In one aspect, a compact, lightweight, high-intensity and long-life LED lighting apparatus is provided. The LED lighting apparatus includes: a lens array including a plurality of lenses; a first circuit board including at least one LED (e.g., a plurality of surface-mount type LEDs); and a second circuit...http://www.google.com.au/patents/US20080025028?utm_source=gb-gplus-sharePatent US20080025028 - LED lighting apparatus
