A backlight system comprises at least two light-emitting panels (1; 11) having a front wall (2; 12), an opposing rear wall (3; 13) and opposite edge surfaces (4, 14; 5, 15). At least one of the edge surfaces (4; 14) is light-transmitting and associated with a plurality of light sources (6, 16). Light...http://www.google.de/patents/US6648486?utm_source=gb-gplus-sharePatent US6648486 - Illumination system and display device
