Electronics & Software

Lighting

Your destination for advances in Lighting. Design Engineers can access Technical Briefs, news in LEDs, OLEDs, Industrial Lighting, Power and Controlling LEDs. Discover new materials being introduced to improve lighting technologies.

Products : Lighting
Sapphire Crystal Grower

The K1 Kyropoulos Crystal Grower from Thermal Technology (Santa Rosa, CA) is suitable for LED substrate production. The 90 kg crystal grower features multiple, independently-controlled heating elements, weight sensors to determine the crystal's growth rate, and computerized control and data logging. Sapphire crystals have...

Products : Lighting
10-inch Sapphire Substrates

Monocrystal (Stavropol, Russia) has introduced ultra-large 10-inch c-plane epi-ready sapphire substrates. The LED industry continues shifting to larger diameter substrates as it strives to achieve higher cost savings and to increase production throughput of quality LED chips. Sapphire substrates are used for more than...

Products : Lighting
Projection Exposure System

The UX4-LEDs projection exposure system from USHIO America, Inc. (Cypress, CA) is for manufacturing LED chips. The system allows full-field exposure of 6-inch wafers while preventing wafer warpage or distortion — achieving a throughput enhancement of 300% compared with conventional stepper systems. It requires...

Products : Lighting
Green Aluminate and Red Nitride Materials

Intematix (Fremont, CA) has introduced two LED phosphor families: green aluminate and red nitride materials that enable high-quality white illumination when applied to blue LEDs. The phosphor families meet the material requirements for display backlighting and general lighting applications by offering an...

Products : Lighting
LED Driver ICs

Power Integrations (San Jose, CA) offers seven new members of its LinkSwitch-PH family of LED driver ICs. Optimized for industrial and commercial settings where high efficiency and system longevity are dominant requirements, the new devices (LNK413-LNK419) are suitable for lighting applications ranging from 3 W bulbs to 55 W...

News : Energy
A Trip to the WEEC

Last Thursday, I left New York for DC to check out the World Energy Engineering Congress (WEEC) held at the Washington Convention Center. Though my Amtrak train was a little slow in getting there, the show flew by in a flash.

News : Green Design & Manufacturing
Updated Energy Efficiency Modeling Software Programs

The U.S. Department of Energy (DOE) has released updated versions of its EnergyPlus simulation software and OpenStudio Plug-in for Google SketchUp, which help engineers and architects design better functioning, more energy-efficient buildings.

News : Energy
The November Issue of Lighting Technology Has Arrived

Check out the new issue of Lighting Technology for more new feature articles, videos, application stories, tech briefs, products, and more - all on the latest advances in LEDs and solid-state lighting.

Briefs : Transportation
LED Lighting for Maintenance and Construction Vehicles

Strobe or rotating beacon-type emergency lighting is a requirement on all Minnesota Department of Transportation (Mn/DOT) maintenance and construction vehicles. There is an effort to replace the standard warning lighting with LED-based lights in order to reduce cost of replacement and...

News : Energy
Harvesting Solar Energy From Pavement to Power Streetlights, Heat Buildings

The heat radiating off roadways has long been a factor in explaining why city temperatures are often considerably warmer than nearby suburban or rural areas. University of Rhode Island researchers are examining methods of harvesting that solar energy to melt ice, power...

News : Lighting
Nanostructuring Technology Creates Efficient, Ultra-Small Displays

University of Michigan scientists have created pixels that will enable LED-projected and -wearable displays to be more energy efficient with more light manipulation possible - all on a display that may eventually be as small as a postage stamp.

News : Lighting
New Facility Aims to Make LED Lighting More Natural

A new lab at the National Institute of Standards and Technology (NIST) is dedicated to improving the quality of light that light-emitting diodes (LEDs) produce. NIST vision scientists Wendy Davis and Yoshi Ohno and a team of physicists created the NIST Spectrally Tunable Lighting Facility...

Articles : Lighting
Dimming LEDs, Without the Flicker

Light-emitting diode (LED) lighting is a mainstream technology now. LED flashlights, traffic signals, and vehicle lights are commonplace, and the push is on to replace incandescent and fluorescent lamps in mains-powered residential, commercial, and industrial applications. The energy savings to be earned by...

Articles : Lighting
Enhanced Protection for LEDs: Parylene Offers a Clear View into the Future

All LEDs, OLEDs, and AMOLEDs (light-emitting diodes, organic LEDs, and active-matrix OLED, respectively) are miniaturized solid-state technologies. Some are moving into the realm of quantum dot nanotechnology. Because they are all highly miniaturized electronic...

Articles : Lighting
Optical Feasibility of a True LED MR16 Lamp

Nowhere is the motivation to convert all light sources to light-emitting diodes (LEDs) more evident than at the local home improvement store. Even a cursory glance at the LED bulbs on the MR16 shelf is likely to overwhelm consumers and lighting professionals alike. MR16 is a standard format for halogen...

