News tagged with leds

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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 ...

May 21, 2012
4.4 / 5 (9) 0

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 ...

May 10, 2012
not rated yet 1

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 ...

Apr 17, 2012
5 / 5 (1) 0

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 ...

Mar 05, 2012 report
4.2 / 5 (78) 60 | with audio podcast

Samsung commits to LED screens, will spin off LCD unit

Samsung Electronics Co. is spinning off its LCD display manufacturing business and merging with its smaller LED display unit in a move that reveals the company's vision of the future of televisions and mobile screens.

Feb 21, 2012
not rated yet 0

Soraa LED light may dim 50-watt halogen rivals

(PhysOrg.com) -- Soraa, a Fremont, California company founded in 2008, this week launched its first product, a light that uses LEDS (light emitting diodes). The "Soraa LED MR16 lamp" is the "perfect" replacement ...

Feb 09, 2012 report
4.3 / 5 (29) 24 | with audio podcast

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.

Feb 07, 2012
5 / 5 (1) 1

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 ...

Jan 26, 2012
2 / 5 (2) 0 | with audio podcast

Sky light sky bright - in the office

Working under the open sky – it sounds enticing, but it’s seldom really a practical option. Now, a dynamic luminous ceiling brings the sky into office spaces by creating the effect of passing clouds. ...

Jan 03, 2012
4.5 / 5 (6) 3 | with audio podcast