News tagged with led

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White LEDs directly on paper

Imagine a white luminous curtain waving in the breeze. Or wallpaper that lights up your room with perfect white light. The applications are not very far away. White LEDs, made from zinc oxide and a conducting polymer, can ...

Jul 10, 2012
4 / 5 (6) 3

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 (76) 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