Patent attributes
A system including a first set of light emitting diodes, a second set of light emitting diodes, and a control module. The first set of light emitting diodes is configured to emit blue light having first wavelengths in a first wavelength range in a spectrum of blue light. The first set of light emitting diodes includes a green phosphor configured to convert the blue light having the first wavelengths to green light. The second set of light emitting diodes is configured to emit blue light having second wavelengths in a second wavelength range in the spectrum of blue light. The second set of light emitting diodes includes a red phosphor configured to convert the blue light having the second wavelengths to red light. The first wavelength range is less than the second wavelength range. The control module is configured to control currents through the first set of light emitting diodes and the second set of light emitting diodes.
