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LEDs on silicon can reduce production costs

A new manufacturing technology is expected to greatly reduce the cost of light-emitting diodes (LEDs) in the future. For the first time ever, researchers at the Siemens subsidiary Osram Opto Semiconductors ...

dateMay 21, 2012 in Semiconductors
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Mini-projector for smartphones

Their very small displays sometimes make smartphones diffi cult to operate. In the future, a projector will help: if the cell phone is standing on a table, for instance, it can project a large-format display ...

dateMay 10, 2012 in Hi Tech & Innovation
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Electrical engineers develop LED 'Magic Wands'

Engineers from the University of Bristol have developed illuminating ‘magic wands’ that work by picking up radio signals from mobile devices. The wands, to be showcased on BBC’s Bang Goes the ...

dateApr 17, 2012 in Telecom
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LED's efficiency exceeds 100%

(PhysOrg.com) -- For the first time, researchers have demonstrated that an LED can emit more optical power than the electrical power it consumes. Although scientifically intriguing, the results won’t ...

dateMar 05, 2012 in General Physics report
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All set and ready to glow

A new technique that paves the way for manufacturing affordable LED light bulbs is to be exploited in the UK, in a deal that researchers say could have a dramatic impact on carbon emissions.

dateFeb 07, 2012 in Energy & Green Tech
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LED lights point shoppers in the right direction

Looking for an item in a large department store or mall can be like searching for a needle in a haystack, but that could change thanks to a hybrid location-identification system that uses radio frequency transmitters and ...

dateJan 26, 2012 in Engineering
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