Lighting device and lighting method
First Claim
Patent Images
1. A lighting device comprising:
- a first group of solid state light emitters; and
at least a first luminescent material;
wherein;
if said first group of solid state light emitters is illuminated and at least a portion of said first luminescent material is excited, a mixture of light emitted from said first group of solid state light emitters and said first luminescent material would, in the absence of any additional light, have a first group mixed illumination having x, y color coordinates which define a point which is within an area on a 1931 CIE Chromaticity Diagram enclosed by first, second, third, fourth and fifth line segments, said first line segment connecting a first point to a second point, said second line segment connecting said second point to a third point, said third line segment connecting said third point to a fourth point, said fourth line segment connecting said fourth point to said fifth point, said fifth line segment connecting said fifth point to said first point, said first point having x, y coordinates of 0.32, 0.40, said second point having x, y coordinates of 0.36, 0.48, said third point having x, y coordinates of 0.43, 0.45, said fourth point having x, y coordinates of 0.42, 0.42, and said fifth point having x, y coordinates of 0.36, 0.38.
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Accused Products
Abstract
There is provided a lighting device comprising one or more groups of solid state light emitters and one or more groups hof lumiphors, which emits mixed illumination having x, y color coordinates within a region defined by (0.32, 0.40), (0.36, 0.38), (0.41, 0.455), and (0.36, 0.48). Also, such lighting devices which emit light having x, y color coordinates within other specified regions. Also, such lighting devices with respective groups which emit light within two specified regions, and which mix to produce light within such regions. Also, methods of lighting light from such emitters and/or lumiphors.
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Citations
46 Claims
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1. A lighting device comprising:
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a first group of solid state light emitters; and at least a first luminescent material; wherein; if said first group of solid state light emitters is illuminated and at least a portion of said first luminescent material is excited, a mixture of light emitted from said first group of solid state light emitters and said first luminescent material would, in the absence of any additional light, have a first group mixed illumination having x, y color coordinates which define a point which is within an area on a 1931 CIE Chromaticity Diagram enclosed by first, second, third, fourth and fifth line segments, said first line segment connecting a first point to a second point, said second line segment connecting said second point to a third point, said third line segment connecting said third point to a fourth point, said fourth line segment connecting said fourth point to said fifth point, said fifth line segment connecting said fifth point to said first point, said first point having x, y coordinates of 0.32, 0.40, said second point having x, y coordinates of 0.36, 0.48, said third point having x, y coordinates of 0.43, 0.45, said fourth point having x, y coordinates of 0.42, 0.42, and said fifth point having x, y coordinates of 0.36, 0.38. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 44)
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11. A lighting device comprising:
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a first group of solid state light emitters; and at least a first luminescent material; wherein; if said first group of solid state light emitters is illuminated and at least a portion of said first luminescent material is excited, a mixture of light emitted from said first group of solid state light emitters and said first luminescent material would, in the absence of any additional light, have a first group mixed illumination having x, y color coordinates which define a point which is within an area on a 1931 CIE Chromaticity Diagram enclosed by first, second, third and fourth line segments, said first line segment connecting a first point to a second point, said second line segment connecting said second point to a third point, said third line segment connecting said third point to a fourth point, said fourth line segment connecting said fourth point to said first point, said first point having x, y coordinates of 0.36, 0.48, said second point having x, y coordinates of 0.43, 0.45, said third point having x, y coordinates of 0.5125, 0.4866, and said fourth point having x, y coordinates of 0.4087, 0.5896. - View Dependent Claims (12, 13, 14, 15, 16, 45)
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17. A lighting device comprising:
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a first group of solid state light emitters; at least a first luminescent material; a second group of solid state light emitters; and at least a second luminescent material; wherein; if said first group of solid state light emitters is illuminated and at least a portion of said first luminescent material is excited, a mixture of light emitted from said first group of solid state light emitters and said first luminescent material would, in the absence of any additional light, have a first group mixed illumination having x, y color coordinates which define a point which is within an area on a 1931 CIE Chromaticity Diagram enclosed by first, second, third and fourth line segments, said first line segment connecting a first point to a second point, said second line segment connecting said second point to a third point, said third line segment connecting said third point to a fourth point, and said fourth line segment connecting said fourth point to said first point, said first point having x, y coordinates of 0.36, 0.48, said second point having x, y coordinates of 0.43, 0.45, said third point having x, y coordinates of 0.5125, 0.4866, and said fourth point having x, y coordinates of 0.4087, 0.5896; if said second group of solid state light emitters is illuminated and said second luminescent material is excited, a mixture of light emitted from said second group of solid state light emitters and said second luminescent material would, in the absence of any additional light, have a second group mixed illumination having x, y color coordinates which define a point which is within an area on a 1931 CIE Chromaticity Diagram enclosed by fifth, sixth, seventh and eighth line segments, said fifth line segment connecting a fifth point to a sixth point, said sixth line segment connecting said sixth point to a seventh point, said seventh line segment connecting said seventh point to an eighth point, and said eighth line segment connecting said eighth point to said fifth point, said fifth point having x, y coordinates of 0.32, 0.40, said sixth point having x, y coordinates of 