CPC H01L 33/504 (2013.01) [H01L 25/0753 (2013.01); H01L 33/486 (2013.01); H01L 33/60 (2013.01); H01L 33/62 (2013.01)] | 7 Claims |
1. A tunable lighting system comprising:
a first lighting device configured to emit a first light, the first light having a first m/p ratio; and
a second lighting device configured to emit a second light, the second light having a second m/p ratio that is smaller than the first m/p ratio, the tunable lighting system configured to emit a third light including at least one of the first light, the second light, or a combination of the first light and the second light,
the first lighting device comprising:
a light source, the light source including a royal-blue light having a royal-blue light emitting surface and a blue light having a blue light emitting surface; and
a wavelength converting structure disposed over the royal-blue light emitting surface and the blue light emitting surface, the wavelength converting structure including a mixture of a green phosphor and a red phosphor.
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