German scientists said Wednesday they had tweaked organic light-emitting diodes (OLEDs) -- the materials used in flat-screen TVs, laptop computer screens and mobile phone displays -- to become flexible, energy-efficient sources ...
Engineering
May 13, 2009
0
0
Most Christmas lights, DVD players, televisions and flashlights have one thing in common: they're made with light emitting diodes (LEDs). LEDs are widely used for a variety of applications and have been a popular, more efficient ...
Nanophysics
Oct 13, 2015
0
92
Today's light-emitting diode light bulbs have a slight environmental edge over compact fluorescent lamps. And that gap is expected to grow significantly as technology and manufacturing methods improve in the next five years, ...
Energy & Green Tech
Sep 5, 2012
15
1
Researchers at the University of Pennsylvania have pioneered a process that could enable the efficient recycling of rare-earth metals, which are found in many high-tech devices. Mining and purifying rare-earth metals is not ...
Materials Science
Dec 12, 2016
1
17
Enhancing and manipulating the light emission of organic molecules is at heart of many important technological and scientific advances, including in the fields of organic light emitting devices, bio-imaging, bio-molecular ...
Optics & Photonics
Aug 6, 2013
1
0
Just a few years ago, most conversations Christian Wetzel had about his research began with a quick explanation of LEDs.
Engineering
Sep 2, 2009
0
0
Fujitsu Laboratories announced the development of a thin, light-weight beacon, weighing 3 grams with a thickness of 2.5 millimeters, that does not require battery replacement or other maintenance and is flexible enough for ...
Engineering
Mar 25, 2015
0
36
When semiconductor nanorods are exposed to light, they blink in a seemingly random pattern. By clustering nanorods together, physicists at the University of Pennsylvania have shown that their combined "on" time is increased ...
Nanophysics
Jun 23, 2011
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0
As four women stepped onto exercise machines and began their workouts at Drexel University's recreation center, a small neon sign nearby began to glow.
Energy & Green Tech
Sep 26, 2011
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0
For years, companies have been adding whiteners to laundry detergent, paints, plastics, paper and fabrics to make whites look "whiter than white," but now, with a switch away from incandescent and fluorescent lighting, different ...
Other
Apr 18, 2014
12
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