilizing insulating...

Details Lighting device implemented through utilizing insulating... Lighting device implemented through utilizing insulating...

H - Electricity

05

B

H05B 37/02 (2006.01) G02F 1/13357 (2006.01)

Patent

CA 2690683

A lighting device implemented through utilizing an insulating type piezoelectric transformer in driving light-emitting-diodes (LEDs), comprising at least said insulating type piezoelectric transformer connected to an LED module, a primary side of said insulating type piezoelectric transformer is used to receive a pulse voltage, and that is converted into an AC voltage in a piezoelectric voltage transformation way, and said AC voltage is output from a secondary side of said insulating type piezoelectric transformer to said LED module in proceeding with lighting function. Due to its various advantages of small leakage current, good insulation capability, high voltage endurance, low operation temperature, compact size, thin profile, high energy conversion efficiency, said insulating type piezoelectric transformer can be used to not only raise lighting efficiency, but also reduce overall size of said lighting device.

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