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47 Current news about the topic leds

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Nanowires could be the LEDs of the future

30-Jun-2015

The latest research from the Niels Bohr Institute shows that LEDs made from nanowires will use less energy and provide better light. The researchers studied nanowires using X-ray microscopy and with this method they can pinpoint exactly how the nanowire should be designed to give the best ...

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Printable luminous particles enable cost-effective, large and curved luminous surfaces

27-Jan-2015

Researchers at the INM – Leibniz Institute for New Materials have now developed a new method that enables electroluminescence on large, curved surfaces in a cost-effective way: in this case, the light-emitting layer and all other components are produced by means of wet-chemical, printable ...

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Shedding light on why blue LEDS are so tricky to make

09-Jan-2015

Scientists at UCL, in collaboration with groups at the University of Bath and the Daresbury Laboratory, have uncovered the mystery of why blue light-emitting diodes (LEDs) are so difficult to make, by revealing the complex properties of their main component - gallium nitride - using sophisticated ...

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UCSB's Shuji Nakamura receives the 2015 Charles Stark Draper Prize

08-Jan-2015

UCSB materials professor and 2014 Nobel Laureate Shuji Nakamura has been awarded the Draper Prize for Engineering by the National Academy of Engineering (NAE). Nakamura, who is also a professor of electrical and computer engineering at UCSB, will share the prize with four other recipients also ...

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New industrial research technique for analyzing gallium nitride on the nanometer scale

11-Nov-2014

Gallium nitride is difficult to produce and difficult to handle – and the key to the development of blue LEDs, which won this year’s Nobel Prize in Physics. The award went to three Japanese researchers who were the first to produce high-quality gallium nitride (GaN) layers and put them into ...

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The Nobel Prize in Physics 2014: New light to illuminate the world

Isamu Akasaki, Hiroshi Amano and Shuji Nakamura win the Nobel prize in physics

07-Oct-2014

This year’s Nobel Laureates are rewarded for having invented a new energy-efficient and envi-ronment-friendly light source – the blue light-emitting diode (LED). In the spirit of Alfred Nobel the Prize rewards an invention of greatest benefit to mankind; using blue LEDs, white light can be ...

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KAIST made great improvements of nanogenerator power efficiency

19-May-2014

Nanogenerators are self-powered energy harvesters that convert kinetic energy created from vibrational and mechanical sources into electrical power, removing the need of external circuits or batteries for electronic devices. This innovation is vital in realizing sustainable energy generation in ...

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To bridge LEDs' green gap, scientists think small... really small

Nanostructures half a DNA strand-wide show promise for efficient LEDs

08-Apr-2014

Nanostructures half the breadth of a DNA strand could improve the efficiency of light emitting diodes (LEDs), especially in the "green gap," a portion of the spectrum where LED efficiency plunges, simulations at the U.S. Department of Energy's National Energy Research Scientific Computing Center ...

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Quantum physics with superconductivity in LEDs

Novel approach paves way for new quantum devices

20-Mar-2014

A team of University of Toronto physicists led by Alex Hayat has proposed a novel and efficient way to leverage the strange quantum physics phenomenon known as entanglement. The approach would involve combining light-emitting diodes (LEDs) with a superconductor to generate entangled photons and ...

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Two-dimensional material shows promise for optoelectronics

Team creates LEDs, photovoltaic cells, and light detectors using novel 1-molecule-thick material

12-Mar-2014

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 flexible photovoltaic cells, light emitting diodes (LEDs), and other optoelectronic devices, they ...

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