Patent ID: 8310143

Claim:
A lighting device comprising: at least one solid state light emitter; and at least one lumiphor; wherein: if each of said at least one solid state light emitter is illuminated and each of said at least one lumiphor is excited, a mixture of light exiting the lighting device that was emitted from said at least one solid state light emitter and light exiting the lighting device that was emitted from said at least one lumiphor would, in the absence of any additional light, have a 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 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, and said at least one lumiphor comprises phosphor particles, at least some of said phosphor particles having particle sizes in the range of from about 3 micrometers to about 7 micrometers, said lighting device, when supplied with electricity, emitting output light with a wall plug efficiency of at least 60 lumens per watt of said electricity.