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News articles about "Diode"

Meteorology meets metrology: Climate research high up in the clouds

Barely has the research aircraft HALO entered the kilometre high clouds towering above the Brazilian rainforest than the researchers find themselves in a complete haze but they can rely on the measuring instruments that are ... - Read More

Physicists bind single-atom sheets with the same force geckos use to climb walls

Physicists at the University of Kansas have fabricated an innovative substance from two different atomic sheets that interlock much like Lego toy bricks The researchers said the new material made of a layer of graphene ... - Read More

Thermomagnetic processing method provides path to new materials

For much the same reason LCD televisions offer eye popping performance a thermomagnetic processing method developed at the Department of Energy's Oak Ridge National Laboratory can advance the performance of polymers Polymers are used in ... - Read More

Beyond LEDs: Brighter, new energy-saving flat panel lights based on carbon nanotubes

Even as the 2014 Nobel Prize in Physics has enshrined light emitting diodes LEDs as the single most significant and disruptive energy efficient lighting solution of today scientists around the world continue unabated to search ... - Read More

Miniature light-emitting devices and optical sensors: Pesky insect inspires practical technology

In our vain human struggle to kill flies our hands and swatters often come up lacking This is due to no fault of our own but rather to flies' compound eyes Arranged in a hexagonal ... - Read More

Lasers, night-vision technology help improve imaging of hidden lymphatic system

The human lymphatic system is an important but poorly understood circulatory system consisting of tiny vessels spread throughout the body This drainage network helps guard against infections and prevents swelling which occasionally happens when disease ... - Read More

New record operation temperature for quantum-cascade lasers

For the observation of cold matter in the interstellar medium astronomers need instruments for the detection of terahertz radiation Specific high resolution instruments are based on terahertz quantum cascade lasers but operate only at cryogenic ... - Read More

Two-dimensional material shows promise for optoelectronics: LEDs, photovoltaic cells, and light detectors

A team of MIT researchers has used a novel material that's just a few atoms thick to create devices that can harness or emit light This proof of concept could lead to ultrathin lightweight and ... - Read More

A new renewable energy source? Device captures energy from Earth's infrared emissions to outer space

When the sun sets on a remote desert outpost and solar panels shut down what energy source will provide power through the night A battery perhaps or an old diesel generator Perhaps something strange and ... - Read More

Technique developed to convert thermoelectric material into high performance electricity

Material, Material
A team of Clemson University physicists consisting of nanomaterial scientists Apparao Rao and Ramakrishna Podila and thermoelectricians Terry Tritt Jian He and Pooja Puneet worked synergistically through the newly established Clemson Nanomaterials Center to develop ... - Read More

Novel LEDs pave the way to cheaper displays

Light, Light
Researchers from the universities of Bonn and Regensburg have developed a novel type of organic light emitting diode OLED These lights are suitable for the design of particularly energy efficient cheap displays which find applications ... - Read More

Breakthrough research produces brighter, more efficiently produced lighting

Light, Light
By determining simple guidelines researchers at UC Santa Barbara's Solid State Lighting & amp Energy Center SSLEC have made it possible to optimize phosphors a key component in white LED lighting allowing for brighter more ... - Read More

Go ahead, dunk your cell phone in salt water

Barrier films used in everything from food and drug packaging to consumer electronics and solar cells help prevent your food from spoiling help to preserve medication and protect your electronics from damage due to exposure ... - Read More

Bright, laser-based lighting devices

Laser, Laser
As a modern culture we crave artificial white lights the brighter the better and ideally using less energy than ever before To meet the ever escalating demand for more lighting in more places and to ... - Read More

Wagon-wheel pasta shape for better LED lights

Light, Light
One problem in developing more efficient organic LED light bulbs and displays for TVs and phones is that much of the light is polarized in one direction and thus trapped within the light emitting diode ... - Read More

Electronics advance moves closer to a world beyond silicon

Silicon
Researchers in the College of Engineering at Oregon State University have made a significant advance in the function of metal insulator metal or MIM diodes a technology premised on the assumption that the speed of ... - Read More

World's first large(wafer)-scale production of III-V semiconductor nanowire

Semiconductor, Semiconductor, Semiconductor
Researchers from Ulsan National Institute of Science and Technology UNIST South Korea and University of Illinois U S A developed the large scale heteroepitaxial growth III V nanowires on a Si wafer The research team ... - Read More

Better screens made of organic light diodes: OLED brings out the shine

Light, Light
Screens made of organic light diodes promise unfathomable possibilities Yet high production costs often prevent their widespread use A new kind of production saves not only costs but also improves the radiance of the OLED ... - Read More

Rabbit wears contact lenses with light-emitting diode: New class of transparent, stretchable electrodes

Diode
Ulsan National Institute of Science & amp Technology UNIST has demonstrated that a live rabbit could wear contact lenses fitted with inorganic light emitting diode with no side effects This new class of hybrid transparent ... - Read More

New options for transparent contact electrodes

Materials
Found in flat screens solar modules or in new organic light emitting diode LED displays transparent electrodes have become ubiquitous Typically they consist of metal oxides like In2O3 SnO2 ZnO and TiO2 Share This See ... - Read More
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