LEDs/Lighting

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Energy Focus, Inc. announced that it has recently received an additional $1.5 million order to provide IntelliTube™ LED fluorescent replacement tubes, IntelliTube LED berth light fixtures, and a variety of the company's high performance LED globe fixtures to upgrade the lighting on a number of U. S. Navy ships. Installation of the lighting will be performed by U. S. Navy personnel.
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With the help of Panasonic LED and OLED lighting fixtures, the Japanese Ministry of the Environment is slashing overall energy use at a public station by 25 percent, with a 40-percent reduction in lighting energy alone. It’s all part of a pilot community development program called the Smart Station Project taking place at Jiyugaoka Station in Tokyo.
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Texas Instruments (Dallas, TX) has introduced a new LED controller with constant power regulation. The LM3447 AC/DC LED driver includes a dimmer detect, phase decoder and adjustable hold current circuits to provide smooth and flicker-free dimming operation in off-line, isolated LED lighting applications, including A19, E26/27 and PAR30/38 bulbs, as well as can light retrofits.
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The BioLume™ Garage Fixture is the first installment in a new series of patented bi-level hybrid fixtures from EverLast® Lighting (Jackson, MI) that integrate a 5000K induction lamp and amber LEDs with SMART sensor controls to provide biologically sensitive, dark-sky friendly, and energy-efficient lighting. When an area is vacant, amber-colored LEDs emit biologically-friendly light. When the sensor is triggered by motion, the induction lamp turns on to provide bright white light for enhanced security. Developed in partnership with the California Lighting Technology Center (CLTC) at UC Davis and EverLast® Lighting, the BioLume™ Series was inspired by the increasing con cern within the industry that certain light levels at night may result in biological disturbances or imbalances to certain species due to the hormonal stimulation that occurs with shorter wavelengths corresponding to typical high color temperature light sources.
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Ohmite Manufacturing (Arlington Heights, IL) has introduced Wakefield Solutions’ 19000 Series radial-fin heat sink extrusions for LED light engines. Options range from a maximum 14.7°C rise for a 4.5 watt power rating to a maximum 29.2°C rise for a 42.8 watt power rating. All models do not exceed a maximum LED substrate temperature of 75°C, and are available in multiple sizes, weights, and thermal resistances.
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EYE Lighting International of North America (Mentor, OH) recently introduced of its high-G, high-intensity onboard LED lighting system for high-speed crash test photography.
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Edwards (Crawley, West Sussex, UK) has introduced the new iXH645H dry pump. The new pump has been optimized for MOCVD processes used in LED manufacturing, as well as for compound semiconductor manufacturing using III-V materials in gate stacks. The iXH645H delivers very high gas flow capability and is able to operate continuously at the high loads required for the latest-generation LED manufacturing tools.
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Gigahertz-Optik (Newburyport, MA) has developed a cost effective measurement system consisting of the BTS256-LED tester and LPS-20-1500 LED power supply with S-BTS256 software to assist with single pulse LED binning.
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Phihong USA (Fremont, CA) has developed a new multichannel driver for indoor and outdoor lighting applications. Designated the PDA037W-350G, the driver is equipped with four outputs of 350mA and offers 0-10V dimming capability.
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Dolan-Jenner Industries (Boxborough, MA) has announced the availability of its Fiber-Lite® model LMI-6000 LED Fiber Optic Illuminator.
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Lumex (Palatine, IL) recently launched its QuasarBrite High-Temperature Surface-Mount (SMD) Seven- Segment numeric LED Display technology. Whereas standard seven-segment LED displays can operate at temperatures up to 85°C, the combination of proprietary epoxy and plastic used allows the new Lumex high-temperature technology to provide outstanding color and brightness performance at up to 105°C.
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Light-Based Technologies (LBT) (Vancouver, B.C.) recently announced the release of its ultra-compatible deep dimming LED Driver. The UC LED Driver is targeted at North American and Japanese lighting fixture manufacturers.
