Wednesday, September 19, 2007

 

LED flashlights

Electronically regulated, variable output LED flashlights flashlightRecently, flashlights which use light-emitting diodes (LEDs) instead of conventional lightbulbs have become available. LEDs have existed for decades, mainly as low-power indicator lights. In 1999, Lumileds Corporation [1] of San Jose, CA introduced the Luxeon LED, a high-power white-light emitter. For the first time this made possible LED flashlights with power and running time better than some incandescent lights. The first Luxeon LED flashlight was the Arc LS in 2001.

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