LEDs & OLEDs
Technology
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Jul 28, 2010
LUXEON® Rebel Lumen Maintenance Exceeds ENERGY STAR® Guidelines
Philips Lumileds’ announced today that test data for its LUXEON Rebel LEDs shows performance that exceeds ENERGY STAR® guidelines intended to ensure quality solid-state luminaire development. The data shows that LUXEON Rebel LEDs have average lumen maintenance of 99% after 6,000 hours, far surpassing the 91.8% ENERGY STAR requirements for residential fixtures as well as available published data for other power LEDs.
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Technology
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Jul 28, 2010
E-Static Shadows: OSRAM LED in Electronic Textiles
"E-Static Shadows" is an experimental cross-disciplinary research project by designer and researcher Dr. Zane Berzina and architect Jackson Tan from insquarelab in collaboration with TITV – Textile Research Institute Greiz in Thüringen, Germany, the Computing Department at Goldsmiths and Queen Mary University of London.
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Technology
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Jul 28, 2010
Low–Cost LEDs to Slash Household Electric Bills
The EPSRC Press Office recently announced: Engineering and Physical Sciences Research Council (EPSRC), the Cambridge University based Centre for Gallium Nitride has developed a new way of making GaN LEDs that could see household lighting bills reduced by up to 75% within five years.
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Technology
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Jul 28, 2010
New CALiPER Benchmark Report: Comparison of T12 and T8 Fluorescent Lamps and LED Linear Replacement Lamps
The U.S. Department of Energy (DOE) has published a new CALiPER Benchmark Report, presenting a comparison of T12 and T8 linear fluorescent lamps with commercially available LED linear replacement lamps. CALiPER testing addressed a range of standard lighting measures, including power usage, luminous flux, photometric distribution, source and luminaire efficacy, correlated color temperature (CCT), and color-rendering index (CRI) for the lamps tested separately and in troffers.
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Technology
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Jul 28, 2010
Smart Lighting: New LED Drops the “Droop”
Researchers at Rensselaer Polytechnic Institute have developed and demonstrated a new type of light emitting diode (LED) with significantly improved lighting performance and energy efficiency.
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Technology
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Jul 28, 2010
Bright White Light Coaxed from Unexpected Source
Duke researchers find an ultrafine form of zinc oxide can shine brilliantly when combined with sulfur.
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Technology
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Jul 28, 2010
World Record White OLED Performance Exceeds 100 lm/W
Universal Display Corporation (UDC) has successfully demonstrated a record-breaking white organic light-emitting diode (WOLED) with a power efficacy of 102 lm/W at 1000 cd/m2 using its proprietary, high-efficiency phosphorescent OLED technology.
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Technology
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Jul 28, 2010
BASF and OSRAM Set New Standards for OLEDs: 60 lm/W and White Color Requirements Met
BASF and OSRAM Opto Semiconductors have developed a highly efficient white organic light-emitting diode (OLED): for the first time an OLED not only is able to achieve a light yield of over 60 lumens per watt (lm/W), but also, at the same time, meets the international Energy Star SSL Standard with regard to color requirements.
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Technology
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Jul 28, 2010
Cree Achieves 161 Lumens per Watt from a High-Power LED
Cree, Inc. (Nasdaq: CREE), a leader in LED lighting, announces it has achieved industry-best reported R&D results of 161 lumens per watt for a white power LED.
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Technology
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Jul 28, 2010
New efficieny record for OLEDs
MUNICH, Germany — A research group of the Dresden Technical University has achieved record energy efficiencies for OLEDs. The achievement brings the organic LED technology closer to industrial volume production. The research team achieved an efficiency of 26, 22 and 3.1 percent for red, green and blue organic LEDs which combined form a white light source.
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Technology
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Jul 28, 2010
The OLLA Project Receives OSIA Award 2008 for Research & Development
At the Organic Semiconductor Conference (OSC-08) from 30th September until 1st October 2008 in Frankfurt (Germany), the European OLLA project received the 2008 Organic Semiconductor Industry Award (OSIA) in the Research and Development category.
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Technology
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Jul 28, 2010
World Record in the OSRAM Laboratory: 155 lm for Brightness and 136 lm/W for Efficacy at 350mA
By improving all the technologies involved in the manufacture of LEDs, OSRAM development engineers have achieved new records for the brightness and efficiency of white LEDs in the laboratory.
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Technology
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Jul 28, 2010
"Metallized" Silicon Substrate with a Reflective Layer of Zirconium Nitride for Low-Cost, Bright LED Lighting
Researchers at Purdue University have overcome a major obstacle in reducing the cost of "solid state lighting," a technology that could cut electricity consumption by 10 percent if widely adopted.
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Technology
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Jul 28, 2010
The OLLA Project - Final Milestone: Europe’s Most Efficient OLED Lighting Tile Demonstrated
At the end of the project period, the OLLA project* consortium presents its final milestone: the basic technology for a white OLED (Organic Light-Emitting Diode) light source, with an efficacy of 50.7 lumens per watt at an initial brightness of 1.000 cd/m² based on the Novaled PIN OLED technology. The OLLA project is a joint basic research consortium, headed by Philips Lighting.
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Technology
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Jul 28, 2010
Standards Set for Energy-Conserving LED Lighting
These solid-state lights are powered by energy-efficient light emitting diodes and are among the first ones of a new generation expected to cut energy needed for lighting by 50 percent by 2027.
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Technology
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Jul 28, 2010
Research for OLED mass production
The development of cost-effective processes for volume production of organic light emitting diodes (OLEDs) is the focus of the research work carried out under the CombOLED project. “The objective of this project, which is being funded by the EU and coordinated by OSRAM, is to create the necessary conditions for introducing the new light sources into lighting applications”, said Bernhard Stapp, Head of Solid State Lighting at OSRAM Opto Semiconductors.
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Technology
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Jul 28, 2010
OSRAM OLED Achieves High Levels of Efficiency and Lifetime
After only two years of development, OSRAM has achieved record values in the laboratory for organic light emitting diodes in warm white, with an efficiency of 46 lm/W and a brightness of 1000 cd/m² for more than 5000 hours.
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Technology
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Jul 28, 2010
GE Demonstrates World’s First “Roll-to-Roll” Manufactured Organic Light Emitting Diodes (OLEDs)
GE Global Research and GE Consumer & Industrial, today announced the successful demonstration of the world’s first roll-to-roll (newspaper printing-like process) manufactured organic light-emitting diode (OLED) lighting devices.
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Technology
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Jul 28, 2010
Student Develops New LED, Wins $30,000 Lemelson-Rensselaer Prize
A Rensselaer Polytechnic Institute student has developed a new type of LED that could allow for their widespread use as light sources for liquid crystal displays (LCDs) on everything from televisions and computers to cell phones and cameras.
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Technology
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Jul 28, 2010
ITRI develops alternate current LEDs
While ordinary 110/230 volt AC power must be converted to DC with a lower voltage for LED usage, at a cost and efficiency loss, Taiwan's Industrial Technology Research Institute (ITRI) has developed an alternate current light emitting diode (ACLED) with a luminous efficacy of 50lm/W, which does not need a AC-DC converter.
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