Patent ID: 8558476

Claim:
A backlight unit, comprising first light emitting diode (LED) packages and second LED packages that are alternately arranged on a surface of the backlight unit, each of the first and second LED packages being disposed on a different region of the surface of the backlight unit, wherein each first LED package comprises a blue LED chip, a green LED chip, and a first phosphor, the first phosphor being excited by blue light to emit light to be mixed with blue light and green light respectively emitted from the blue LED chip and the green LED chip, the first LED package to thereby emit white light, and wherein each second LED package comprises a blue LED chip, a red LED chip, and a second phosphor, the second phosphor being excited by blue light to emit light to be mixed with blue light and red light respectively emitted from the blue LED chip and the red LED chip, the second LED package to thereby emit white light.