an integrated dual day night backlight includes a flat channel light source with an auxiliary night light source suitably filtered to remove infrared components from the illumination . in alternative embodiments , the night light can be a separate bulb or it can be separate light channels within the flat channel source . the night illumination is directed through the edge of the light transmissive face plate that covers the main or day channel . the light directing means can be an inner reflecting surface of the face plate or can be a separate reflective element that redirects the illumination from the night channel through the edge of the transmissive face plate .