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LEDs: An Incandescent Opportunity for Utilities
December 21, 2009
The first light-emitting diode (LED) screw-in replacement lamp that promises to outperform both incandescent bulbs and compact fluorescent lamps has made its debut.
Content type: Tech News | Document ID: TAS-TN-1-10a | Author: Mary Horsey
PV LED Lighting Effective but Expensive in Field Tests
November 23, 2009
Recent field testing of solar-powered outdoor light-emitting diode (LED) lighting shows that LED/photovoltaic (PV) technology could provide adequate light while reducing energy use and light pollution.
Content type: Tech News | Document ID: TAS-TN-12-09a | Author: Ira Krepchin
New Product List Rescues LED Programs from the Jaws of Deceit
October 1, 2009
A new product-certification initiative promises to help utilities identify appropriate light-emitting diode (LED) products for incentive programs.
Content type: Tech News | Document ID: TAS-TN-10-09a | Author: Ira Krepchin
Special Report from LightFair
Advances in LEDs, Fluorescents, and Lighting Controls
June 25, 2009
Light-emitting diode (LED) products that use new cooling strategies to increase efficiency and lifetime were just one innovation presented at the 2009 LightFair International Trade Show and Conference.
Content type: Tech News | Document ID: TAS-TN-7-09a | Author: Ira Krepchin
Big Savings Potential with LED Streetlighting Retrofit Kit
December 1, 2008
A new light-emitting diode (LED) retrofit kit for street- and area lighting promises better efficacy and light distribution than competing products and could help make LEDs a cost-effective solution for those applications.
Content type: Tech News | Document ID: TAS-TN-12-08b | Author: Ira Krepchin
Can LEDs Shine for Energy Star?
September 1, 2008
Two sets of somewhat contradictory criteria for light-emitting diode (LED) lighting have created confusion in the LED marketplace.
Content type: Tech News | Document ID: TAS-TN-9-08b | Author: Ira Krepchin
LEDs Versus T8s: Buyer Beware
Tech News, May 2008
May 1, 2008
Light-emitting diodes (LEDs) configured like four-foot linear fluorescent T8 lamps are a hot item judging by the press they're getting, but they don't appear to be living up to manufacturers' claims.
Content type: Tech News | Document ID: TAS-TN-5-08a | Author: Ira Krepchin
Ann Arbor Lights the Way to LED Streetlighting
Tech News, December 2007
December 1, 2007
Ann Arbor, Michigan, is the first city in the U.S. to commit to LED (light-emitting diode) streetlighting in a big way—suggesting that LED streetlighting is now on the brink of commercial viability.
Content type: Tech News | Document ID: TAS-TN-12-07b | Author: Peter Criscione
Special Report: Breaking News on Lighting Products
Tech News, May 2007
May 31, 2007
This year's event highlights low-mercury fluorescent lamps, faux-can CFL fixtures that don't break the thermal envelope, and a host of promising new LED products.
Content type: Tech News | Document ID: TAS-TN-5-07b | Author: Peter Criscione
ET Currents, Issue 48
December 1, 2006
On the roofs of more than two dozen buildings around the U.S., 48-inch parabolic mirrors, looking a lot like TV satellite dishes, track the sun across the sky and focus sunlight into a bundle of fiber optic cables. The cables transport the light to fixtures that distribute it inside the building. As ...
Content type: Currents | Document ID: ETCURRENTS-48 | Author: Ira Krepchin, John Sustar, Dan Greenberg, Peter Criscione
High-Efficiency LED Lamp Now Shines for Task Lighting
Tech News, June 2006
June 28, 2006
In August 2006, lighting manufacturer Luxo Corp. will begin selling one of the first desktop task lights specifically designed to use light-emitting diodes (LEDs). LEDs deliver only slightly higher efficiencies than incandescent bulbs, but they can more effectively direct the light to where it's needed, ...
Content type: Tech News | Document ID: TAS-TN-6-06a | Author: Peter Criscione
ET Currents, Issue 42
July 1, 2005
Feature: Plug-In Hybrids: Electrifying Transportation News: Heat Pump Clothes Dryer: Efficient But Expensive SpeclFlow Makes Outdoor Airflow Measurements Less Expensive Retrospective: Whatever Happened to LED Lighting? ETCurrents-42; July 2005; 13 pages ...
Content type: Currents | Document ID: ETCURRENTS-42 | Author: Kristin Kamm, Dan Greenberg
Lighting Product Update
Tech News, June 2005
June 24, 2005
Although light-emitting diodes (LEDs) grabbed a lot of attention again at this year's LightFair International Trade Show and Conference, several other items struck us as being more likely to have an immediate impact on the general lighting market. They included a pair of new induction lamps, a self-ballasted ...
Content type: Tech News | Document ID: TAS-TN-6-05b | Author: Peter Criscione
LEDs Steal the Show
Tech News, April 2004
April 30, 2004
If this year's LightFair International Trade Show and Conference (held in Las Vegas, Nevada, from March 31 to April 2, 2004) is any indication, light-emitting diode (LED) light sources are making great strides. However, they still have a long way to go before they can compete in the general lighting ...
Content type: Tech News | Document ID: TAS-TN-4-04a | Author: Peter Criscione
LED Lighting Update
Tech News, July 2003
July 14, 2003
Light-emitting diode (LED) lighting was prominently on display at the most recent LightFair International trade show and conference (New York City, May 2003). There were no advances in LED efficiency announced at the show—white LEDs stand at about 25 lumens/watt—but a number of interesting ...
Content type: Tech News | Document ID: TAS-TN-7-03a | Author: Peter Criscione
ET Currents, Issue 22
January 1, 2003
Feature: LEDs for General Illumination News: New Approach to Light Metering Under Development Fungal Breakdown: Energy Savings for the Paper Industry Retrospective: Whatever Happened to NILM? ETCurrents-22; January 2003; 10 pages
Content type: Currents | Document ID: ETCURRENTS-22 | Author: Rachel Reiss, Ira Krepchin, Peter Criscione, Leland Keller
LED Traffic Light Update
Tech News, September 2002
September 10, 2002
A couple of new LED traffic light projects have come to our attention recently. As we have observed on many occasions (see, for example, TU-95-14, "LED Traffic Lights: Test Results Give Green Light for Additional Installations"), LEDs promise significant savings in comparison with incandescent sources, ...
Content type: Tech News | Document ID: TAS-TN-9-02b | Author: Peter Criscione
ET Currents, Issue 20
September 1, 2002
Home Networking Without New Wires (Using Power Lines); Generator Design Eliminates Need for Inverter; New Gains in Super-Bright Red and Yellow LEDs; Lightweight and Modular Wind Towers; Whatever Happened to Ultracapacitors?
Content type: Currents | Document ID: ETCURRENTS-20 | Author: Rachel Reiss, Ira Krepchin, Steve Leinweber, Peter Criscione
