Patent ID: 8508127

Claim:
A lighting device wherein any of the first lumiphor and the second lumiphor is disposed relative to the first emitter and the second emitter in a quantity or concentration that differs with respect to the first emitter and the second emitter comprising: at least one solid state emitter having a dominant wavelength in a range of from 430 nm to 470 nm; a first lumiphor having a dominant wavelength in a range of from 471 nm to 484 nm; a second lumiphor having a dominant wavelength in a range of from 511 nm to 585 nm; and a third lumiphor having a dominant wavelength in a range of from 600 nm to 650 nm; wherein the first lumiphor, the second lumiphor, and the third lumiphor are arranged to receive emissions from the at least one solid state emitter; and wherein spectral output of the lighting device includes in combination at least a portion of emissions from each of the at least one solid state emitter, the first lumiphor, the second lumiphor, and the third lumiphor.