News tagged with light emitting diode

Laser diodes versus LEDs

Solid-state lighting based on light-emitting diodes (LEDs) is the most efficient source of high color quality white light. Nevertheless, they show significant performance limitations such as the "efficiency ...

Nov 11, 2013
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Light technologies illuminate global challenges

During these dark winter months, spare a thought for artificial lights. From strings of lights adding holiday cheer to artificial sunlamps alleviating seasonal affective disorder, they brighten our days. ...

Jan 13, 2015
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Large-surface light-emitting plastic film

Based on OLED technology and implemented by means of a printing machine, this method developed by VTT Technical Research Centre of Finland Ltd provides an opportunity to create patterned and flexible light-emitting ...

Mar 03, 2015
4.5 / 5 (2) 1

'Greening' your flat screen TV

Electronic products pollute our environment with a number of heavy metals before, during and after they're used. In the U.S. alone, an estimated 70% of heavy metals in landfill come from discarded electronics. ...

Aug 25, 2010
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Scientists grow 'sea urchin'-shaped structures

Swiss researchers have succeeded in growing sea-urchin shaped nanostructures from minute balls of polystyrene beads using a simple electrochemical process. The spines of the sea urchin consist of zinc oxide ...

Jul 29, 2010
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