A light emitting device is produced by depositing a layer of wavelength
converting material over the light emitting device, testing the device to
determine the wavelength spectrum produced and correcting the wavelength
converting member to produce the desired wavelength spectrum. The
wavelength converting member may be corrected by reducing or increasing
the amount of wavelength converting material. In one embodiment, the
amount of wavelength converting material in the wavelength converting
member is reduced, e.g., through laser ablation or etching, to produce
the desired wavelength spectrum.