Lighting

LEDs

Browse the latest developments, articles, and technical briefs that are essential to Design Engineers working with LEDs - Light-Emitting Diodes.

Stories

45
161
0
150
30
Articles: Energy
LumEN: Luminescent Solar Concentrators for Sustainable, On-Demand Electricity Production Gianmarco Griffini, Massimo Micocci, and Francesca Ostuzzi, Politecnico di Milano, Milan,...
Feature Image
Articles: Software
Grid-X Cloud and Smartphone Accelerator James Awrach SeaFire Micros, Beverly, MA Supercomputers are linked worldwide, creating ultra-highperformance cloud, utility, and grid...
Feature Image
Briefs: Lighting
A new versatile measurement system devised by researchers at the National Institute of Standards and Technology (NIST) accurately and quickly measures the electric power...
Feature Image
Briefs: Lighting
Today's light-emitting diode light bulbs have a slight environmental edge over compact fluorescent lamps, and that gap is expected to grow significantly as technology and...
Feature Image
Application Briefs: Lighting
As part of its preparations to host the London 2012 Olympic Games, the ExCeL London International Exhibition & Convention Centre expanded its efforts to convert the facility to greener, more...
Feature Image
Application Briefs: Lighting
Las Vegas is best known for the bright lights of ‘The Strip’ but thanks to new LED fixtures from GE Lighting, the city’s surrounding streets are starting to take on a...
Feature Image
News: Energy
Graphene has been touted as the next silicon, but it is too conductive to be used in computer chips. A University of Manchester team led by Nobel laureates Professor Andre Geim and Professor Konstantin...
Feature Image
News: Energy
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...
Feature Image
News: Lighting
The Jan/Feb Issue of Lighting Technology is Here
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.
News: Green Design & Manufacturing
University of Illinois researchers have developed a method to chemically etch patterned arrays in the semiconductor gallium arsenide - used in solar cells, lasers, light-emitting diodes (LEDs), field effect...
Feature Image
News: Lighting
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...
Feature Image
Products: Electronics & Computers
The LT3597 from Linear Technology ((Milpitas, CA) is a 60-V triple step-down LED driver capable of achieving 10,000:1 digital PWM dimming at 100 Hz with fast NPN current sources driving up to 10 LEDs in each...
Feature Image
Briefs: Lighting
High-Performance LED Comprised of Organic and Quantum Dot-Based Layers
New research paves the way to manufacturing efficient, stable, and low-cost quantum dot-based light-emitting diodes (LEDs), which is important for the widespread commercial use of these LEDs in large-area, full-color flat-panel displays or as solid-state lighting sources to...
Briefs: Lighting
Early phosphor-converted white light-emitting diodes (LEDs) produced light with poor color characteristics in terms of color rendering index (CRI) and correlated color...
Feature Image
Articles: Lighting
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...
Feature Image
Application Briefs: Lighting
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...
Feature Image
Articles: Lighting
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...
Feature Image
Briefs: Lighting
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. The...
Feature Image
Application Briefs: Materials
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...
Feature Image
Application Briefs: Lighting
www.cree.com Last July, Ric Richards — a fast-food franchisee — opened the first green McDonald’s in North Carolina, proving that it can be affordable and effective to build a sustainable fast-food restaurant....
Feature Image
Products: Electronics & Computers
Pepperl+Fuchs, Twinsburg, OH, has introduced the ML7 Background Suppression (BGS) photoelectric sensors that feature a 31 x 11 x 23 mm housing, and a sensing range of up to 350 mm. Background suppression optimizes the detection...
Feature Image
Articles: Photonics/Optics
In August 2007, Cree’s management made a bold decision to replace the existing fluorescent lighting technology at its Durham, NC facility with new energy-saving, environmentally friendly LED lighting...
Feature Image
Blog: Lighting
Student LED Innovation
Martin Schubert - a Rensselaer Polytechnic Institute doctoral student in electrical, computer, and systems engineering - has developed the first polarized light emitting diode (LED), an innovation that could vastly improve LCD screens, conserve energy, and usher in the next generation of ultra-efficient LEDs. Schubert's...
Products: Imaging
OPTIM Inc. (Sturbridge, MA) introduces the FreedomView™ LED Fiberscope, a handheld, portable inspection device that combines a high intensity LED light source with a flexible insertion shaft that can be fully immersed in water,...
Feature Image
Application Briefs: Materials
The inherently interdisciplinary nature of developing instrumentation for life sciences requires a high level of collaboration between scientists and engineers across the fields...
Feature Image
Articles: Software
Mechanical CAD (computer-aided design) programs have become very sophisticated during the past few years. Unfortunately, there is still a portion of the engineering spectrum that cannot be...
Feature Image
Briefs: Photonics/Optics
Faced with increasing demand, manufacturers of power devices, microdisplays, and high-brightness light-emitting diodes (HB-LEDs) are focusing on tightening manufacturing...
Feature Image
Products: Photonics/Optics
LED Chips
(Durham, NC) has released two new LED chips: the MegaBright 290 Gen 2 and the RazerThin 230. The MegaBright 290 Gen 2, a high-brightness chip, is 30 percent brighter and uses 8 percent less power than the chip it replaces. This new chip is targeted for digital camera, camera phone flash, and LCD backlighting applications, where brightness...
Briefs: Lighting
Internal heating is a key issue for vertical cavity surface emitting lasers (VCSELs), a semiconductor micro laser diode that emits light in a cylindrical...
Feature Image

Videos