An object of the present invention is to allow electromagnetic wave, which is radiated from a radiation source, to be radiated efficiently from a radiation surface in a surface radiation conversion element such as, for example, a light-guiding plate. The present invention is a surface radiation conversion...http://www.google.ca/patents/US20040228112?utm_source=gb-gplus-sharePatent US20040228112 - Surface radiation conversion element, liquid crystal display device, and method of producing a surface radiation conversion element