0.36, 0.38, said seventh point having x, y coordinates of 0.30, 0.26, and said eighth point having x, y coordinates of 0.25, 0.29; if said first group of solid state light emitters and said second group of solid state light emitters is illuminated and at least a portion of said first luminescent material and at least a portion of said second luminescent material are excited, a mixture of light emitted from said first group of solid state light emitters, said second group of solid state light emitters, said first luminescent material and said second luminescent material would, in the absence of any additional light, have a first group-second group mixed illumination having x, y color coordinates which define a point which is within an area on a 1931 CIE Chromaticity Diagram enclosed by ninth, tenth, eleventh, twelfth and thirteenth line segments, said ninth line segment connecting a ninth point to a tenth point, said tenth line segment connecting said tenth point to an eleventh point, said eleventh line segment connecting said eleventh point to a twelfth point, said twelfth line segment connecting said twelfth point to a thirteenth point, and said thirteenth line segment connecting said thirteenth point to said ninth point, said ninth point having x, y coordinates of 0.32, 0.40, said tenth point having x, y coordinates of 0.36, 0.48, said eleventh point having x, y coordinates of 0.43, 0.45, said twelfth point having x, y coordinates of 0.42, 0.42, and said thirteenth point having x, y coordinates of 0.36, 0.38. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 46)
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30. A method of lighting, comprising:
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mixing light from a first group of at least one solid state light emitter and light from a first luminescent material to form first group mixed illumination; said first group mixed illumination having x, y color coordinates which define a point which is within an area on a 1931 CIE Chromaticity Diagram enclosed by first, second, third, fourth and fifth line segments, said first line segment connecting a first point to a second point, said second line segment connecting said second point to a third point, said third line segment connecting said third point to a fourth point, said fourth line segment connecting said fourth point to said fifth point, said fifth line segment connecting said fifth point to said first point, said first point having x, y coordinates of 0.32, 0.40, said second point having x, y coordinates of 0.36, 0.48, said third point having x, y coordinates of 0.43, 0.45, said fourth point having x, y coordinates of 0.42, 0.42, and said fifth point having x, y coordinates of 0.36, 0.38. - View Dependent Claims (31, 32, 33)
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34. A method of lighting, comprising:
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mixing light from a first group of at least one solid state light emitter and light from a first luminescent material to form first group mixed illumination; said first group mixed illumination having x, y color coordinates which define a point which is within an area on a 1931 CIE Chromaticity Diagram enclosed by first, second, third and fourth line segments, said first line segment connecting a first point to a second point, said second line segment connecting said second point to a third point, said third line segment connecting said third point to a fourth point, said fourth line segment connecting said fourth point to said first point, said first point having x, y coordinates of 0.36, 0.48, said second point having x, y coordinates of 0.43, 0.45, said third point having x, y coordinates of 0.5125, 0.4866, and said fourth point having x, y coordinates of 0.4087, 0.5896. - View Dependent Claims (35, 36, 37, 38)
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39. A method of lighting, comprising:
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mixing light from a first group of at least one solid state light emitter, light from a second group of at least one solid state light emitter, light from a first luminescent material and light from a second luminescent material to form first group-second group mixed illumination; said first group-second group mixed illumination having x, y color coordinates which define a point which is within an area on a 1931 CIE Chromaticity Diagram enclosed by ninth, tenth, eleventh, twelfth and thirteenth line segments, said ninth line segment connecting a ninth point to a tenth point, said tenth line segment connecting said tenth point to an eleventh point, said eleventh line segment connecting said eleventh point to a twelfth point, said twelfth line segment connecting said twelfth point to a thirteenth point, and said thirteenth line segment connecting said thirteenth point to said ninth point, said ninth point having x, y coordinates of 0.32, 0.40, said tenth point having x, y coordinates of 0.36, 0.48, said eleventh point having x, y coordinates of 0.43, 0.45, said twelfth point having x, y coordinates of 0.42, 0.42, and said thirteenth point having x, y coordinates of 0.36, 0.38, wherein; a mixture of light emitted from said first group of solid state light emitters and said first luminescent material would, in the absence of any additional light, have a first group mixed illumination having x, y color coordinates which define a point which is within an area on a 1931 CIE Chromaticity Diagram enclosed by first, second, third and fourth line segments, said first line segment connecting a first point to a second point, said second line segment connecting said second point to a third point, said third line segment connecting said third point to a fourth point, and said fourth line segment connecting said fourth point to said first point, said first point having x, y coordinates of 0.36, 0.48, said second point having x, y coordinates of 0.43, 0.45, said third point having x, y coordinates of 0.5125, 0.4866, and said fourth point having x, y coordinates of 0.4087, 0.5896, and a mixture of light emitted from said second group of solid state light emitters and said second luminescent material would, in the absence of any additional light, have a second group mixed illumination having x, y color coordinates which define a point which is within an area on a 1931 CIE Chromaticity Diagram enclosed by fifth, sixth, seventh and eighth line segments, said fifth line segment connecting a fifth point to a sixth point, said sixth line segment connecting said sixth point to a seventh point, said seventh line segment connecting said seventh point to an eighth point, and said eighth line segment connecting said eighth point to said fifth point, said fifth point having x, y coordinates of 0.32, 0.40, said sixth point having x, y coordinates of 0.36, 0.38, said seventh point having x, y coordinates of 0.30, 0.26, and said eighth point having x, y coordinates of 0.25, 0.29. - View Dependent Claims (40, 41, 42, 43)
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Specification