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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

An equation developed in part by researchers at the University of Michigan could do for organic semiconductors what the Shockley ideal diode equation did for inorganic...

Blog
Analysts Add to Creo Conversation

Yesterday, after unveiling Creo, PTC's soon-to-arrive design application suite, the company arranged for a panel of analysts to address attendee questions about the product. The roundtable included Marc Halpern, Research VP at Gartner, Sanjeev Pal, Research Manager at IDC, and John MacKrell, a senior consultant...

Purdue researchers will collaborate with Rutgers University, the University of Arizona, Michigan State University, and Orbital Technologies Corp. (Madison, WI) on a four-year...

Blog
Lightning Strikes With PTC's Creo

There was a bit of a crowd lining up near Boston's Park Plaza this morning, and if it wasn't for all the business-casual attire, you may have thought another Apple Store was opening up down the street. The event was actually PTC's unveiling of its new product suite: Creo.

Here's the quick...

Allegro MicroSystems (Worcester, MA) offers constant current LED drivers to address requirements of internal and external illumination applications within the automotive market. Allegro’s...

Products: Energy
IR LED With Integrated Lens

The infrared DRAGON SFH 4236 from OSRAM Opto Semiconductors (Sunnyvale, CA) is designed for applications that require narrow radiation characteristics from limited board space, namely automotive applications such...

Question of the Week
Will you drive this type of robotic car in your lifetime?

This week's Question of the Week addresses another technical development from Google. In early October, the search giant announced that it has been testing robotic cars on U.S. city streets. The vehicles, equipped with a complex array of sensors and cameras that allowed them to steer...

Papailias Incorporated (Northvale, NJ) has introduced a high intensity light engine to replace halogen technology. The Series HI-LED lamp is not a standard LED bulb, but a custom-designed lamp that features a...

Société de Conseil et de Prospective Scientifique (SCPS), located in Rosny-sous-Bois, France, developed a technology that allows the nickel-zinc battery system to work as close as possible to its...

Products: Green Design & Manufacturing
AC/DC LED Drivers

RECOM Power Inc. (Brooklyn, NY) has developed a series of constant current LED drivers in the power ranges of 12, 20, and 60 Watts. The new series feature universal AC inputs, power factor correction, and UL-8750...

Question of the Week
Should there be a large-scale freeze on foreclosures?

This week's Question of the Week addresses home foreclosures. Several major home lenders, including JP Morgan Chase and Bank of America, have suspended foreclosures in parts or all of the country because of sloppy paperwork and improper oversight of the many loans that went bad. Some say,...

The high-brightness black top surface tri-color PLCC-6 family of SMT LEDs from Avago Technologies (San Jose, CA) has a separate heat path for each LED dice, enabling the LED to be driven at higher current....

Scientists from Rice University and Lockheed Martin have discovered a way to use simple silicon to radically increase the capacity of lithium-ion batteries. The researchers are...

Advanced Analogic Technologies, Inc. (Santa Clara, CA) introduced its AAT1409/7/5 family of multi-string LED backlight drivers with integrated boost converters and precision current sinks that can support up to...

Question of the Week
Would You Use the 'LaserFactory?'

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