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phosphors News
TiO2 Boosts Efficiency, Photoluminescene of White Laser Diodes
KYOTO, Japan, Jan. 10, 2023 — Light-scattering nano-elements, also known as nanoantennas due to their ability to harness light, are used as an optical control technology in nanophotonics. In combination with a phosphor plate, and upon irradiation, these 2D structures — in...
Machine Learning Speeds Discovery of New Host Materials for LED Lighting
HOUSTON, Oct. 24, 2018 — A new machine learning algorithm developed at the University of Houston predicted the properties of more than 100,000 compounds, in search of those most likely to be efficient phosphors for LED lighting. When the researchers synthesized and tested...
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LED Materials Bring White Light and More
Feb 23, 2016 — Efficiency and stability may make LEDs the lighting choice of the future, but commonly used inorganic materials are expensive and creating the right kind of white light remains a challenge. Researchers around the world are looking for alternatives...
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Changing Frequency Speeds Phosphor Light Emission
PROVIDENCE, R.I., Nov. 4, 2015 — A technique for controlling light from phosphors at very high speeds could overcome the materials' slow optical performance, potentially enabling their use in optical communications. Phosphors are common light emitters used in light bulbs, LEDs and...
Red Phosphor Heightens White LEDs
MUNICH and AACHEN, Germany, June 24, 2014 — A new material could help LEDs produce more pleasing white light. A team from Ludwig Maximilian University of Munich (LMU), in collaboration with Philips Technologie in Amsterdam, has developed a new red phosphor material based on the nitride...
LEDs Offer a Lighting Makeover
Sep 1, 2013 — New materials and manufacturing techniques are bringing LEDs closer to cost-effectiveness. The venerable lightbulb is going high-tech, thanks to LEDs: Light-emitting diode products are more efficient, longer-lived and more versatile than...
LED Production Goes Bigger, Gets Better
Jun 1, 2013 — LED makers strengthen the appeal of their products by adopting a semiconductor-industry-type approach to yield management, defect control and dedicated manufacturing equipment. Compared with semiconductor fabrication, LED production is still in...
Air Force Funds Study of Plasma-Wall Interactions
ATLANTA, Sept. 7, 2011 — The US Air Force Office of Scientific Research (AFOSR) has awarded the Georgia Institute of Technology and the University of Alabama a $2.5 million grant for a five-year plasma-wall research program that could lead to improvements in high-intensity...
Xicato Secures LED Tech Patents
Jul 1, 2011 — Xicato, a solid-state lighting company based in San Jose, Calif., was issued US Patent Nos. 7942556 and 7942540 for its Corrected Cold Phosphor Technology for LED lighting applications. Patent 7942556 addresses fundamental aspects of the technology,...
Xicato Issued Patents on Corrected Cold Phosphor Technology
SAN JOSE, Calif., June 6, 2011 — Solid-state lighting manufacturer Xicato has announced the receipt of two patent issuances from the US Patent Office. Patent 7942556 addresses fundamental aspects of Corrected Cold Phosphor Technology used in the company’s LED module...
Vacuum Ultraviolet Luminescence Characterization System
CHELMSFORD, Mass., May 16, 2011 — McPherson Inc. has been contracted to build a characterization system that will help the Polish Academy of Science’s Institute of Low Temperature and Structure develop vacuum ultraviolet excitable phosphors. The benign discharge of a noble gas...
Organic phosphors glow in jewel tones
ANN ARBOR, Mich. – A new class of pure organic compounds that glow in jewel tones could lead to cheaper, more efficient and more flexible display screens, among other applications. Researchers at the University of Michigan developed a class of material that shines...
Jewel-toned Organic Phosphorescent Crystals
ANN ARBOR, Mich., Feb. 15, 2011 — A new class of pure organic compounds that glow in jewel tones could potentially lead to cheaper, more efficient and flexible display screens, among other applications. University of Michigan researcher Jinsang Kim and his colleagues have developed...
Cree, Philips Cross-License Patents
DURHAM, N.C., July 20, 2010 — Cree Inc. and Royal Philips Electronics of the Netherlands, announced they have signed a comprehensive, worldwide patent cross-license agreement designed to further accelerate the growth of the LED lighting market. The agreement covers patents from...
Merck to Present Green Materials at SID
DARMSTADT, Germany, May 20, 2010 — For SID Display Week in Seattle (May 23 to 28), Merck KGaA is using the heading green³ to convey how environmentally friendly its materials are. Specifically, green³ stands for producing eco-friendly materials, enabling eco-friendly...
LEDs Shine at Work
Aug 1, 2009 — Technology is the great catalyzer, catapulting the LED industry forward by enhancing existing applications and enabling new ones. Many technological advances are pushing LEDs away from the old single-color realm where they were used for specific...
Intematix Launches Technology Center in Taiwan
Oct 1, 2007 — Intematix Corp. of Fremont, Calif., a supplier of phosphors for solid-state lighting applications, has launched the Intematix Technology Center in Yang Mei, Taiwan. The unit will serve as a marketing and sales arm for phosphors and other components...
Phosphorescent Acrylates Could Permit Nonelectric Illumination
Apr 1, 2007 — Lights and signs that phosphoresce brightly for an extended period could provide individuals with a sense of security when the electricity fails. Establishment of a full-color spectrum in these systems, however, requires red, green and blue sources....
Alternate Packaging Improves White LEDs
Jul 1, 2005 — Various techniques for boosting the performance of white LEDs are being considered to reach the target of luminous efficacy of 150 lm/W by 2012. Investigators at Rensselaer Polytechnic Institute’s Lighting Research Center in Troy, N.Y., have...
Toshiba America-Electronic Components Inc.
Jan 1, 2003 — Toshiba America Electronic Components Inc. of Irvine, Calif., has produced a phosphor-integrated white LED that emits light at a peak wavelength of 380 nm. Designated the TLWA1100, its color is determined by excited RGB phosphors, offering...
(20 results found)
May 2024
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