Patent ID: 6369525
Filing Date: 2002-04-09
Classification: H02M,H05B,Y02B,Y10S

Abstract:
A driver circuit comprising:a power supply source; a transformer having a primary winding coupled to, and configured to receive current from, said power supply, and a plurality of secondary windings coupled to said primary winding; a plurality of light-emitting-diode arrays, each said light-emitting-diode array coupled to one of said plurality of secondary windings; a main controller coupled to a first of said light-emitting-diode arrays and configured to control a flow of current to said primary transformer winding; a plurality of secondary controllers, each of said secondary controllers coupled to a second and third of said plurality of light-emitting diodes, wherein said secondary controllers are configured to control a flow of current to a corresponding light-emitting-diode array.