US Patent 7183577 Thin film phosphor-converted light emitting diode device

A light emitting diode capable of emitting first light having a first peak wavelength is combined with a first phosphor layer overlying the light emitting diode, the first phosphor layer capable of absorbing the first light and emitting second light having a second peak wavelength and a second phosphor layer overlying the light emitting diode, the second phosphor layer capable of emitting third light having a third peak wavelength.