Patent ID: 7453217
Filing Date: 2008-11-18
Classification: A61N,B60Q,H05B,Y10S

Abstract:
1. A method of providing illumination in a marketplace, comprising: a) illuminating at least one article in the marketplace with variable color light from a plurality of LEDs, the marketplace comprising a consumer environment configured for the sale or purchase of goods or services, the plurality of LEDs comprising a first LED providing a first output having a first spectrum and a second LED providing a second output having a second spectrum, the first spectrum being different than the second spectrum; and b) independently controlling at least one of the first output and the second output so as to vary a spectral content of the variable color light, wherein the step b) comprises dynamically varying over a period of time at least one of the first output and the second output, whereby the spectral content of the variable color light varies over the period of time in response to at least one action of a person in a vicinity of the at least one article.