Light-emitting diode Archives – The Green Optimistic

LEDs Improve People’s Health and Wellbeing, Besides Being Energy-Efficient

Mila Luleva — Wed, 27 Mar 2013 19:54:35 +0000

New research in the field of light-emitting diodes (LEDs) is being conducted at the TU Darmstadt’s Institute for Lighting Technologies, with a main focus on human perception, health and wellbeing. The main advantage of LEDs, and the reason why they are being increasingly used as streetlights, automobile taillights, and indoor building lighting systems, is the […]

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Chinese LEDs Get 122% More Efficient by Copper Substrate Transplant

Ovidiu Sandru — Fri, 15 Jun 2012 17:49:26 +0000

Gallium nitride (GaN) light emitting diodes, or commonly known as LEDs are usually grown on a layer of silicon – that abundant material that makes up 90+% of Earth’s crust. A team of Chinese researchers have improved their efficiency by transferring them onto a layer of copper. The GaN crystals on the copper substrate were […]

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Power-Saving LED Light Bulbs Can Now Transmit Data at 800 Mbps

Ovidiu Sandru — Tue, 02 Aug 2011 08:10:35 +0000

While some people in the Philippines are glad to have sunlight in their homes during the day, scientists from the Heinrich Hertz Institute in Germany have managed to transmit data at 800 Mbps over LED light bulbs, giving them a second reason to exist, besides saving power and carbon dioxide.

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