A linear light emitting diode (LED) light including electrical-to-optical converters (EOs) on circuit boards in end housings to couple photons into ends of an acrylic rod. Photons from the electrical-to-optical converters radiate from the acrylic rod to light the space around the linear LED light....http://www.google.de/patents/US6634779?utm_source=gb-gplus-sharePatent US6634779 - Method and apparatus for linear led lighting
