Techs for License: Lighting
High Extraction Efficiency GaN LED
Photonic crystals have received an increasing amount of interest for use as light extractors in light-emitting diodes (LEDs), but their implementation on the surface of LEDs has thus far produced little improvement in extraction efficiency.
Techs for License: Lighting
Relaxed SiGe Films By Surfactant Mediation
Relaxed silicon-germanium (SiGe) has become an important material in the fabrication of high-quality films for various applications. Strain-relaxed SiGe buffers have been produced by at least three known methods. However, these techniques present several disadvantages, such as long growth times, thick...
Products: Lighting
ERG Lighting (Endicott, NY) has introduced eDriver LED power supplies, available in a broad range of constant voltage and constant current drivers. The driver modules are 90% efficient and fully isolated, with universal...
Products: Lighting
The HV9957 from Supertex (Sunnyvale, CA) combines a switch-mode boost converter and six low-dropout, linear current regulators to deliver high efficiency and precise current control in an LED driver. The IC can...
Products: Lighting
TE Connectivity (Harrisburg, PA) has extended its line of poke-in connectors to include the new micro poke-in wire SSL connector — a low-profile printed circuit board connector specifically designed for LED...
Products: Lighting
The IRS2548D switched-mode power supply control IC from International Rectifier (El Segundo, CA) is for high-power LED illumination including LED street lighting, stadium lighting, and theatrical lighting. The device achieves...
Products: Lighting
Two new series of connectors for LED lighting systems from AVX Corporation (Greenville, SC) maintain the same luminosity and light intensity as florescent strip lights. The standard length of fluorescent...
Products: Lighting
Hirose (Simi Valley, CA) has developed a 2-mm pitch, multi-functional connector system that provides wire-to-board, board-to-board joint and short-circuit sockets in a single connector design. The DF59...
Products: Energy
Powerex (Youngwood, PA) has introduced IGBTs from 300A/1200V - 800A/1200V in conventional packages, allowing users an easy upgrade path for increased system ratings and/or improved reliability due to the increased allowable...
News: Energy
New Concept Gives Rechargeable Batteries a Surge in Storage Capacity
Researchers at Karlsruhe Institute of Technology have developed a new concept for rechargeable batteries, based on a fluoride shuttle – the transfer of fluoride anions between electrodes – which could allow high energy densities up to ten times as high as those of...
News: Energy
The AutoTram® is as long as a streetcar and as maneuverable as a bus. It doesn’t need rails or overhead lines because it rolls on rubber tires and simply follows white lines...
Products: Transportation
International Rectifier (El Segundo, CA) has released automotive-qualified 600 V IGBTs optimized for variable speed motor control and power supply...
News: Green Design & Manufacturing
A University of California, San Diego technology that significantly reduces the amount of energy wasted by chips in electronic devices has recently passed the trillion watt-hour milestone...
News: Energy
Molecular Solar Ltd., a spinout company from the UK's University of Warwick, has have achieved a record voltage for organic photovoltaic cells - which means these highly flexible, low-cost solar cells...
Products: Energy
XP Power (Sunnyvale, CA) has released the DLG series of constant voltage and constant current LED drivers for a range of outdoor lighting, security, and machine vision applications. The IP67-rated waterproof units are highly...
News: Energy
Designing grocery display cases has a lot in common with aeronautical engineering. Refrigerated display cases shoot jets of air across their front openings, creating an...
Products: Green Design & Manufacturing
austriamicrosystems (Unterpremstaetten, Austria) offers two new battery charger ICs for Li-ion batteries in mobile devices. The AS3610/11 step-down DC-DC chargers offer fast and highly efficient charging of...
News: Energy
A development by engineers of Germany's Karlsruhe Institute of Technology (KIT) is inspired by nature. To fill the porous electrodes of lithium-ion batteries more rapidly with liquid...
News: Green Design & Manufacturing
A University of Minnesota team has made major progress in the quest to design a specialized type of molecular sieve that could make the production of gasoline, plastics, and...
Products: Green Design & Manufacturing
STMicroelectronics (Geneva, Switzerland) introduces the L99PM72PXP, an automotive IC supporting advanced networking technology to unlock valuable improvements in fuel efficiency and emissions. The new chip reduces the energy...
News: Energy
Record-Breaking Solar Cells
Developed by Singapore's Nanyang Technological University (NTU) and A*STAR Institute of Microelectronics (IME), new thin-film silicon solar cells are designed to be made from cheaper, low-grade silicon. The nano-structured solar cells can produce a current of 34.3mA/cm2 – a world record for a silicon...
INSIDER: Software
Army Tests High-Tech Helicopter Simulator
The Army is using a new helicopter simulator, called the Non-rated Crew Member Manned Module (NCM3), to train helicopter crews on the rear of both the CH-47 Chinook and UH-60 Black Hawk. Through specially created virtual reality glasses, which fit the same as night vision goggles, soldiers can practice...
Products: Lighting
ON Semiconductor (Phoenix, AZ) has expanded its portfolio of constant-current regulators (CCRs) to include the NSI50350A. The simple and robust device is designed to provide a thermally-efficient and...
News: Energy
The 2011 CAFE Green Flight Challenge has a winner! NASA awarded a $1.35-million first place prize to team Pipistrel-USA of State College, PA. The team's electric Taurus G4 aircraft...
News: Green Design & Manufacturing
Artificial photosynthesis is the process of converting carbon dioxide gas into useful carbon-based chemicals - most notably fuel or other compounds usually derived from petroleum - as an...
News: Transportation
Fraunhofer scientists working on electronic drives have replaced a battery box for lithium-ion batteries with a lightweight component. Not only does the housing save weight and sustain no...
News: Energy
The complete genetic makeup of two heat-loving fungi often found in composts that self-ignite without flame or spark has been decoded by an international team of scientists. Their...
News: Sensors/Data Acquisition
Paving a Simpler Path to High-Power Terahertz Radiation
Coherent terahertz radiation has historically been very difficult to generate, and the search for an easy-to-use, compact source continues today.
Northwestern University researchers recently developed a simpler way to generate single-chip terahertz radiation — a discovery that...
News: Energy
The Sweet Side of Biofuel Production
A new method of extracting sugars from biomass could lead to more sustainable, inexpensive biofuel production. Unlike more expensive techniques that focus on enzymes, this method, developed at Iowa State University, relies on pyrolysis of lignocelluslosic biomass: quickly heating the biomass without oxygen to...
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