Fujitsu Laboratories of Kawasaki, Japan has developed compact gallium nitride high-electron-mobility transistor (HEMT)-based transceiver module technology with an output of 10W operating at frequencies up to the millimeter-wave band. ...
Tags: Fujitsu GaN HEMT, Electrical, Electronics
Demand for LED backlighting rebounded in the first half of 2013, Taiwan-based LED chipmaker Epistar believes demand for LED lighting will show strong growth in the second half of 2013 and lighting applications may account for 35-40% of its ...
Tags: LED Lighting, Lights
Demand for LED backlighting rebounded in the first half of 2013, but firms expect demand to slow down after mid-June because China's energy-saving appliance procurement subsidy program is close to an end. Despite the possible demand drop ...
Tags: LED Lighting, Lights, Lighting
The second-generation XP-E2 LEDs include royal blue, blue, green, amber, red-orange, and red options and are drop-in, higher-output replacements for earlier models. Cree has announced the XLamp XP-E2 family of color LEDs after having ...
Tags: Color LEDs, CREE
Transparent and translucent ceramics are on the verge of being put to industrial use as new optical materials that offer great potential. As part of the publicly funded research project OptokeraMat, SCHOTT Research and Development has laid ...
Tags: Schott Developers, LED Technology
PhosphorTech has just released its latest RadiantFlex phosphor sheet product series for ultra high color rendering (CRI) LED applications. The new products are available from "warm white" (CCT~3000K) to "cool white" (CCT~5500K) versions ...
Tags: Phosphortech, Lighting
Verticle Inc of Dublin, CA, USA has extended its range of Honeycomb hexagonal-shaped vertically structured InGaN-based LED chips from blue wavelengths (in mass production since February 2012) to ultraviolet (UV). As with the firm’s ...
Researchers in Korea have used three-dimensional (3D) graphene foam as a transparent conductor for the p-contact of blue nitride semiconductor light-emitting diodes (LEDs) [Byung-Jae Kim et al, Appl. Phys. Lett., vol102, p161902, 2013]. The ...
Tags: Graphene foam, LEDs
After a year of research and development, Klauf Lighting of Lewes, Deleware has introduced the Klauf light bar. Uniquely, the light bar takes advantage of remote phosphor technology. The warm white light is also leverages better dimming ...
Tags: LED lighting, LED, lighting
Royal Philips Electronics of Eindhoven, The Netherlands claims that it has created the world’s most energy-efficient LED lamp for general lighting applications. Philips researchers have developed a prototype ‘TLED’ lamp ...
Philips Lighting has announced that it realized 200-lm/W performance in an R&D project focused on LED-based replacements for fluorescent tubes. Philips Lighting has revealed laboratory work on an LED-based replacement for fluorescent ...
First LED lamp prototype delivering 200 lumen per watt high quality light, halving the energy use compared to current LED lamps Royal Philips Electronics announces a new innovation in LED lighting, creating the world’s most ...
Tags: LED Lighting, LED Lamp
Philips is claiming a record 200 lm/W a prototype warm white LED light. "The TLED prototype lamp from marks the first time that lighting engineers have been able to reach 200lm/W efficiency without compromising on light quality, with all ...
Tags: Philips, LED Lighting
Gwangju Institute of Science and Technology and Samsung Electronics Co Ltd of South Korea have developed a zinc oxide (ZnO) nanorod (NR) process for improving light extraction from gallium nitride (GaN) light-emitting diodes (LEDs) by up to ...
Tags: GaN, LEDs, Electronics
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