News tagged with light emitting diode

Solving an organic semiconductor mystery

Organic semiconductors are prized for light emitting diodes (LEDs), field effect transistors (FETs) and photovoltaic cells. As they can be printed from solution, they provide a highly scalable, cost-effective ...

Jan 16, 2015
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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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Students engineering phone charger for world's needy

A pair of Case Western Reserve University engineering students are field testing their foot-powered cell phone charger in rural villages of the Kingdom of Lesotho, a small country surrounded entirely by South Africa, this ...

Jan 07, 2015
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