LED + SSL

Energy + Environment, LED + SSL

Presidential Challenge for Advanced Outdoor Lighting

The U.S. Department of Energy’s (DOE) Presidential Challenge for Advanced Outdoor Lighting recently amped up its goal of transforming America’s streetlights to higher efficiency. As part of the DOE’s Better Buildings Initiative program, the Presidential Challenge aims to work with municipalities to upgrade 1.5 million U.S. streetlights to LED over the next two years. Click [...]

LED + SSL

CLTC: High Color Rendering Can Enable Better Vision without Requiring More Power

. An article advocating for high color rendering in consumer lighting products and the policies that support their adoption is now available. The paper is a collaboration between the California Lighting Technology Center, the University of British Columbia and the National Research Council of Canada. The article focuses on the tradeoff between color rendering accuracy [...]

Energy + Environment, LED + SSL

Rebates for LED Replacement Lamps Drop 32%

2015 has brought a significant drop in rebates for LED replacement lamps such as PARs, MRs, A-lamps and decorative lamps, according to Briteswitch. While the average rebate for replacement LED lamps was $11.12 in 2014, this year it dropped to $7.51, a 32% decline. This change comes as rebate programs try to adjust their offerings [...]

LED + SSL

Nobel Prize Winner Amano Says LED Lamps Will be Mainstream Lighting by 2016

2014 Nobel Prize in Physics winner Professor Amano Hiroshi, recently stated LED lamps will be a mainstream consumer light source by 2016, but challenges remain. Primarily, he points out, costs must come down further, starting with production costs, which should come down five times by 2020. For this to occur, demand must increase globally and [...]

LED + SSL

DOE Publishes CALiPER Report on the Robustness of LED PAR38 Lamps

The U.S. Department of Energy’s CALiPER program has released Report 20.3, which is part of a series of investigations on LED PAR38 lamps. Report 20.3 focuses on an evaluation of robustness. Three samples each of 40 of the Series 20 PAR38 lamps (including LED and benchmark conventional lamps) underwent multistress testing, whereby samples were subjected [...]

LED + SSL

GATEWAY Demonstration: LED Lighting in a High-Temperature Environment

Republication of Postings from the U.S. Department of Energy (DOE) Solid-State Lighting Program by Jim Brodrick, SSL Program Manager, U.S. Department of Energy High-flux lighting applications in high-temperature environments present a formidable challenge for LEDs. The higher the luminous flux from a luminaire, the more difficult it can be to properly dissipate the heat, to [...]

LED + SSL

OLED Lighting: Poised to Take Off?

This interesting presentation by Acuity Brands portrays OLED lighting as rapidly advancing in performance and poised for larger adoption. Check it out here.

LED + SSL, Research

DOE Publishes Long-Term Testing Investigation of Retail Lamps

The U.S. Department of Energy’s CALiPER program has released another special report on LED lamps that are available through the retail marketplace and targeted toward general consumers. CALiPER Retail Lamps Study 3.2 focuses on lumen depreciation and color shift in a subset of 15 LED A lamps from CALiPER Retail Lamps Study 3. The lamps [...]

LED + SSL

Jim Brodrick on Evaluating LED Luminaire Reliability

Republication of Postings from the U.S. Department of Energy (DOE) Solid-State Lighting Program by Jim Brodrick, SSL Program Manager, U.S. Department of Energy Long lifetime ranks high on solid-state lighting’s list of potential advantages. But accurately predicting that lifetime is no easy matter, because — unlike most other lighting technologies — SSL has many different [...]

LED + SSL

DOE Releases Report on SSL Adoption in Museums

The U.S. Department of Energy (DOE) has released a new GATEWAY report that summarizes the results of a survey regarding conversions to solid-state lighting in museums. The survey was sent to members of the museum community who had requested a copy of “The Guidelines for Assessing Solid-State Lighting for Museums,” the pivotal resource co-authored by [...]

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