Anvil Semiconductors Ltd of Coventry, UK and the Cambridge Centre for GaN (part of University of Cambridge’s Department of Materials Science and Metallurgy) have grown cubic GaN on 3C-SiC on silicon wafers by metal-organic chemical ...
Tags: green LEDs, silicon wafers, Electrical
Funded by Germany’s Federal Ministry of Education and Research (BMBF) and coordinated by Osram Opto Semiconductors GmbH of Regensburg, Germany, the Hi-Q-LED project has made advances with green LEDs, diminishing the ‘green ...
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
Streamlight is just one of the brands you know and you trust. You know you might pay a little more, but you get a lot better quality with their products. Well it would seem, but that was until I saw the reviews on Amazon. I can’t ...
Tags: Streamlight, Flashlight
UV, blue and far-red light can prevent the development of edema on some plants in the tomato family. Edema is a physiological disorder characterized by watery blisters or tumors that often form along leaf veins. It can develop on plants, ...
Tags: Edema, Light Quality, Development of Edema
Researchers based in Korea and Egypt have used wafer thinning to increase the efficiency of nitride semiconductor green light-emitting diodes (LEDs) [Wael Z. Tawfik et al, Appl. Phys. Express, vol6, p122103, 2013]. The contributing ...
Taiwan’s National Cheng Kung University has developed near-green light-emitting diodes (LEDs) using a new indium gallium nitride (InGaN) growth process that gives devices with a higher peak external quantum efficiency of 48.6% ...
Tags: LEDs, Near-green LEDs, InGaN MOCVD
The Chinese Academy of Sciences’ Research and Development Center for Semiconductor Lighting has been exploring the effect of p-type doping of the barriers in multiple quantum well blue-green (~500nm) light-emitting diode (LED) ...
Tags: Blue-Green LEDs, Electronics
WattStopper has launched two Digital Lighting Management control devices that offer design professionals elegant, cost effective solutions for managing energy efficient lighting controls in partitioned spaces. Adding just one device to ...
Tags: Lights, Lighting, Digital Lighting
Researchers in China have used strain engineering to improve the light output power of 530nm green light-emitting diodes (LEDs) by 28.9% at 150mA current injection [Hongjian Li et al, Appl. Phys. Express, vol6, p052102, 2013]. The research ...
Plessey Semiconductors has launched its first GaN-on-silicon LED product, made in its Plymouth fab. "We can offer samples of our entry-level product and we are already discussing orders," company chief operating officer Barry Dennington ...
Tags: LED Sampling, LED, Sampling
Plessey Semiconductors has launched its first GaN-on-silicon LED product, made in its Plymouth fab. "We can offer samples of our entry-level product and we are already discussing orders," company chief operating officer Barry Dennington ...
Tags: LED delivers, LED Sampling, LED
The UK’s University of Cambridge has opened a new £1m facility for growing gallium nitride that aims to enable researchers to expand and accelerate their work, which promises to further reduce the cost and improve the efficiency ...
Tags: LED lights, LED, lights
Gallium nitride has been described as “the most important semiconductor since silicon” and is used in energy-saving LED lighting. A new £1million (or US$1,530,700) growth facility will allow University of Cambridge ...
Tags: GaN LEDs, Electrical, lighting
White light There are two primary ways of producing white light-emitting diodes (WLEDs), LEDs that generate high-intensity white light. One is to use individual LEDs that emit three primary colors— red, green, and blue — and ...
Tags: White LED