An electrically driven L.E.D. lamp assembly (14) comprising an electrically insulating circuit board (26) having opposed first and second surfaces with light emitting diodes (28) having positive and negative leads (30, 32) mounted on the first surface. A plurality of holes extend through the board (26)...http://www.google.de/patents/US6045240?utm_source=gb-gplus-sharePatent US6045240 - LED lamp assembly with means to conduct heat away from the LEDS
