The present invention relates to a surface lighting device, in which plural light-emitting elements corresponding to plural colors including at least red, green and blue, that is, LEDs (Light Emitting Diodes) capable of emitting light of primary colors are arranged to form a surface light source, and...http://www.google.com.au/patents/US20040218388?utm_source=gb-gplus-sharePatent US20040218388 - Surface lighting device and liquid crystal display device using the same
