Magnetics-Free LED Light Engine With High Performance And Low Profile Design

摘要

A light emitting diode (LED) light engine includes an LED circuit board including a light emitting circuit. The LED light engine also includes a driver circuit configured to drive a plurality of LEDs arranged in the light emitting circuit. The driver circuit does not include components with a magnetic field for the purpose of power conversion. An LED light engine including an outermost dimension of less than about one inch is also provided.

主权项

1. A light emitting diode (LED) light engine comprising:
an AC power input configured to supply power; at least one LED light emitting circuit comprising a plurality of LEDs; and at least one LED driving circuit configured to drive the plurality of LEDs of the LED light emitting circuit, wherein the driving circuit does not comprise components with a magnetic field for the purpose of power conversion, and a plurality of semiconductor switches, wherein each of the plurality of semiconductor switches is electrically connected in at least one of parallel and series with a plurality of the LEDs of the LED light emitting circuit.