There have been several attempts to develop new light-bulbs in recent years - Light Emitting Diodes (LEDs) have come a long way since they were best known for being indicator lights in electronic devices.

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Subjects stared into a light box containing light-emitting diodes (LEDs) for 60 minutes in each experiment.

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Researchers are working on a new generation of white light-emitting diodes (LEDs) that would be much more efficient than existing light bulbs.

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But high-power light-emitting diodes (LEDs) promise a brighter future in outdoor illumination.

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The most promising alternatives are light-emitting diodes (LEDs).

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All this lighting is done with light-emitting diodes, or LEDs.

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People linger delightedly at the Hotel Habitat by Enric Ruiz-Geli with Cloud 9 Acconci Studio and Ruy Ohtake, a miniature simulacrum of a proposed four-star hotel for Barcelona covered with a web of 5, 000 winking light-emitting diodes, or LEDS, powered by solar cells for a nighttime display of glowing colors.

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As a result devices that use them need fewer LEDs (light-emitting diodes) to provide backlighting, allowing the screen to take up less room and use less power.

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