The present invention relates to a light-emitting diode (“LED”) display apparatus used for a display such as a type of standing signboard. The light-emitting diode display is comprised of light-emitting diodes which use a plurality of colors, including blues, reds and greens, arranged in a specific...http://www.google.se/patents/USRE40953?utm_source=gb-gplus-sharePatent USRE40953 - Light-emitting diode display
