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Light Sources News
Tabletop device generates all wavelengths in single beam
ARLINGTON, Va. – For the first time, a device small enough to fit on a single laboratory table has converted a coherent, directed light beam generated from more than 5000 low-energy photons into one high-energy x-ray photon. “This device can be a valuable tool for nanoscience and nanotechnology, with the capability to image materials in 3-D and capture the fastest process relevant to function with very high space and time resolution,” JILA professor Margaret Murnane told Photonics Spectra. She led...
Avoiding Traps in Plastic Electronics
ATLANTA, July 31, 2012 — A theoretical framework that addresses the significant “charge trap” defect of plastic semiconductors has yielded trap-free plastic electronics with the potential for more efficient plastic LEDs and solar cells.
Measurement Advance Could Speed Solar Innovation
GAITHERSBURG, Md., July 31, 2012 — A new automated measurement system that accurately and quickly measures the electric power output of solar energy devices could soon help researchers and manufacturers to develop next-generation solar energy cells.
Luminus Devices Opens Taiwan Office, Collaborates with Volpi
BILLERICA, Mass., July 27, 2012 — The LED technologies provider has opened an office in Taiwan in response to the growing demand in the Asian market, and has formed a cooperative partnership with Volpi to advance LED lighting solutions.
Paolini Joins Next Lighting
SAN FRANCISCO, July 27, 2012 — Steve Paolini was named chief technology officer at the LED-based linear lighting products company.
Universal Display Buys Fujifilm’s OLED Patents
EWING, N.J., and TOKYO, July 24, 2012 — Universal Display Corp. has paid Fujifilm Corp. $105 million for its worldwide portfolio of more than 1200 organic LED patents and patent applications.
First Nonpolar Violet VCSEL Reported
SANTA BARBARA, Calif., July 23, 2012 — The first violet nonpolar vertical-cavity surface-emitting lasers based on m-plane gallium nitride semiconductors have been developed and could lead to higher optical efficiency lasers at reduced manufacturing costs for lighting, displays and sensor...
Light Efficiency in LC Projectors Nearly Doubled
RALEIGH, N.C., July 18, 2012 — A new polarization technology that nearly doubles the energy efficiency of liquid crystal projectors could result in smaller, lower-cost devices with longer battery lives and significantly lower heat levels.
Laser, LED Projects Get DoE Funding
ROCHESTER, N.Y., and ST. PETERS, Mo., July 16, 2012 — Two photonic projects have received more than $7 million in grants from the US Department of Energy (DoE) to increase laser machining energy efficiency and gallium nitride manufacturing efficiency.
LED Engin Appoints 3 New Execs
SAN JOSE, Calif., July 16, 2012 — Following the completion of a series E funding round, the lighting solutions company announced three executive management appointments to support its continued growth.
Raptor Photonics Appoints Germany, Austria Rep
LARNE, Northern Ireland, July 13, 2012 — Raptor Photonics has named Laser 2000 GmbH as its scientific camera distributor for Germany and Austria.
Soitec, Silian to Develop GaN Wafers for LEDs
BERNIN, France, and CHONGQING, China, July 13, 2012 — Soitec and Chongqing Silian Optoelectronics Science & Technology Co. Ltd. have announced that they will jointly develop gallium nitride template wafers to reduce LED manufacturing costs.
Spintronic OLED Promises Brighter Displays
SALT LAKE CITY, July 13, 2012 — A new spintronic OLED that produces an orange color holds promise for brighter, cheaper and more environmentally friendly LEDs than the traditional ones used in television and computer displays, lighting and electronic devices.
Headlights Shine Between – Not Through – Raindrops
PITTSBURGH, July 10, 2012 — A new smart headlight system that can see around water droplets could help drivers navigate roadways during heavy rain- and snowstorms.
Doping MOFs Leads to Red, Blue Emission
LIVERMORE, Calif., July 6, 2012 — A new technique that employs a nanoporous material to efficiently identify neutrons could provide a more effective and less costly way to detect radiation in cargo and baggage for homeland security inspection.
Samsung Mobile to Buy Novaled AMOLEDs
DRESDEN, Germany, and SEOUL, South Korea, July 3, 2012 — Novaled’s latest agreement with Samsung Mobile Display extends the use of its high-performance OLED materials and proprietary PIN OLED technology to SMD’s next generation of mobile AMOLED display devices.
Cooke Corp. Becomes PCO-Tech
Jul 1, 2012 — To better reflect its relationship with PCO AG of Kelheim, Germany, Cooke Corp. of Romulus, Mich., has changed its name to PCO-Tech Inc. The company will continue to operate under its current structure. It also will continue to provide high-speed...
Gamma ray refraction could launch nuclear photonics
GRENOBLE, France – An experiment in which gamma rays were bent like ordinary light overturns decades of theoretical predictions and opens the door to a new field of research called nuclear photonics. Gamma rays are essentially a highly energetic form of light....
LED-like solar cell absorbs, emits light
Jul 1, 2012 — A new solar cell designed to be more like an LED, able to emit light as well as absorb it, could achieve efficiencies close to 30 percent. Typical solar cells theoretically can harvest about 33.5 percent of energy from sunlight, but scientists have...
Release process holds promise for GaN semiconductors
TOKYO – Nitride semiconductors grow only on certain surfaces, and their utility is limited by the substrate on which they are fabricated. But a new release process not only makes the method cheaper and easier, it also expands the potential uses of the...
Schneider Kreuznach Expands into LEDs
Jul 1, 2012 — With almost 100 years of optical design experience, Schneider Kreuznach of Bad Kreuznach, Germany, has expanded into the LED market with the development of a state-of-the-art light engine. The new fiber light ultra-LED engine 6 was designed to...
UDC to Provide OLED Materials
Jul 1, 2012 — Universal Display Corp. (UDC) of Ewing, N.J., will provide its UniversalPHOLED phosphorescent organic LED (OLED) materials to the Germany-based Fraunhofer Institute for Photonic Microsystems IPMS, Center for Organic Materials and Electronic Devices...
WaveTec Vision Raises $16M
Jul 1, 2012 — WaveTec Vision of Aliso Viejo, Calif., has closed a $16.5 million financing round to commercialize its ORA System diagnostic device for cataract surgery. The round was led by new investor Burrill & Co. WaveTec Vision’s previous investors...
SemiLEDs, Cree End Patent Cases
HSINCHU, Taiwan, and DURHAM, N.C., June 28, 2012 — The two LED makers announced they have dropped their patent infringement cases against each other.
3-D Optical Cavities Made from Metamaterials
BERKELEY, Calif., June 27, 2012 — Three-dimensional nanoscale optical cavities made from metamaterials have the potential to generate the most intense nanolaser beams to date and hold promise for a range of other technologies, including LEDs, optical sensing, nonlinear optics,...
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April 2024
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