News tagged with led

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Nanoworld in color

Lights off – projector on. Lecture theaters, conference halls and seminar rooms currently have to be darkened if the speaker wants to project a presentation on screen. Unfortunately, the attention of ...

Jan 21, 2011
4.2 / 5 (5) 4

Samsung LED seeks US import ban on Osram products

(AP) -- A Samsung unit is raising the ante in a patent dispute with a German rival over energy-saving LED lighting amid intensifying legal disputes among global companies jockeying for supremacy in key consumer technologies.

Jul 18, 2011
5 / 5 (1) 2

Powerful LED flash for smartphones

Researchers from Osram Opto Semiconductors have developed an LED chip that makes it possible to offer smaller pocket projectors, vehicle headlights, and cell phone camera flashes. In combination with a new ...

Nov 26, 2010
4.7 / 5 (6) 3

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

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

All That Glitters Is Now Gold

(PhysOrg.com) -- In full sunlight at mid-day, gold objects are brilliant and richly colored. Put those same objects in a dark interior room with only fluorescent lamps, however, and they will look pale and ...

Oct 01, 2009
3.4 / 5 (5) 0

LEDs bringing good things to light

Forecasting the future of technology is anything but an exact science. In late 2006, for instance, my colleagues and I put together an article outlining our predictions for the top 10 tech trends for 2007. My record was, ...

Jul 01, 2010
3 / 5 (3) 1