Patent ID: 9179509
Filing Date: 2015-11-03
Classification: H05B,Y02B

Abstract:
1. A circuit comprising: a light emitting diode (LED) assembly comprising a plurality of LED channels that are controlled independently, wherein each LED channel of said plurality of LED channels comprises a cathode and an anode; N+1 wires respectively coupled to N+1 terminals of said LED assembly, where N is equal to the number of said plurality of LED channels of said LED assembly, wherein one of said N+1 wires is coupled to an input terminal of said LED assembly, wherein the input terminal is coupled to said anodes of each LED channel of said plurality of LED channels, and wherein not more than said N+1 wires are coupled to said LED assembly; and a plurality of switch mode drivers, each switch mode driver coupled to a corresponding LED channel of said plurality of LED channels, wherein each switch mode driver comprises: