Patent ID: 8820960

Claim:
A light emitting device comprising: a white light emitting unit including a first light source emitting a white light; a red light emitting unit including a second light source emitting a white light and a red coating member having a red fluorescent material which converts the white light from the second light source into a red light; a green light emitting unit including a third light source emitting a white light and a green coating member having a green fluorescent material which converts the white light from the third light source into a green light; and a driver configured to individually drive the white, the red and the green light emitting unit wherein each, of the first, the second and the third light source includes an LED chip emitting a first light and a fluorescent substance which converts the first light into a second light, and wherein each of the first, the second and the third light source emits the white light by mixing a part of the first light not-converted by the fluorescent substance and the second light produced by the fluorescent substance.