It is reported that Hong Kong University of Science and Technology (HKUST) has developed silicon substrate green and yellow nitride semiconductor LEDs. Details of the development were published in the May 29th issue of IEEE Electronic ...
Tags: HKUST, Lighting, Semiconductor, LED
In response to SSL Manufacturing R&D funding opportunity announcement (FOA) DE-FOA-0000792, the US Department of Energy (DOE) has announced the competitive selection of five projects for solid-state lighting (SSL), involving a total of ...
Tags: Lumileds Lighting, Electrical
LayTec AG of Berlin, Germany (which makes in-situ metrology systems for thin-film processes, focusing on compound semiconductor and photovoltaic applications) says that, in his invited talk at the LED Technology Forum in Singapore (7-10 ...
Tags: LayTec, Singapore's IMRE
A contentious controversy surrounds the high intensity of indium gallium nitride (InGaN) LEDs, with experts split on whether or not indium-rich clusters within the material provide their remarkable efficiency. Now, researchers from the ...
Tags: InGaN LEDs, Electronics
Kim Kisslinger, seen here with a focused-ion beam instrument, reduced the InGaN samples to a thickness of just 20 nanometers to prepare them for electron microscopy. From the high-resolution glow of flat screen televisions to light bulbs ...
Tags: Atomic-Scale, LED
LED epitaxial wafer and chip maker Epistar expects LED applications to account for 30% of total revenues in third-quarter 2013, up from the current 20-25%, due to increasing demand. As production capacity for blue-color LED (InGaN) chips ...
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 China have used strain engineering to improve the light output power of 530nm green light-emitting diodes (LEDs) by 28.9% at 150mA current injection [Hongjian Li et al, Appl. Phys. Express, vol6, p052102, 2013]. The research ...
Osram Opto Semiconductors GmbH of Regensburg, Germany says that it is now offering its mid-power LED Duris P5 in color options. The five new versions have high luminous efficacy from a compact form factor that is already familiar from the ...
Tags: Osram OPTO, LED lamp
New design options with mid-power LEDs from Osram Opto Semiconductors Osram Opto Semiconductors now offers the mid-power LED Duris P5 in color. The five new versions have impressively high luminous efficacy from a compact form factor, ...
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 ...
Coen Liedenbaum shows the Philips TLED prototype Philips is claiming that it has created the world’s most energy-efficient warm white LED lamp for general lighting applications. Researchers at the company have developed a tube ...
Tags: Philips, Efficient Lamp, Lamp
In a development that could make the advanced form of secure communications known as quantum cryptography more practical, University of Michigan researchers – supported by the US National Science Foundation (NSF) - have demonstrated a ...
Tags: GaN nanowires, semiconductor processing techniques, semiconductor
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
Taiwan National Tsing Hua University has been studying ways to improve the modulation performance of high-output-power nitride semiconductor light-emitting diodes (LEDs) [Chien-Lan Liao et al, IEEE Electron Device Letters, published online ...
Tags: GaN InGaN LEDs, LED, Electrical, Electronics, taiwan