Sandia National Laboratories in the USA has reported aluminium gallium nitride (AlGaN) laser structures emitting ~350nm ultraviolet radiation from optical and electrical pumping [Mary H. Crawford et al, Appl. Phys. Express, vol8, p112702, ...
Tags: AlGaN, ultraviolet lasers, LEDs
At its regular radar users' conference in Orlando, FL (attended by representatives from more than 25 countries), security and aerospace company Lockheed Martin of Bethesda, MD, USA has unveiled its Digital Array Row Transceiver (DART) ...
Researchers at Nanchang University in China have been studying the effect of V-pits in indium gallium nitride (InGaN) light-emitting diodes (LEDs) on electroluminescence [Xiaoming Wu, Junlin Liu, and Fengyi Jiang, J. Appl. Phys., vol118, ...
Tags: InGaN quantum wells, InGaN LEDs, InGaN
After in June launching what it claimed was the lowest-resistance 650V-blocking-voltage transistor (specifying an Rdson as low as 15mOhm), VisIC Technologies Ltd of Rehovot, Israel, a fabless developer of devices based on gallium nitride ...
Tags: VisIC, transistor, semiconductor
While lasers were invented in 1960 and are commonly used in many applications, one characteristic of the technology has proven unattainable. No one has been able to create a laser that beams white light. Researchers at Arizona State ...
Tags: ASU, White Lasers, LEDs
AIXTRON, a worldwide leading provider of deposition equipment to the semiconductor industry, today announced that Japanese chemical company Asahi Kasei has ordered an AIXTRON Close Coupled Showerhead system (CCS) for pilot production of ...
Tags: AIXTRON, Asahi Kasei, UV LEDs
Japan's Panasonic Corp has reported the suppression of current collapse up to 800V for a normally-off gallium nitride (GaN) transistor by embedding a hybrid drain in a gate-injection transistor (HD-GIT) structure [Kenichiro Tanaka et al, ...
Tags: Panasonic, GaN transistor, AlGaN
Plessey has collaborated with fellow UK-based firm 8Point3 Ltd (a provider of energy-saving, solid-state lighting solutions for both the private and public sectors, and a Value Add Partner of Philips Lighting) to develop and produce a ...
Soraa, the world leader in the development of advanced lighting products and gallium nitride on gallium nitride (GaN on GaN) LED technology, announced today that it will open a new semiconductor fabrication plant in Syracuse, New York. In ...
Tags: Soraa, GaN LED lamps, lighting products
Researchers from National Chiao Tung University, Taiwan have created highly flexible, efficient white LEDs with potential use in wearable displays and non-flat surfaces, such as curved and flexible television screens. While the design ...
Tags: Bendable LEDs, flexible LEDs
Plessey announced UK’s Regional Growth Fund (RGF) has officially granted £6.7 million (US $10.26 million) towards the expansion of the Plessey LED manufacturing facility in Plymouth, England. Solid state lighting forms a ...
Tags: LED production, Plessey, Government Project
Jijun Feng and Ryoichi Akimoto based in China and Japan have developed low-threshold green and green-yellow laser diodes (LDs) based on a beryllium zinc cadmium selenide (BeZnCdSe) quantum well [Appl. Phys. Lett., vol107, p161101, 2015]. ...
Tags: laser diodes, zirconium dioxide
GaN Systems Inc of Ottawa, Ontario, Canada, a fabless developer of gallium nitride (GaN)-based power switching semiconductors for power conversion and control applications, has launched its Half-Bridge Evaluation Board, which demonstrates ...
Tags: GaN Transistor Circuit, power switching semiconductors
In a dramatic change from the status quo, nearly half of all gallium nitride (GaN) LEDs will be produced on silicon substrates by the end of the decade. That’s according to a new report by analysts at IHS, who forecast that the ...
Tags: LED Production, GaN LEDs, sapphire wafers
When asked whether he had envisioned the impact that his revolutionary blue LED would have in years to come, new Nobel physics laureate Shuji Nakamura’s answer was in typically modest and candid. “No!” he replied in a ...
Tags: blue LED, zinc selenide, semiconductor material, LED lighting