Lithonia’s PROTEON SL LED luminaire provides a continuous-row solution to achieve good uniformity and horizontal-to-vertical light ratio in high-bay lighting applications. The luminaires feature integral occupancy and photosensing along with a high-efficiency driver (enabling dimming down to 10%) and an emergency backup accessory. Extruded housing and heat sink enables good thermal management. Click here to [...]
Craig DiLouie
DOE Publishes New CALiPER Report on Subjective Evaluation of LED PAR38 Lamps
The U.S. Department of Energy (DOE) has published the first in a series of four special investigations intended to extend the findings of CALiPER Application Summary Report 20: LED PAR38 Lamps, which was published late last year. The new report, CALiPER Report 20.1: Subjective Evaluation of Beam Quality, Shadow Quality, and Color Quality for LED [...]
Jim Brodrick’s 2013 Year in Review
Republication of Postings from the U.S. Department of Energy (DOE) Solid-State Lighting Program by Jim Brodrick, U.S. Department of Energy Last year was an eventful one for the U.S. Department of Energy’s (DOE) Solid-State Lighting Program. It would have been unusual if it wasn’t eventful, considering the speed at which the technology and marketplace are [...]
NEMA HID Lamp Indexes Contract During 2013Q3
Demand for high intensity discharge (HID) lamps, as measured by NEMA’s HID shipment indexes, remained soft during 2013Q3. Seasonally adjusted shipments of sodium vapor lamps dipped 3.2% on a quarterly basis (q/q), falling to a new series low. Similarly, mercury vapor lamp shipments reached the second lowest level in the series, declining by 5.5% q/q. [...]
Call for Speakers: 2014 IES Street and Area Lighting Conference
The IES Street and Area Lighting Conference is now seeking submissions from professionals actively involved in the study and practice of lighting to speak at the 2014 event. This conference is focused on street and area lighting. The planning committee seeks non-commercial presentations for our audience of end users, designers, city and government agencies, city [...]
Product Monday: EMerge Alliance LED Luminaires by Acuity Brands
Acuity Brands, Inc. has developed a comprehensive portfolio of dimmable, controllable, low-voltage (24V) LED luminaires. Using EMerge Alliance standards, Acuity Brands low-voltage LED luminaires were designed and engineered to maximize the benefits of LED lighting and support net zero energy consumption. All Acuity Brands EMerge Alliance registered LED luminaires are available with nLight digital controls [...]
Light Fantastic: BBC Documentary on the Phenomenon of Light
BBC Four’s Light Fantastic is a documentary series about light that aired in 2004. The series included four episodes, shown below. Part 1: “Let There be Light” Part 2: “The Light of Reason” Part 3: “The Stuff of Light” Part 4: “Light, The Universe and Everything”
Starpath Glow in the Dark Pavement by Pro-Teq
Pro-Teq’s Starpath is a spray-on photoluminescent coating that harvests sunlight and illuminates like a starry sky at night. The material is non-reflective, anti-slip, waterproof, and can be applied to tarmac, cement and other surfaces. Click here to learn more.
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