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LIGHTING DEVICE AND LIGHTING METHOD

  • US 20080130285A1
  • Filed: 11/30/2007
  • Published: 06/05/2008
  • Est. Priority Date: 12/01/2006
  • Status: Active Grant
First Claim
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1. A lighting device comprising:

  • a first group of solid state light emitters, said first group of solid state light emitters including at least one solid state light emitter;

    a first group of lumiphors, said first group of lumiphors including at least one lumiphor; and

    at least a first power line, each of said first group of solid state light emitters being electrically connected to said first power line,wherein;

    if current is supplied to said first power line;

    a combination of (1) light exiting said lighting device which was emitted by said first group of solid state light emitters, and (2) light exiting said lighting device which was emitted by said first group of lumiphors would, in an absence of any additional light, produce a mixture of light 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 a fifth point, and 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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