Color Control of Dynamic Lighting

Abstract

This disclosure relates to methods and systems for adjusting a fixture color to a target color, comprising: a color controller configured to communicate with a first lighting fixture and a second lighting fixture via a network, each lighting fixture comprising at least a first and a second light source emitting light having different first and second source colors, fixture color obtained as a combination of first and second source colors, the color controller having a global gamut for the first lighting fixture and the second lighting fixture, the color controller configured to receive the target color and adjust target color such that the position of target color is a part of global gamut, and the color controller transmits the adjusted target color to a first network driver of the first lighting fixture via the network, and a second network driver of the second lighting fixture via the network.

What is claimed is: 
     
         1 . A method of adjusting fixture colors emitted by at least a first and a second lighting fixture to a target color, where each lighting fixture comprises at least a first and a second light source emitting light having different source colors, and said fixture color is a result of a combination of said source colors, and said fixture color can be varied by varying an intensity of each light source, the method comprising:
 (a) receiving the target color by the first lighting fixture from a color controller via a network;   (b) setting the first lighting fixture, by circuitry of the first lighting fixture, to the target color by using first color parameters stored in the circuitry of the first lighting fixture and based on a previously made color measurement of the first lighting fixture comprising color space information and color gamut values, the measurement occurring prior to receiving the target color by the first lighting fixture set forth in element (a), to vary the intensity of the light sources;   (c) receiving the target color by the second lighting fixture from the color controller via the network; and   (d) setting the second lighting fixture, by circuitry of the second lighting fixture, to the target color by using second color parameters stored in the circuitry of the second lighting fixture and based on a previously made color measurement of the second lighting fixture comprising color space information and color gamut values, the measurement occurring prior to receiving the target color by the second lighting fixture set forth in element (c), to vary the intensity of the light sources.   
     
     
         2 . The method according to  claim 1  characterized in that said method further comprises obtaining color parameters describing the colors of said source colors of said first and second lighting fixtures as a source position on a color map and generating first and second color gamuts using said source positions. 
     
     
         3 . A light adapter for adjusting a fixture color emitted by at least a first and a second lighting fixture to a target color, said light adapter comprising: a color controller configured to communicate with the first lighting fixture and the second lighting fixture via a network, each lighting fixture comprising at least a first and a second light source emitting light having different first and second source colors, and said fixture color is obtained as a combination of said first and second source colors, the color controller having a global gamut for the first lighting fixture and the second lighting fixture, the color controller configured to receive the target color and adjust said target color such that the position of said target color is a part of said global gamut, and the color controller configured to transmit the adjusted target color to a first network driver of the first lighting fixture via the network, and a second network driver of the second lighting fixture via the network. 
     
     
         4 . The light adapter according to  claim 3  wherein the color controller is configured to obtain color parameters describing the color of said first and second source colors of said first and second lighting fixtures as a source position on a color map and to generate said global gamut using said color parameters.