Patent ID: 8487331

Claim:
A liquid crystal display device comprising: a white light emitting diode generating white light; and a color filter which realizes images using the white light generated by the white light emitting diode, the white light emitting diode including: a blue light emitting diode light source generating light; and a light conversion layer which converts incident light from the blue light emitting diode light source to the white light, and the light conversion layer including: a green light emitting member comprising green light emitting semiconductor nanocrystal; and a red light emitting member comprising red light emitting semiconductor nanocrystal, wherein the green and red light emitting members exclude inorganic phosphor, wherein a light emitting peak wavelength of the green light emitting semiconductor nanocrystal is about 520 nanometer or more, a light emitting peak wavelength of the red semiconductor nanocrystal is about 610 nanometer or more, and full width at half maximum of light emitting peaks of the green and red light emitting semiconductor nanocrystals are about 45 nanometer or less, a green color filter transmission rate of a light emitting spectrum of the green light emitting semiconductor nanocrystal is about 90% or more, and a red color filter transmission rate of the light emitting spectrum of the green light emitting semiconductor nanocrystal is less than about 10%, and a red color filter transmission rate of a light emitting spectrum of the red light emitting semiconductor nanocrystal is about 90% or more, and a green color filter transmission rate of the light emitting spectrum of the red light emitting semiconductor nanocrystal is less than about 10%.