Lighting

Powering & Controlling LEDs

Browse the latest advancements, applications, and technical briefs essential to design engineers working with powering and controlling LEDs systems. Find multimedia resources to address your design challenges.

Researchers working at the Ultrafast Laser Lab at the University of Kansas successfully created a new bilayer material, with each layer measuring less than one nanometer in...

News : Lighting
New Phosphors and Next-Generation Lighting

Researchers from KU Leuven in Belgium, the University of Strasbourg, and CNRS have discovered a new phosphor that could make next-generation fluorescent and LED lighting even cheaper and more efficient. The team used highly luminescent clusters of silver atoms and the porous framework of minerals known...

News : Sensors/Data Acquisition
NASA’s Pressure-Sensitive Paint Tests Aircraft Designs

NASA’s bright pink Pressure-Sensitive Paint (PSP) is helping to test new aircraft designs. A thin coat of PSP is sprayed onto the model that will be tested in the wind tunnel and allowed to dry. The model is then installed in the wind tunnel, which also is equipped with a series of blue...

News : Lighting
Graphene-based TEs for flexible, efficient OLEDs

The arrival of a thin, lightweight computer that even rolls up like a piece of paper will not be in the far distant future. Flexible organic light-emitting diodes (OLEDs), built upon a plastic substrate, have received greater attention lately for their use in next-generation displays that can be...

News : Lighting
Researchers Develop Power-Generating Shoes

An energy-harvesting technology developed by University of Wisconsin-Madison researchers captures the energy of human motion to power mobile electronic devices. The footwear-embedded energy harvester could be especially useful for the military, as soldiers currently carry heavy batteries to power their...

News : Lighting
'Invisible' Wires Improve Solar-Cell Efficiency

Scientists from Stanford University have discovered how to make the electrical wiring on top of solar cells nearly invisible to incoming light. The new design, which uses silicon nanopillars to hide the wires, could dramatically boost solar-cell efficiency.

In most solar cells, the upper...

News : Lighting
New Technology Can Expand LED Lighting

Highly efficient, light-emitting diodes (LEDs) could slash the world’s electricity consumption. They are already sold in stores, but more widespread adoption of the technology has been hindered by high costs due to limited availability of raw materials and difficulties in achieving acceptable light...

News : Lighting
Blue LEDs Could Provide Chemical-Free Food Preservation Technology

A team of scientists from the National University of Singapore (NUS) has found that blue light emitting diodes (LEDs) have strong antibacterial effects on major foodborne pathogens, and are most effective when in cold temperatures (between 4°C and 15°C) and mildly acidic...

News : Energy
Nanogenerator Harvests Power from Rolling Tires

A group of University of Wisconsin-Madison engineers and a collaborator from China have developed a nanogenerator that harvests energy from a car's rolling tire friction. The technology ultimately could provide automobile manufacturers with a new way to reuse energy and provide greater vehicle...

News : Photonics/Optics
"TREASORES" Project Moves Towards "Printed" Organic Solar Cells, LEDs

Flexible optoelectronic devices that can be produced roll-to-roll – much like newspapers are printed – are a highly promising path to cheaper devices such as solar cells and LED lighting panels. Scientists from "TREASORES" project recently demonstrated prototype flexible...

News : Nanotechnology
Researchers Develop Hybrid Supercapacitors

UCLA researchers have successfully combined two nanomaterials to create a new energy storage medium that combines the best qualities of batteries and supercapacitors.

The new hybrid supercapacitor stores large amounts of energy, recharges quickly, and can last for more than 10,000 recharge cycles. The...

Approximately 25 percent of global energy consumption goes to lighting applications, so making lighting more energy-efficient could have a dramatic impact on overall energy usage or make more...

LEDs are experiencing increasing acceptance and growth across many market segments. Part of this growth is due to new, higher-power LEDs that can be packaged in increasingly small areas. However, increased...

Articles : Lighting
The Future Looks Dimmer

Originally fueled by environmental concerns and the steadily rising cost of electricity, the market for energy- efficient lighting has been dramatically accelerated by regulations that will restrict the sale of most...

Articles : Lighting
Specifying Gaskets for Outdoor LED Lighting Fixtures

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...

Products : Lighting
Parking Garage/Utility Light

Light Efficient Design (North Barrington, IL) recently introduced its new LED-8025 Garage / Utility light. Designed for low bay applications in parking structures and warehouses, this patent pending lamp replaces existing High Intensity Discharge (HID) or High Pressure Sodium (HPS) bulbs. Up until now, facility...

