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LEDs News
National University of Singapore Develops Large-Area, Flexible NIR LEDs
SINGAPORE, Dec. 30, 2019 — A research team led by Tan Zhi Kuang from the Department of Chemistry and the Solar Energy Research Institute of Singapore (SERIS) has developed high-efficiency, near-infrared LEDs that can cover an area of 900 mm2 using low-cost solution-processing methods.
Chalcogenide Perovskites Show Promise for Optoelectronics Applications
BUFFALO, N.Y., Dec. 30, 2019 — A new barium zirconium sulfide (BaZrS3) thin film, developed by a team at the University at Buffalo, combines strong light absorption with good charge transport — two qualities that could be useful for optoelectronics applications such as...
Smart Microscope Teaches Itself Settings for Diagnosing Disease
DURHAM, N.C., Nov. 25, 2019 — Engineers at Duke University used machine learning to develop a microscope capable of adapting its lighting angles, colors, and patterns while teaching itself the optimal settings needed to complete a diagnostic task. In a proof-of-concept study,...
The Relightables System Captures Character Lighting for Virtually Any Environment
MOUNTAIN VIEW, Calif., Nov. 21, 2019 — Computer scientists at Google have developed a system for high-quality, relightable performance capture. The volumetric capture system, called The Relightables, can capture full-body reflectance of 3D human performances and seamlessly blend them...
Interactive Hologram Uses Ultrasound Waves and LEDs
SUSSEX, England, Nov. 15, 2019 — Researchers at the University of Sussex have built a device that uses LEDs and ultrasound waves to levitate a polystyrene bead and create tactile, 3D holograms. The device, known as a Multimodal Acoustic Trap Display (MATD), maneuvers the 2 mm-wide...
Transparent Displays Become More Affordable, Flexible
WASHINGTON, D.C., Nov. 8, 2019 — Researchers from Zhejiang University in China and the KTH Royal Institute of Technology in Sweden report fabrication of meter-scale transparent conductive circuits based on silver nanowire networks, demonstrated in both rigid and flexible...
Round-III Finalists of the Luminate NY Accelerator Announced
ROCHESTER, N.Y., Nov. 8, 2019 — Empire State Development has announced its list of 10 finalists for the Lightning Round of Luminate NY, the world’s largest business accelerator for optics, photonics, and imaging (OPI) startups. The event, hosted the evening of Nov. 7 by the...
A Stretchable Display Safely Lights Up Human Skin
NANJING, China, Oct. 31, 2019 — A stretchable light-emitting device that operates at low voltages and is safe for human skin, developed by researchers at Nanjing University, could one day provide runners and others with a convenient alternative to a stopwatch or cellphone,...
BluGlass Launches Laser Diode Business Unit
SYDNEY, Oct. 28, 2019 — Australian semiconductor developer BluGlass Ltd. has announced a direct-to-market business unit that will enable higher brightness and higher efficiency GaN laser diodes. Similar to LEDs, laser diodes are used in several commercial applications such...
Laser Technology Cuts Critical Blood Incubation Time
MELBOURNE, Australia, Oct. 21, 2019 — A new laser technology vastly improves pretransfusion testing, cutting blood incubation time from the current standard of five minutes to just 40 seconds. Developed by researchers at the Bioresource Processing Institute of Australia (BioPRIA),...
Hybrid LED Could Power Li-Fi, Electrically Driven Lasers
NEW YORK, Oct. 3, 2019 — A City College of New York (CUNY) research team has demonstrated an LED based on half-light, half-matter quasiparticles in atomically thin materials. The device was fabricated using stacks of atomically thin semiconductor materials embedded in an...
Lidar and Optical V2V: On the Road to Autonomous Vehicles
Oct 2, 2019 — Two different optical technologies — one already deployed, the other still on the drawing board — promise to ease autonomous vehicle integration. Lidar, the optical analog to radar, is deployed in Waymo and Uber vehicles and acts as the eyes,...
