LEDs & OLEDs
Technology
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Jul 29, 2010
New coating is virtual black hole for reflections
Researchers have created an anti-reflective coating that allows light to travel through it, but lets almost none bounce off its surface.
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Technology
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Jul 29, 2010
Rensselaer researchers create world's first ideal anti-reflection coating
Troy, N.Y. -- A team of researchers from Rensselaer Polytechnic Institute has created the world’s first material that reflects virtually no light. Reporting in the March issue of Nature Photonics, they describe an optical coating made from the material that enables vastly improved control over the basic properties of light.
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Technology
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Jul 29, 2010
Arrowhead subsidiary collaborates with Kyma Technologies to reduce the cost of blue lasers and blue LEDs
PASADENA, Calif., Arrowhead Research Corporation (NASDAQ ARWR) announced today that its majority-owned subsidiary, Aonex Technologies, Inc. has entered into a collaborative agreement with Kyma Technologies, Inc., a producer and marketer of semiconductor products, to develop materials to reduce the cost of gallium nitride (GaN)-based devices such as blue laser diodes and blue light emitting diodes (LEDs).
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Technology
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Jul 29, 2010
SDK develops new crystal growth technology for GaN-based blue/white LEDs
Showa Denko K.K. (SDK) has developed a new process for making high-quality compound semiconductors based on gallium nitride (GaN) and other nitrides to meet growing demand mainly for use in blue/white LEDs.
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Technology
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Jul 29, 2010
Philips Lumileds LED technology breakthrough fundamentally solves efficiency losses at high drive currents
San Jose, CA — Philips Lumileds today announced it has fundamentally solved the problem of “droop”, a phenomenon common to white power LEDs in which efficacy (lumens per watt) decreases as current increases.
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Technology
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Jul 29, 2010
Cyberlux Corporation defines breakthrough hybrid organic / inorganic lighting capability
Company’s Exclusive Rights to Hybrid Lighting Technology from University of California-Santa Barbara Combined with Exclusive Rights to Scattered Photon Extraction Technology from Rensselaer Polytechnic Institute Creates Foundation for Sustainable Competitive Advantage.
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Technology
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Jul 29, 2010
Bright white beetle dazzles scientists
An obscure species of beetle could teach us how to produce brilliant white ultra-thin materials, according to a research team led by the University of Exeter.
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Technology
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Jul 29, 2010
Cheaper LEDs from breakthrough in ZnO nanowire research
Engineers at UC San Diego have synthesized a long-sought semiconducting material that may pave the way for an inexpensive new kind of light emitting diode (LED) that could compete with today's widely used gallium nitride LEDs, according to a new paper in the journal Nano Letters.
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Technology
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Jul 29, 2010
UC Santa Barbara Researchers Set New Records in Energy Efficient Light Emitting Diodes
Santa Barbara, California USA-- Researchers at UC Santa Barbaras Solid State Lighting & Display Center and the Japan Science & Technology Agencys Exploratory Research for Advanced Technology program (JST ERATO) have set new records for nonpolar and semipolar light emitting diode (LED) efficiency.
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Technology
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Jul 29, 2010
Team awarded for better bulb discovery
A team of scientists at Vanderbilt University have been given an award from Popular Mechanics magazine for a discovery that could someday replace the common light bulb, the researchers say.
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Technology
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Jul 29, 2010
MIT chemist studies how electrons behave
New spin on electrons could improve lights, other devices. Troy Van Voorhis likes to watch how things work. This natural curiosity led to his current research on the behavior of electrons and how they function in various molecular systems, including artificial photosynthesis.
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Technology
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Jul 29, 2010
Shimei Semiconductor grows blue LED on silicon wafer
"Shimei Semiconductor Co. has developed a blue LED grown on a silicon wafer that it plans to make available by next April.
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Technology
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Jul 29, 2010
QD Vision improves quantum-dot LED performance
WATERTOWN, Mass., QD Vision, Inc., announced it has achieved significant improvements in efficiency of its red quantum-dot light-emitting devices (QD-LEDs). The trend of improvements in brightness, color, resolution and other metrics continue to advance QD- LEDs toward best-in-class performance levels among display technologies.
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Technology
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Jul 29, 2010
Organic semiconductors make cheap, flexible photovoltaics and LEDs
Imagine T-shirts that light up, or a beach umbrella that collects solar energy to run a portable TV. How about really cheap solar collectors for the roof? All this and more could come from cutting-edge research at Cornell that demonstrates a new type of organic semiconductor device which shows electroluminescence and acts as a photovoltaic cell.
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Technology
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Jul 29, 2010
QD Vision chief technologist Seth Coe-Sullivan named top innovator by Tech Review Magazine: MIT journal honors 35 top scientific and technology innovators under the age of 35
WATERTOWN, MA, SQD Vision, Inc. announced that Cofounder and Chief Technologist Seth Coe-Sullivan has been recognized by Technology Review as one of the world’s Top Science and Technology Innovators under the age of 35 for his breakthrough work in quantum dot LED performance and manufacturing process technology.
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Technology
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Jul 29, 2010
Japanese scientists have proposed a solution to the puzzle of why blue light-emitting diodes are so bright
Despite huge commercial success, until now the reason for the unusual brightness has not been known. The material they are made from - indium gallium nitride - can only be fabricated to such a poor quality that it would not be expected to emit much light.
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Technology
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Jul 29, 2010
Rensselaer researchers aim to close 'green gap' in LED technology
Troy, N.Y. - A team of researchers from Rensselaer Polytechnic Institute has received $1.8 million in federal funding to improve the energy efficiency of green light-emitting diodes (LEDs).
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Technology
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Jul 29, 2010
Novel Nano-Etched Cavity Makes LEDs 7 Times Brighter
Researchers at the National Institute of Standards and Technology (NIST) have made semiconductor light-emitting diodes (LEDs) more than seven times brighter by etching nanoscale grooves in a surrounding cavity to guide scattered light in one direction.
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Technology
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Jul 29, 2010
Paint-on semiconductor outperforms chips
Researchers at the University of Toronto have created a semiconductor device that outperforms today's conventional chips -- and they made it simply by painting a liquid onto a piece of glass.
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Technology
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Jul 29, 2010
Photonics crystals improve LED efficiency
A 50% increase in efficiency is a significant stride toward being viable sources for solid-state lighting.
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