University of California Santa Barbara (UCSB) in the USA has developed a monolithic white light-emitting diode (LED) with blue light produced by electrical pumping, and green/'red' by optical pumping from the blue source [S. J. Kowsz et al, ...
UK-based LED maker Plessey's new Orion beam forming module has been shortlisted in two categories (Manufacturer of the Year and Enabling technology of the Year) in the 2016 Lux Awards, which celebrate and reward creativity and ...
For fiscal first-quarter 2017 (to 2 July 2016), Qorvo Inc of Greensboro, NC and Hillsboro, OR, USA (which provides core technologies and RF solutions for mobile, infrastructure and defense applications) has reported revenue of $697.6m, up ...
Researchers based in UK, France, Australia and the USA have developed a chemical epitaxial lift-off (ELO) technique for full 2-inch-diameter gallium nitride (GaN) grown on sapphire and free-standing substrates [Akhil Rajan et al, J. Phys. ...
Tags: GaN, HVPE, free-standing wafers
Researchers at the University of Illinois at Urbana Champaign (UIUC) say that they have developed a new method for making brighter and more efficient green LEDs (R. Liu and C. Bayram, 'Maximizing cubic phase gallium nitride surface coverage ...
Tags: Green LEDs, MOCVD
Efficient Power Conversion Corp (EPC) of El Segundo, CA, USA - which makes enhancement-mode gallium nitride on silicon (eGaN) power field-effect transistors (FETs) for power management applications – has announced its Phase Eight ...
Tags: GaN Device, integrated circuits
Due to falling prices and the commercial availability of wide-bandgap (WBG) semiconductor power devices from multiple sources, the adoption of silicon carbide (SiC) and gallium nitride (GaN) power devices in power supplies for computers, ...
Tags: Semiconductor, GaN power devices
South China University of Technology has used low-temperature barriers between indium gallium nitride (InGaN) multiple quantum wells (MQWs) to improve the light output power of light-emitting diodes (LEDs) by 23% to 63.83mW at 65mA [Zhiting ...
Tags: Low-Temperature Barriers, Quantum
Spending on RF high-power semiconductors for the wireless infrastructure markets has flattened out this year, despite the fact that the overall market hit well over $1.5bn in 2015, according to ABI Research's report 'RF Power ...
Tags: High-Power Semiconductor, GaN
Qorvo Inc of Greensboro, NC and Hillsboro, OR, USA (which provides core technologies and RF solutions for mobile, infrastructure and aerospace/defense applications) says that its infrastructure solutions have supported more than twenty 5G ...
Tags: Qorvo, Infrastructure Providers
Osaka University in Japan has developed a liquid phase epitaxy (LPE) process for the growth of gallium nitride (GaN) in a sodium (Na) flux with a small amount of carbon (C) that, with the addition of lithium (Li) and gallium, can also be ...
The University of Manchester and the University of Cambridge in the UK have been comparing efficiency droop in low-temperature photoluminescence (PL) experiments on non-polar m-plane and polar c-plane indium gallium nitride (InGaN) quantum ...
Peregrine Semiconductor Corp of San Diego, CA, USA – a fabless provider of radio-frequency integrated circuits (RFICs) based on silicon-on-insulator (SOI) – has launched what it claims is the fastest gallium nitride (GaN) ...
Tags: Peregrine, GaN FET Driver
Infineon Technologies AG of Munich, Germany has entered into a definitive agreement to acquire the Wolfspeed Power & RF division of Cree Inc of Durham, NC, USA for $850m in cash (about €740m). The deal also includes the related silicon ...
Plextek RFI Ltd of Cambridge, UK, which designs and develops RFICs, MMICs and microwave/millimeter-wave modules, has announced a new reference design for a gallium nitride (GaN) power amplifier (PA) monolithic microwave integrated circuit ...
Tags: MMICs, microwave, millimeter-wave modules