Products : Lighting
27-Watt LED Bulb

GE Lighting (East Cleveland, OH) recently announced a light-emitting diode replacement for the 100-watt incandescent light bulb that packages 27 watts of input power in a standard “A-19” bulb shape. The GE Energy Smart® 27-watt LED bulb incorporates proprietary synthetic jet technology that was enabled by GE’s...

Products : Lighting
Blasting Gun Light

Magnalight.com from Larson Electronics (Kemp, TX) has announced its explosion-proof BLG-LED-4 LED blasting gun light. Battery powered and mounted to a standard industrial blasting gun, the BLG-LED-4 LED includes a lens...

Products : Lighting
LED Drivers

Texas Instruments (Dallas, TX) has introduced the TPS92311, an off-line primary side sensing controller. AC input voltage supports all common line voltages (100V, 120V, 230V, 240V, 277V), and adaptive constant on-time (COT) provides inherent power factor correction with no external components. To minimize stroboscopic effects, peak...

Products : Lighting
Remote Phosphor LED

Intematix Corporation (Fremont, CA) has announced the availability of ChromaLit™ Contour. Lighting manufacturers can implement ChromaLit Contour to produce 60, 75 and 100 watt-equivalent omni-directional light in an LED...

Products : Lighting
LED Array Holder

Molex Incorporated (Lisle, IL) recently announced that its new LED array holder will support Citizen Electronics’ recently introduced Chip on Board (COB) series of arrays: CLL010, CLL020, CLL030, CLL040 and CLL050. Molex currently offers LED array holders for the Citizen CLL-330 and CLL340 LED array products which provide...

Products : Lighting
LED Selector App

Osram Opto Semiconductors (Sunnyvale, CA) has built an Automotive Signal LED Selector, a new Webbased smart phone app for designers of exterior automotive lighting. Available for the iPhone, Android, Blackberry OS, or other devices with a Web browser, the tool enables engineers to quickly select LEDs by function, color,...

Products : Lighting
Digital Fade Dimmer

Light control manufacturer Lutron Electronics (Coopersburg, PA) recently announced the addition of the Maestro ® digital fade dimmer to its C•L™ dimmer collection. C•L dimmers work not only with today’s most popular light bulbs, but also with dimmable compact fluorescents (CFLs) and dimmable LEDs. C•L dimmers...

Products : Lighting
Flat Panel Downlight

Global Lighting Technologies (Brecksville, OH) has improved the performance of its standard 2×2 ft.-square, edgelit, LED-based flat panel downlight assembly by developing a brighter and more efficient SSL for ceiling lights that delivers efficiencies greater than 70 lumens per watt using standard GLT 2×2-ft troffer...

Products : Lighting
High Brightness LEDs

Everlight Electronics (Taipei, Taiwan) has introduced the “Shwo D” LED series of surface-mount, high-power devices. With standard operating current of 350mA, the LEDs measure 3.5 × 3.5 × 0.58 mm. When driven at standard operating current of 350mA, the minimum luminous flux (lm) of the 1W Shwo D can increase to 110 lm...

Products : Lighting
AC/DC LED Drivers

The PDA080B-48VG LED driver from Phihong USA (Fremont, CA) is rated for inputs of 100 VAC to 304 VAC. The driver, which has a maximum output of 80W at 48 VDC and 1.67A, is compliant with UL8750 and bears safety approvals from CE and cUL/UL. The water-resistant PDA080B features an ingress protection rating of 65; it can...

Products : Lighting
Smartphone LCD Backlight LED Drivers

austriamicrosystems (Unterpremstaetten, Austria) has released the AS3674 and AS3490 LED backlight drivers for smartphone LCD displays. The LED drivers enable application efficiency at a peak level of 90%, including the DC/DC converter and the current sources. The drivers, which feature a PCB footprint of 11.5...

Products : Lighting
Ceiling Mount LEDs

The ZELARA series from Zenaro Lighting (Boynton Beach, FL) offers LED-recessed light fixtures with two diameters of 118 and 170 mm. The ZELARA downlights achieve light beams of at least 15°, 35°, and 50°. Two light colors of 2700K and 5700K are optionally available.

Articles : Lighting
LED Backlighting From the Sidelines to Center Stage in Under 30 Years

Though often drowned out by the excitement generated by general illumination LEDs, LED backlighting technology has evolved dramatically over the past 30 years. Continued advances in design and performance have allowed each new generation of LED backlighting technology to...

Products : Lighting
Power Supplies

Green Watt Power (Concord, CA) has announced the GLC-150 Series of AC/DC LED power supplies. The GLC-150 Series has a universal / full range AC input voltage of 100 — 277 VAC. The power supplies offer 150W output power and are available in six different models of constant-current output: 2.8A, 3.2A, 3.75A, 4.2A, 5.0A, or 6.25A....

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