Methods and apparatus for generating and modulating white light illumination conditions
First Claim
1. A method of providing illumination in a marketplace, comprising:
- a) generating radiation using a plurality of LEDs, the radiation comprising essentially white light and having an adjustable spectral content;
b) illuminating at least one article in the marketplace with the generated radiation; and
c) controlling the spectral content of the generated radiation.
1 Assignment
0 Petitions
Accused Products
Abstract
Methods and apparatus for generating and modulating white light illumination conditions. Examples of applications in which such methods and apparatus may be implemented include retail environments (e.g., food, clothing, jewelry, paint, furniture, fabrics, etc.) or service environments (e.g., cosmetics, hair and beauty salons and spas, photography, etc.) where visible aspects of the products/services being offered are significant in attracting sales of the products/services. Other applications include theatre and cinema, medical and dental implementations, as well as vehicle-based (automotive) implementations. In another example, a personal grooming apparatus includes one or more light sources disposed in proximity to a mirror and configured to generate variable color light, including essentially white light, whose color temperature may be controlled by a user.
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Citations
94 Claims
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1. A method of providing illumination in a marketplace, comprising:
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a) generating radiation using a plurality of LEDs, the radiation comprising essentially white light and having an adjustable spectral content;
b) illuminating at least one article in the marketplace with the generated radiation; and
c) controlling the spectral content of the generated radiation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A marketplace, comprising:
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at least one article for sale to a purchaser;
at least one LED-based light source configured such that radiation comprising essentially white light, when generated by the source, impinges on the at least one article; and
at least one controller coupled to the at least one LED-based light source and configured to control a spectral content of the radiation. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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37. A method of illuminating a region of a marketplace, comprising:
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providing a customer with an interface configured to facilitate an adjustment of a spectral content of essentially white light in the region of the marketplace;
locating at least one article in the region of the marketplace such that at least some of the essentially white light, when generated, impinges on the at least one article; and
varying the spectral content of the essentially white light in response to customer operation of the interface. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53)
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54. A method of providing illumination in a marketplace, comprising:
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a) illuminating at least one article in the marketplace with essentially white light from a plurality of LEDs, 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 essentially white light. - View Dependent Claims (55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74)
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75. A method of providing illumination in a marketplace, comprising:
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illuminating a first article in a first portion of the marketplace with first essentially white light produced by a first plurality of LEDs, the first plurality of LEDs comprising a first LED having a first spectrum and a second LED having a second spectrum, the first spectrum being different than the second spectrum;
illuminating a second article in a second portion of the marketplace with second essentially white light produced by a second plurality of LEDs, the second plurality of LEDs comprising a third LED having a third spectrum and a fourth LED having a fourth spectrum, the third spectrum being different than the fourth spectrum; and
controlling a light output of at least one of the first LED, the second LED, the third LED and the fourth LED such that a first color temperature of the first light is controlled independently of a second color temperature of the second light. - View Dependent Claims (76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93)
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94. A method of illumination, comprising:
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illuminating a first room with first essentially white light;
measuring a first spectral content of the first essentially white light;
illuminating a second room with second essentially white light produced by a plurality of LEDs, a first LED of the plurality of LEDs having a first spectrum and a second LED of the plurality of LEDs having a second spectrum, the first spectrum being different than the second spectrum; and
adjusting a light output of at least one of the first LED and the second LED such that a second spectral content of the second light is substantially the same as the first spectral content of the first light.
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Specification