News tagged with led

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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

Powerful mini-LEDs for thin touchscreens

Osram Opto Semiconductors has developed an infrared light-emitting diode (IRED) for use in very thin optical touchscreens. Called the SFH 4053, the small new lamps are housed in a frame surrounding a display. ...

Sep 16, 2011
4 / 5 (4) 0

Strength through diversity

(PhysOrg.com) -- Tiny light-emitting diodes with optical microsystems that can produce all the colors of the rainbow, a new method for producing printed circuit boards - Fraunhofer researchers are showing ...

Feb 11, 2009
5 / 5 (1) 0

Green LED is bright enough for large projector

Osram Opto Semiconductors has developed an extremely bright, green light-emitting diode (LED) that makes LED projectors in office environments possible. Projectors in conference rooms have to be very bright ...

Mar 17, 2011
5 / 5 (1) 0

LED glasses step into the light

(PhysOrg.com) -- Light therapy glasses -- spectacles that use inbuilt light emitting diodes (LEDs) to assist in resetting the body's natural clock -- are a step closer to commercial availability with the award ...

Aug 02, 2010
5 / 5 (1) 0

NIST 'Vision Science Facility' aims for lighting revolution

Light-emitting diodes, or LEDs, have become popular with backpackers and cyclists who mount them on headbands for a reliable, hands-free source of illumination. Now, a new lab at the National Institute of Standards and Technology ...

Sep 29, 2010
3.5 / 5 (2) 0