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Light Sources News
People warm to white light from four-color diode lasers
ALBUQUERQUE, N.M. – Step aside LEDs, there’s a new light source in town. A new four-color laser source can produce high-quality white light that is appealing to the human eye. LEDs – widely accepted as sturdier, more efficient replacements for incandescent bulbs – lose efficiency at electrical currents above 0.5 A. Diode lasers, however, improve at higher currents to provide even more light than LEDs. In the test setup, similar bowls of fruit were placed in a lightbox with a divider in...
Piece of energy puzzle could lead to better OLEDs and solar cells
TORONTO – Scientists have put together a couple more pieces of the puzzle to explain how energy levels align in a critical group of advanced materials, which could have implications for developing sustainable technologies such as dye-sensitized solar cells...
QD Vision Relocates
Jan 1, 2012 — To support the launch of new products in 2012, QD Vision Inc. has relocated to a high-volume production facility in Lexington, Mass. The new complex houses its global headquarters as well as its production and development facilities. The company...
SETi to Expand UV LED Production
Jan 1, 2012 — Sensor Electronic Technology Inc. (SETi) of Columbia, S.C., will expand its R&D efforts and make the transition to becoming a high-volume manufacturer of ultraviolet LEDs shorter than 365 nm. SETi initially will scale to supply quantities of...
Surprising Surges, Cautious Expectations, Positive Outlooks
Jan 1, 2012 — A Q&A roundtable on the state and future of the photonics industry The economy grew tremendously in 2010, according to leaders of companies in all areas of photonics – lasers, optics, imaging and beyond – who report high expectations...
To seek out the soft glow of new life and new civilizations
Jan 1, 2012 — The search for life on alien planets focuses largely on radio signals – on keeping an ear out for transmissions from far-off civilizations. But what if we kept an eye out instead, in the hope that the aliens literally have left a light on? If...
Tokyo gears up for Photonix Expo
TOKYO – Photonics industry members from around the world will converge on Tokyo Big Sight conference center April 11-13 for the Photonix Expo & Conference. The show will be held concurrently with the 22nd FINETECH Japan, a flat panel display exhibition...
Zinc oxide microwires boost LED performance
ATLANTA – Microwires made of zinc oxide can enhance LED performance, improving the efficiency at which LEDs convert electricity into ultraviolet light. LEDs may be the first to be enhanced by the creation of an electrical charge in a piezoelectric material...
Owyeung Out, Keddington In as Lunera CEO
REDWOOD CITY, Calif., Dec. 27, 2011 — LED lighting company Lunera Lighting Inc. announced a new CEO earlier this month, its second appointment to the position in just over a year. Michael Keddington will replace Karen Owyeung, who joined the organization in November 2010. (See:...
Light Used to Beam Songs Across a Room
PROVO, Utah, Dec. 21, 2011 — As part of a yearly tradition of challenging previous students’ designs, electrical engineering students at Brigham Young University created a free-space optical transmission device that beams music across a room. The device, created by...
PhotOral Licenses Technology
BOSTON, Dec. 21, 2011 — Life sciences startup PhotOral has licensed patented technology from Harvard-affiliated Forsyth Institute to develop a novel intraoral device that uses blue light for targeting and obliterating potentially harmful dental plaque microorganisms, the...
Cree Licenses Phosphor Patents
DURHAM, N.C., Dec. 20, 2011 — Through its newly launched remote phosphor licensing program, semiconductor solutions company Cree Inc. has granted licenses for select remote phosphor patents to five LED lighting manufacturers. The license further enables LED lighting adoption...
Novaled Founders Honored for Innovation
DRESDEN, Germany, Dec. 20, 2011 — Three of the founders of Novaled AG were awarded the German Future Prize — German President’s Award for Technology for breakthroughs in the field of organic electronics.
Thermal Conductivity Tuning Could Cool Optoelectronics
NASHVILLE, Tenn., Dec. 20, 2012 — The thermal conductivity of a pair of boron nanoribbons can be enhanced by up to 45 percent — a discovery that could give rise to a new tool for managing thermal effects in smartphones, computers, lasers and other devices. Although the...
Technique Combines Optical Fibers, Silicon
COLLEGE PARK, Pa., Dec. 19, 2011 — A technique for depositing a noncrystalline form of silicon (hydrogenated amorphous) into the long, ultrathin pores of optical fibers has been developed — making the optical fibers more flexible and efficient. The first of its kind, this...
Company Supplies Light Sensors for Smartphones
UNTERPREMSTAETTEN, Austria, Dec. 14, 2011 — Austriamicrosystems is supplying high volumes of intelligent ambient light and proximity sensors for four Samsung Galaxy models. The sensors, which are being integrated into the Galaxy Ace, Galaxy Gio, Galaxy Mini and Galaxy Neo models, are used in...
Method Uses Glass Fiber to Detect Atoms
VIENNA, Dec. 9, 2011 — A highly sensitive method that requires specially prepared light waves coupled to ultrathin glass fibers can be used to count and interact with a very small number of atoms — making it possible to build extremely sensitive detectors. The...
SPIE CEO: Photonics Industry Growing
HONG KONG, Dec. 7, 2011 — The demand for photonics is large and on the way to becoming "enormous," yet the ubiquitous technology remains nearly invisible to the general public, SPIE CEO Eugene Arthurs told participants last month at the Hong Kong Optical Engineering...
Companies Extend OLED Partnership
Dec 1, 2011 — Universal Display Corp. of Ewing, N.J., and PPG Industries of Pittsburgh have entered into a new organic LED (OLED) materials supply and service agreement under which PPG will remain the exclusive manufacturer of Universal Display’s...
EMagin Files Plans with NYSE Amex
Dec 1, 2011 — Organic LED microdisplay manufacturer eMagin of Bellevue, Wash., has filed a plan with the NYSE Amex LLC (the “Exchange”) to regain compliance with the Exchange’s continued listing standards, specifically Sections 134 and 1101. On...
Microtech: Better LED Process Is All Wet
FREMONT, Calif., Dec. 1, 2011 — MicroTech Systems has developed a wet process station for etching patterned sapphire substrate (PSS) wafers, which are used to increase light extraction and efficiency in high-brightness LEDs. The wet station’s improvement of manufacturing...
Sony Facility to Make LED Streetlights
Dec 1, 2011 — Sony’s Pencoed, Wales, facility has been selected to manufacture energy-efficient LED streetlighting systems for the UK and Europe. The Sony UK Technology Centre has been working with Canada-based LED Roadway Lighting Ltd. (LRL), a maker of...
Component Simplifies Making All-Optical Chips
CAMBRIDGE, Mass., Nov. 30, 2011 — A recently discovered "diode for light" could enable the creation of photonic chips, paving the way for computing with light. Currently, in most communication systems, data travels via light beams transmitted through optical fibers. Once the...
Smarter Way to Make UV Beams
ANN ARBOR, Mich., Nov. 30, 2011 — A better way to build compact ultraviolet (UV) light sources with low power consumption has been discovered using an optimized optical resonator, which could lead to improved information storage, microscopy and chemical analysis. Researchers...
Blocked Holes Enhance Light Transmission
PRINCETON, N.J., Nov. 28, 2011 — Placing a metal cap over a small hole in a metal film does not stop light from passing through the hole, but rather enhances its transmission — quite contrary to the conventional thought that blocking a hole would allow less light to pass...
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May 2024
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