Korea University has been working to improve metal contacts on aluminium gallium indium phosphide (AlGaInP) light-emitting diodes (LEDs) [Dae-Hyun Kim et al, Jpn. J. Appl. Phys., vol55, p032102, 2016]. In particular, the research team added ...
Tags: AlGalnP, Tantalum barrier, LED
Crystal IS Inc of Green Island, NY, USA, an Asahi Kasei company that makes proprietary ultraviolet light-emitting diodes (UVC LEDs), has augmented its Optan SMD (surface-mount device) product line for instrumentation with the addition of ...
Tags: Crystal IS, UVC LEDs
After unveiling its third generation of in-situ metrology tools last October, in-situ metrology system maker LayTec AG of Berlin, Germany says that the EpiTT Gen3 is now available as the first representative of this Gen3 product class. ...
Tags: UV LED epitaxy, sapphire
At the 13th Innovationsforum for Automation in Dresden, Germany (21-22 January), deposition equipment maker Aixtron SE of Herzogenrath, near Aachen, Germany received the 'Innovations Award for Automation, which is awarded annually by ...
Nighttime light pollution, or sky glow, is the combined light from streetlights, parking lots, malls, office buildings, stadiums and other structures that brightens night skies and drastically limits the visibility of stars. Sky glow ...
Tags: LED Light, LED lighting
The open-access paper The role of photonics in energy, authored by a team including Zakya Kafafi of Lehigh University, editor of the Journal of Photonics for Energy, traces the development of the science of light from the Arab scholar Ibn ...
University of California Santa Barbara (UCSB) in the USA has been developing a hybrid technique to create III-nitride tunnel junctions (TJs) using a combination of metal-organic chemical vapor deposition (MOCVD) and molecular beam epitaxy ...
Tags: Gallium Nitride Tunnel, Hybrid
Crystal IS Inc of Green Island, NY, USA, an Asahi Kasei company that makes proprietary ultraviolet light-emitting diodes (UVC LEDs), is now ISO 9001:2008 certified. The firm's UVC LEDs are based on Crystal IS' proprietary native aluminium ...
Tags: Crystal IS, UVC LEDs, Electronics
University of Cyprus, Cyprus University of Technology, and University of Crete have been exploring the potential of Frster resonant energy transfer (FRET) from an indium gallium nitride (InGaN) single quantum well (SQW) to a light-emitting ...
Tags: InGaN, InGaN quantum well, FRET
Researchers in Germany are proposing scandium nitride (ScN) as a suitable buffer for gallium nitride (GaN) on silicon (Si) growth [L. Lupina et al, Appl. Phys. Lett., vol107, p201907, 2015]. The attraction of ScN is a very small mismatch ...
Tags: GaN devices, microscope
Plessey Semiconductors Ltd in the UK has been improving its indium gallium nitride (InGaN)-on-silicon light-emitting diode (LED) technology [Liyang Zhang et al, Journal of the Electron Devices Society, vol3, p457, 2015]. A light output ...
Tags: GaN-on-silicon LEDs, Plessey MOCVD
Hertfordshire, a county in southern England set out to save more money to bring relief to its cash strapped county council. Already Hertfordshire County Council has trimmed funding in several areas over the past year to save funds. Now ...
Tags: Hertfordshire, LED streetlights, Dimming LED
Noise is an issue in optical telecommunications. And findings means of controlling noise is key to physicists investigating light-emitting diodes or lasers. Now, an Italo-Iraqi team has worked on a particular type of light source, called ...
Tags: QDLED, LED-backlighting, Current
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
Over the last decade, advances in the technology of light-emitting diodes, or LEDs, have helped to improve the performance of devices ranging from television and computer screens to flashlights. As the uses for LEDs expand, scientists ...
Tags: LEDs, MoS2, LED Material