Articles

Dimmable LED Lighting Made Easy with National Semiconductor, Arrow, and Cree

Nov 27, 2009 Designers of lighting systems have had a challenging time dimming every light source technology developed beyond the filament-based lamp. Dimming is critical in many applications because it allows the setting of an appropriate and desired level of light as well as significant energy savings.

Efficient LED Headlights even more important for electric cars

Oct 27, 2009 Osram’s LED technology will contribute to the energy efficiency of Volkswagen’s L1 concept car, which according to Volkswagen can go into production in 2013, has headlights that are equipped with new Osram Joule JFL2 LED systems and matching reflectors.

Elimination of Binning and Enhanced CCT Control

Sep 15, 2009 Enfis has developed a patented vari-CCT technology that enables tuneable white light of very high CRI guaranteed to be controlled to within tight CCT limits.

The Appropriateness and Effects of Color Rendering in Outdoor Illumination Applications

Sep 9, 2009 Few topics have been more confusing than color rendering, and with the rapid advancement of power LEDs in lighting applications, it’s clear that there’s much work to be done and that the specification community should take care in approaching the subject.

Celsia helps keeping LED lights cool

Aug 27, 2009 Celsia NanoSpreaders were developed with one simple goal in mind: cool today's silicon chips, LEDs, LCDs, and other electronic components better than any other technology in its price band.

Selling LEDs: The Time is Now

Jul 29, 2009 A new survey on the adoption of LED lighting in the marketplace shows that full-line electrical distributors and lighting specialists are already starting to play major roles in the sale and marketing of LED lighting products to end users.

Illuminance - recommended light levels

Jun 29, 2009 Recommended light levels - illuminance - for some common types of working activities.

Preview: Molex Transcend RM2 and PM3 LED modules

Jun 26, 2009 Transcend is a line of self-contained, pluggable light modules based on the Acriche 4W AC LED from Seoul Semiconductor.

Common LED Types and Packages

Apr 3, 2009 Diagrams of typical LED structures shown. Difference between "conventional" and high power LED explained.

Candela to lumen conversion wizard

Mar 18, 2009 This calculator allows you to do an approximate conversion between millicandelas (or candelas) and lumens for an LED where you know the beam angle.

Review: Ledfolio PaneLux 2x2

Jan 12, 2009 The paneLux is the flagship product of LED folio. It was designed to replace standard 2' x 2' fluorescent fixtures in office buildings. Brilliant idea. The result, however, is a bit controversial.

Comparison: Edixeon Federal vs. Luxeon Rebel vs. Cree XP-E LEDs

Dec 2, 2008 Edison Opto have launched a new series of super compact high brightness LEDs: Edixeon Federal. Brief glance at the specs and pictures makes it obvious: Luxeon Rebel now have one more competitor.
Page 1 - 12 of 12
First | Prev. | 1 | Next | Last | All