Lighting device and lighting method

Details Lighting device and lighting method Lighting device and lighting method

2011-03-08

2011-03-08

Husar, Stephen F (Department: 2875)

Illumination

Plural light sources

Particular wavelength

C362S545000, C257S089000, C257S098000, C313S485000, C315S307000

Reexamination Certificate

active

07901107

ABSTRACT:
A lighting device comprising one or more solid state light emitters which emit near ultraviolet light and one or more lumiphors which emit light having a wavelength in the range of from 490 nm to 555 nm, which in the absence of other light would produce a mixture of light within an area defined by x, y coordinates (0.32, 0.40), (0.36, 0.48), (0.43, 0.45), (0.42, 0.42), and (0.36, 0.38). The lighting device may further comprise one or more 600 nm to 630 nm light emitters, and a mixture of light emitted from the lighting device may be within ten MacAdam ellipses of the blackbody locus. Also, packaged solid state light emitters and methods of lighting.

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