18 October 2012 Georgia State University selects Meaglow's hollow cathode plasma source Meaglow Ltd of Thunder Bay,Ontario,Canada a privately held firm that produces epitaxy equipment and MBE and MOCVD accessories,as well as providing ...
Tags: Meaglow Ltd, Georgia State University, hollow cathode plasma source
18 October 2012 Osram Opto launches direct-emitting green laser diodes Osram Opto Semiconductors GmbH of Regensburg,Germany says that it is now offering its first direct-emitting green diode lasers.The two compact indium gallium ...
LEDs - or Light-Emitting Diodes – are semiconductors that generate narrow-spectrum light when electrically biased in the forward direction of the p-n junction. This effect is a form of electroluminescence. A single LED is often a ...
Tags: LED
Researchers in China have applied graphene as transparent conducting layers (TCLs) in vertical light-emitting diodes (VLEDs) made from indium gallium nitride (InGaN) semiconductors. The researchers were based in Beijing at Chinese Academy ...
Tags: LED
Companies that are developing LED lighting products need to have an awareness of the wider patent landscape to help them develop,protect and exploit their own intellectual property to its fullest,as JACKIE MAGUIRE and DAVID SEGAL explain. ...
Taiwan researchers have achieved a reduction in luminous efficiency droop from 42%to 7%by inserting p-type indium gallium nitride(p-InGaN)between the active light-emitting and electron-blocking layers of a nitride semiconductor ...
Meaglow Ltd of Thunder Bay, Ontario, Canada – a privately held firm that produces a range of epitaxy equipment and MBE and MOCVD accessories, as well as providing specialized thin films to research institutes and industry - says that ...
Tags: MOCVD
Triangular quantum well injection boosts nitride LED efficiency by 80% The State Key Laboratory of Optoelectronic Materials and Technology of Sun Yat-sen University has reduced the forward voltages and increased the device efficiency of ...
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LEDs How it works A Light Emitting Diode (LED) is a semiconductor diode that emits light when an electric current is applied in the forward direction of the device. The effect is a form of electroluminescence where incoherent and ...
Researchers in Korea have been studying how to improve graphene transparent conducting layers(TCLs)using gold nanoparticle(Au-NP)decoration.The team was variously associated with Gwangju Institute of Science and Technology,Korea Basic ...
Physicists at The University of Texas at Austin,in collaboration with colleagues at Taiwan's National Tsing-Hua University and National Chiao-Tung University and at the Beijing National Laboratory for Condensed Matter Physics and Institute ...
22 June 2012 Sandia's InGaN nanowire template permits flexible solar energy absorption Researchers in solar energy want to convert as many of the sun's wavelengths as possible to achieve maximum efficiency.They hence see indium gallium ...
Tags: InGaN nanowire, solar energy, solar cell, MOCVD, photovoltaic systems
Researchers at Ukraine's Lashkaryov Institute of Semiconductor Physics have been studying current crowding and electrical efficiency degradation in vertical indium gallium nitride(InGaN)light-emitting diodes(LEDs)made from material grown on ...
Tags: Vertical InGaN/SiC LEDs, SiC substrates, massive heat sink
LEDs differ from traditional light sources in the way they produce light. In an incandescent lamp, a tungsten filament is heated by electric current until it glows or emits light. In a fluorescent lamp, an electric arc excites mercury ...
Tags: LED