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Ambient LED lighting system and method

  • US 8,258,702 B2
  • Filed: 05/21/2009
  • Issued: 09/04/2012
  • Est. Priority Date: 05/21/2008
  • Status: Active Grant
First Claim
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1. An ambient lighting system comprising:

  • a lighting module configured to drive a light emitting device (LED) arrangement to display a desired ambient color in response to a lighting control signal and to transmit a lighting status signal providing diagnostic information for at least one of the lighting module and the LED arrangement;

    a controller configured to;

    transmit the lighting control signal including first digital data indicative of the desired ambient color and a feed signal for powering the lighting module on a bi-directional data communication bus between the controller and the lighting module; and

    receive the lighting status signal on the bi-directional data communication bus;

    wherein the lighting module comprises a comparator configured to receive the first digital data and to compare the first digital data to a predetermined voltage reference to decode the first digital data.

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