Briefs : Lighting
LED Lighting for Maintenance and Construction Vehicles

Strobe or rotating beacon-type emergency lighting is a requirement on all Minnesota Department of Transportation (Mn/DOT) maintenance and construction vehicles. There is an effort to replace the standard warning lighting with light-emitting diode (LED)-based lights in order to reduce cost of...

This report describes the process and results of a demonstration of solid-state lighting (SSL) technology combined with occupancy sensors in a set of upright grocery store freezer cases....

Application Briefs : Lighting
LEDs Illuminate Major Bridge in China
Philips Lumileds, San Jose, CA
National Semiconductor, Santa Clara, CA

Abridge lighting project was recently completed in the Chinese city of Harbin, utilizing 1,288 linear floodlights containing 12,000 LUXEON Rebel Green LEDs from Philips Lumileds. The new lighting spanning the 1565-meter...

Application Briefs : Lighting
All Aboard: Making (Light) Waves
Ocean LED, Nuneaton, UK
Proto Labs, Maple Plain, MN

Richard Sant, Chief Designer at OceanLED, sought a fast and flexible way to make low-cost, high-quality components for the firm’s latest LED lights. He found the answer with Protomold®, the rapid injection molding service from Proto Labs®....

Techs for License : Lighting
LEDs Based on Lattice-Mismatched GaInP Alloys

Current white light generation techniques rely on color mixing from red, blue, and green light. While reasonable red and blue light-emitting diodes (LEDs) are available for this scheme, there currently exists a gap in the wavelength spectral window from roughly 530 nm to 570 nm — known as the...

Techs for License : Lighting
Phosphor Materials for UV-LED-Based Lighting Device

Scientists at Leiden University have invented novel phosphor materials based on rare earth elements, which have excellent absorption properties in the near-ultraviolet (UV) range and show strong blue and/or green emission with high quantum efficiency. This invention is particularly suitable for...

Products : Lighting
Online LED Design Tool

National Semiconductor (Santa Clara, CA) has introduced the WEBENCH® LED Architect, which enables novice and expert designers to perform real-time comparisons and optimize complex lighting systems for performance, size, and cost. To start a design, the designer enters desired light output (lumens) and adjusts...

Products : Lighting
DC LED Lighting Fixture

The CL Series LED lighting fixture from Selco Products Company (Reno, NV) is designed for 12V-24V DC systems in a variety of transportation and outdoor lighting applications. The fixtures feature a wide operating temperature range of ‒40ºC to +60ºC and waterproof housing. With a low profile of 0.5”, two mounting...

Products : Lighting
LED Power Supply

A new 70-watt LED power supply from Emerson Network Power (Columbus, OH) is in the company's LDS70 power supply series, and provides constant-current and constant-voltage modes of operation. The power supply operates from ‒40ºC to +60ºC, with a low-profile form-factor and IP67 ratings. Dimmable options are also offered. The...

Products : Lighting
Dichroic Color Changing Fixture

The Nemo is the latest in the SeaChanger line of dichroic color changers from Ocean Thin Films (Largo, FL) designed to deliver a new, energy-efficient class of high-intensity lighting. Nemo has a LIFI® plasma source that delivers 10,000 lumens out of the fixture while using only 320 watts of power. The...

Products : Lighting
LED Wallpack Luminaire

Dialight (Farmingdale, NJ) offers the DuroSite Series LED Wallpack Luminaire. With its low profile and compact design, the powder-coated aluminum wallpack luminaire is fully compliant with all standard ratings and certifications that make it highly suited for stairwells, walkways, building exteriors, subways, and other...

Products : Lighting
Polyurethane Casting Compound

Bayer MaterialScience (Leverkusen, Germany) has developed raw materials for highly transparent two-component polyurethane casting compounds that can be used to manufacture lighting strips and other lighting elements with LEDs. The LEDs are given effective and long-term protection against moisture, weathering, and...

Products : Lighting
LED-Based Backlighting

Ultra-thin light guides from Global Lighting Technologies (Brecksville, OH) utilize the company’s LED-based edge-lighting technology to provide backlighting for touch-enabled display graphics. GLT’s light guides provide bright, uniform light where needed for directional symbols, on/off buttons, company logos, and any...

Products : Lighting
LED Dot Matrix Driver

The AS1119 LED dot matrix driver from austriamicrosystems (Unterpremstaetten, Austria) drives 144 LEDs but requires only 9 mm² PCB space, reduces external component count, reduces connector pin count, and requires fewer PCB layers. The AS1119 is targeted for dot matrix displays in mobile phones and personal electronics. An...

Products : Lighting
LED Circuit Protection Device

Littelfuse, Inc. (Chicago, IL) has introduced the PLED18 Series circuit protection device that increases LED lighting string reliability. The device maintains LED string brightness while improving LED reliability for outdoor LED lighting and high-intensity LED applications (one-, two-, or three-watt high-brightness...

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