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Spectronics Corporation (Westbury, NY) has introduced the powerful Spectroline® TRITAN ™ 365, an ultra-high-intensity, multi-LED, broad-beam UV-A inspection lamp perfect for NDT applications. The TRITAN 365 features three ultra-hi-flux UV-A LEDs for NDT inspection, plus a white light LED to illuminate dark areas. It produces a nominal steady-state 365nm intensity of 9,000 μW/cm² at a distance of 15 inches (38 cm). This versatile lamp meets MIL and ASTM intensity specs for FPI and MPI.
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LED lighting technology has the potential to lower energy consumption and reduce maintenance costs on outdoor installations such as area lighting and parking lights, street lights and other “difficult to reach” outdoor locations. When operating in controlled temperatures and weatherproof environments, solid state LED lights are designed to operate for 5 to 10 years. Outdoor LED housings and lighting enclosures are constructed from powder coated aluminum to resist the effects of direct sun and weather for many years. However, if the full payback on the investment in outdoor LED lighting is to be realized, the gaskets required to protect the solid state electronics must function for the 5 to 10 year life of the product.
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Devices such as light-emitting diodes (LEDs) and lasers are typically based upon the accumulated emission from a large number of gas phase atoms, ions in solids, electron-hole pairs in semiconductors, or other fluorescence centers. In such macroscopic devices, the behavior of individual fluorescence centers is often hard to ascertain, but there are a number of benefits if this can be done. In addition to informing the design of traditional light-emitting devices, such single emitter spectroscopy is central to a number of important new technologies. For example, future information processing systems might take advantage of single emitters as single photon sources, as memory nodes in a quantum network, or as low power optical transistors, while metrology may benefit from the sensitivity of a single emitter to its local environment.
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New materials could find applications in solar cells and light emitting diodes.

Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential applications including advanced solar cells and quantum computing.
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Physicists at the University of Utah have invented a new “spintronic” organic light-emitting diode (OLED) that promises to be brighter, cheaper and more environmentally friendly than the kinds of LEDs now used in television and computer displays, lighting, traffic lights and numerous electronic devices.
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Scientists at North Dakota State University have recently developed a family of novel organometallic materials that have unique optical properties that make it ideal for use in optical switches, organic light emitting devices (OLED), and optical sensors.
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Branded Cities Network (“BCN”), a division of Phoenix, AZbased EL Media Holdings USA, LLC, announced an exclusive representation agreement to sell digital advertising and integrated marketing campaigns on a new, full motion LED measuring over 18,000 sq. ft. in the heart of the famous Las Vegas Strip.
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LEDnovation (Tampa, FL) has expanded its EnhanceLite® MR16-35L Landscape line to include a 24° narrow-flood beam angle. The MR16-35Ls are comparable replacements for 35-watt halogen lamps. Designed for use in IP66 rated outdoor fixtures, the EnhanceLite® MR16-35L lamp produces light at a color temperature of 3000K. Other features include a CBCP of 1301; 350 lumen output (lm); 4.7W power consumption; and 74 lm/W efficacy.
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Electrically conductive meshes made of metal nanowires promise exceptional electrical throughput, low cost, and easy processing in applications like video displays, LEDs, and thin-film solar cells. However, in processing, these meshes must be heated or pressed to unite the crisscross pattern of nanowires that form the mesh - damaging them in the process.
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Check out the newly redesigned Jan/Feb issue of Lighting Technology. Cutting-edge research news, industrial lighting application stories, feature articles, products, and new technologies for license help bring in the new year.
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Researchers in the University of Toronto's Department of Materials Science & Engineering have developed what they say are the world’s most efficient organic light-emitting diodes (OLEDs) on plastic. This result enables a flexible form factor as well as a less expensive alternative to traditional OLED manufacturing.
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A cost-competitive solution for increasing the light extraction efficiency of organic light-emitting diodes (OLEDs) with efficient and stable color rendering index (CRI) for solid-state lighting (SSL) was developed and demonstrated. Solution-processable quantum dot (QD) films were integrated into OLED indium tin oxide (ITO)-glass substrates to generate tunable white emission from blue-emitting OLED devices.
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A research team funded by the Air Force Office of Scientific Research has pioneered the use of micro-plasmas in a revolutionary approach to illumination, and doctors Gary Eden and Sung-Jin Park of the University of Illinois, Urbana-Champaign, have founded Eden Park Illumination, Inc. to bring this new lighting technology to the world.
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