Techniques for light emitting diode (LED) lighting with heat spreading in illumination gaps. Inexpensive structural aluminum may be suitably employed to form a passive heat spreading mount for plural LEDs whose illumination collectively combines to provide the light needed by a particular lighting fixture,...http://www.google.de/patents/US20090316408?utm_source=gb-gplus-sharePatent US20090316408 - Methods and Apparatus for LED Lighting with Heat Spreading in Illumintion Gaps
