An intensive care ward at Glasgow Royal Infirmary is trialling a lighting system that has been designed to kill superbugs including MRSA, E. coli and C. diff. The HINS-light system, which has been developed by the University of ...
Turkey's Bilkent University has used hollow-cathode plasma-assisted atomic layer deposition (HCPA-ALD) to make gallium nitride (GaN) thin-film transistors (TFTs) at temperatures below 250°C [S. Bolat et al, Appl. Phys. Lett., vol104, ...
Tags: HCPA-ALD GaN Thin-film transistors, Electrical, Electronics, Transistors
Taiwan's National Tsing Hua University has claimed the highest optical 3dB modulation bandwidth of ~463MHz at 50mA for a 500nm-wavelength blue-green indium gallium nitride (InGaN) LED [Chien-Lan Liao et al, IEEE Electron Device Letters, ...
Tags: blue-green LEDs, taiwan, LED, LED light, Electrical, Electronics
PPG Industries has launched an online tool that enables architects and specifiers to model energy costs for a statistically representative 12-story building constructed with selected PPG architectural glazings to optimize daylighting, heat ...
Tags: PPG, Energy Modeling
The US Department of Energy's National Energy Research Scientific Computing Center (NERSC) has conducted simulations showing that nanostructures half the width of a DNA strand could enhance the efficiency of LEDs. In particular, efficiency ...
Tags: InN Green LEDs, LED
The technology employs the high-frequency modulation capabilities of light-emitting diode (LED) engines used in commercial lighting. It achieves throughputs of up to 10Mb/s at a range of three meters, suitable for HD video streaming or ...
Tags: Li-Fi Prototype, LED lamps, Leti
Hong Kong University of Science and Technology (HKUST) is developing techniques to monolithically integrate high-electron-mobility transistors (HEMTs) and light-emitting diodes (LEDs) based on aluminium indium gallium nitride (AlInGaN) ...
Tags: Nitride Semiconductor, LEDs, LED regions
Imagine that you are in a meeting with coworkers or at a gathering of friends. You pull out your cell phone to show a presentation or a video on YouTube. But you don't use the tiny screen; your phone projects a bright, clear image onto a ...
Using an inexpensive inkjet printer, University of Utah electrical engineers produced microscopic structures that use light in metals to carry information. This new technique, which controls electrical conductivity within such ...
Tags: Squeezing Light, Metals, Inkjet Printer
There's promising news from the front on efforts to produce fuels through artificial photosynthesis. A new study by Berkeley Lab researchers at the Joint Center for Artificial Photosynthesis (JCAP) shows that nearly 90-percent of the ...
Colorful, see-through solar cells invented at the University of Michigan could one day be used to make stained-glass windows, decorations and even shades that turn the sun's energy into electricity. The cells, believed to be the first ...
Tags: Solar Cells, Electronics
TCL Communication (ALCATEL ONETOUCH and TCL) and Sunpartner Technologies today unveiled a smartphone that can recharge itself by light (Wysips crystal). Seen for the first time at Mobile World Congress 2014, the smartphone demonstrates ...
Tags: Wysips Crystal, TCL, Solar Smartphone, LiFi
The UK’s University of Leeds has fabricated what is claimed to be the world’s most powerful terahertz (THz) laser chip, exceeding 1 Watt output power from a quantum cascade laser (QCL) (Lianhe Li et al, ‘Terahertz quantum ...
Tags: Laser Chip, Electronics
University of Leeds researchers have taken the lead in the race to build the world's most powerful terahertz laser chip. A paper in the Institution of Engineering and Technology's (IET) journal Electronics Letters reports that the Leeds ...
In work that has major implications for improving the performance of building insulation, scientists at the University of Namur in Belgium and the University of Hassan I in Morocco have calculated that hairs that reflect infrared light may ...
Tags: Scattering Light, Light, Electrical, Electronics