A lighting apparatus, comprising: a white light emitting device including at least one first light emitting diode (21, 121a, 121b, 121c) and a wavelength converter (23, 123a, 123b, 123c) to implement white light; and at least one second light emitting diode emitting light suitable for sterilizing at least one pathogenic microorganism, wherein the first light emitting diode emits light having a central wavelength in a range of about 300 nm to about 420 nm, wherein the second light emitting diode emits light having a central wavelength in a range of about 400 nm to about 420 nm, wherein the wavelength converter comprises a plurality of wavelength conversion substances to convert light of the first light emitting diode into white light, wherein the plurality of wavelength conversion substances comprises at least a blue wavelength conversion substance, wherein the lighting apparatus emits the white light implemented in the white light emitting device and light generated by the second light emitting diode to the outside, and wherein, in the irradiance spectrum of the white light implemented in the white light emitting device, the irradiance of the central wavelength of light emitted from the first light emitting diode is smaller than that of a peak wavelength of blue light emitted from the blue wavelength conversion substance of the wavelength conversion substances, characterised in that the irradiance of light generated by the at least one second light emitting diode and emitted to the outside without wavelength conversion is greater than that of light generated by the at least one first light emitting diode and emitted to the outside without wavelength conversion. a white light emitting device including at least one first light emitting diode (21, 121a, 121b, 121c) and a wavelength converter (23, 123a, 123b, 123c) to implement white light; and at least one second light emitting diode emitting light suitable for sterilizing at least one pathogenic microorganism, wherein the first light emitting diode emits light having a central wavelength in a range of about 300 nm to about 420 nm, wherein the second light emitting diode emits light having a central wavelength in a range of about 400 nm to about 420 nm, wherein the wavelength converter comprises a plurality of wavelength conversion substances to convert light of the first light emitting diode into white light, wherein the plurality of wavelength conversion substances comprises at least a blue wavelength conversion substance, wherein the lighting apparatus emits the white light implemented in the white light emitting device and light generated by the second light emitting diode to the outside, and wherein, in the irradiance spectrum of the white light implemented in the white light emitting device, the irradiance of the central wavelength of light emitted from the first light emitting diode is smaller than that of a peak wavelength of blue light emitted from the blue wavelength conversion substance of the wavelength conversion substances, characterised in that the irradiance of light generated by the at least one second light emitting diode and emitted to the outside without wavelength conversion is greater than that of light generated by the at least one first light emitting diode and emitted to the outside without wavelength conversion.