Optical Lace Could Give Robots Higher Tactile Capabilities
ITHACA, N.Y., Sept. 16, 2019 — Optical lace — lacings of stretchable optical fibers distributed throughout 3D-printed elastomer frameworks — could be used to create a linked sensory network similar to a biological nervous system that would enable soft robots to sense how they...
Device Generates Renewable Electricity from Cold Night Sky
LOS ANGELES and PALO ALTO, Calif., Sept. 13, 2019 — An inexpensive thermoelectric device demonstrated the ability to power an LED at night by harnessing the cold of space to generate electricity. Such a device could be used for power generation in remote locations and to produce renewable electricity...
2-Level Optogenetic Device Could Broaden Options for Large-Mammal Studies
GLASGOW, Scotland, and SALT LAKE CITY, Sept. 13, 2019 — An implantable optrode array, developed by researchers at the University of Strathclyde and the University of Utah, is capable of exciting below-surface neurons in large mammal brains both by structured-light delivery and by large-volume...
NIST Automates and Upgrades Its LED Photometry Lab
GAITHERSBURG, Md., Sept. 11, 2019 — The National Institute of Standards and Technology (NIST) has improved the accuracy and speed of its calibration service for assessing the brightness of LED lamps and other solid-state lighting products. Customers for this service include LED lamp...
Display Manufacturing Enriches Consumer Products
Jul 16, 2019 — Consumer electronics are growing more sophisticated, at breakneck speed and with remarkable advancements in technology and refinement. A highly visible example is the ever-increasing picture clarity in large-screen TVs, and in the evolution of...
Innovations in Optics Hires Donahue as Manufacturing Operations Director
WOBURN, Mass., July 3, 2019 — Innovations in Optics Inc. has hired Dennis Donahue as director of manufacturing operations. He will report directly to CEO Thomas Brukilacchio.
Washable Electronic Textiles Detect Electrocardiogram Signals
DAEJEON, South Korea, June 27, 2019 — A transistor fiber for use in wearable electronics has been developed by researchers at the Korea Institute of Science and Technology (KIST). The transistor, which has the characteristics of a textile, can be inserted into clothing and retain an...
A Light-Driven Process to Oxidize Plastic Surfaces for Industry Safely
OSAKA, Japan, June 17, 2019 — Researchers at Osaka University have developed a light-driven process for oxidizing polypropylene (PP), a widely used plastic, without creating waste. The process uses a reactive chlorine dioxide radical to make the plastic reactive. PP is normally...
Color-Tuning Technique Uses a Single LED
BETHLEHEM, Pa., May 10, 2019 — In active LED displays, different colors are produced by three to four individual LEDs that are placed close to each other to create the different colors needed to make up the full color spectrum. An international research team has demonstrated that...
New Red Phosphor Could Make LEDs More Energy-Efficient
INNSBRUCK, Austria, May 2, 2019 — A team at the University of Innsbruck, in cooperation with OSRAM Opto Semiconductors, has synthesized a new high-performing red phosphor for LEDs that could make LED lighting more energy-efficient. The new phosphor, called SALON by the researchers,...
Semiconductor Homostructures Could Improve LED Design
MOSCOW, April 23, 2019 — Researchers from the Moscow Institute of Physics and Technology (MIPT) have found that superinjection, an effect previously believed to be possible only in semiconductor heterostructures, can also occur in homostructures, that is, in structures made...
Laser Processing Method Could Increase Efficiency in Optoelectronic Devices
WASHINGTON, D.C., April 17, 2019 — A new way to passivate defects in next-generation optical materials could improve quality in optoelectronic applications and enable the miniaturization of LEDs and other optical elements. The advance uses a laser processing technique developed by...
New Approach to LEDs Could Reduce Costs of Public Lighting
KARLSRUHE, Germany, April 5, 2019 — To increase LED streetlight efficiency, a team at Karlsruhe Institute of Technology (KIT) developed an array of weaker LEDs to use as an alternative to conventional high-performance diodes. Streetlights with the new light heads will be tested in the...
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June 2024
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