Blue LEDs – Filling the world with new light
technology. Incandescent light bulbs had lit the ˝˙th century; the ˝ˆst century will be lit by LED lamps. Saving energy and resources A light-emitting diode consists of a number of layered semiconductor materials. In the LED, electricity is directly converted into light particles, photons, leading to e˜ciency gains compared to other light
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