May 2010

Lighting Design

Specifying Color Quality of Lamps

Specifying color quality appropriate for the application is essential. In a high-end retail application, good color quality can make products, especially clothing, appear more vibrant, truer and ultimately more appealing. In an office application, color quality can facilitate social interaction by rendering faces more naturally and thereby helping to create a more productive and appealing [...]

Lighting Design

Maximizing Visual Comfort: Tired Eyes and Uniformity

Lighting quality goes beyond task performance to address other needs related to aesthetic judgment, mood and atmosphere and visual comfort, all of which indirectly affect user satisfaction and task performance. The first two needs, often left out of the retrofit process, become primary considerations in a relighting or new construction project, covering patterns of light, [...]

LED + SSL, Lighting Industry

Cleveland Mayor Axes Lighting Deal with Chinese LED Manufacturer

On May 18, LightNOW reported here that Cleveland was considering a 10-year deal giving Sunpu-Opto Semiconductor Ltd. exclusive rights to sell millions of LED lights to the city in exchange for the company making Cleveland its North American headquarters, creating an estimated 350 jobs. The proposed deal naturally irritated GE Lighting, which is based in [...]

Lighting Design

Task Visibility and Performance

One of the most important functions of a lighting system is to support visual performance by ensuring appropriate visibility of tasks and objects the designer wants seen. The human eye can adjust to a wide range of light levels, including about 10,000 footcandles on a sunny day to about 0.01 footcandles under full moonlight. As [...]

Construction + Economy, Lighting Industry

Lighting Systems Index Climbs for Third Consecutive Quarter

NEMA’s Lighting Systems Index (LSI) increased 1.1% on a quarter-to-quarter basis during the first quarter of 2010. On a year-over-year basis the index posted a similar increase of 1.2%, marking the first time since the second quarter of 2006 that the LSI has registered an appreciable gain compared to the same period a year ago. [...]

Lighting Industry

New Philips Electronic Ballast Packaging Design Reduces Carton Size by 37%

Philips Lighting has announced that it has redesigned the packaging of its ICN T8 Instant Start, IOPA T8 Instant start high efficiency, and ICN T5HE family of electronic ballasts, diminishing the carbon footprint and preserving the environment by reducing the overall carton size by 37%, according to the company. The move is part of Royal [...]

Construction + Economy

Architecture Billings Index Reaches Highest Mark in Over Two Years: Business Conditions Slowly Improving

For the third straight month, the Architecture Billings Index (ABI) has gone up. As a leading economic indicator of construction activity, the ABI reflects the approximate 9- to 12-month lag time between architecture billings and construction spending. The American Institute of Architects (AIA) reported the April ABI rating was 48.4, up from a reading of [...]

Construction + Economy

29 States Add Construction Jobs Between March and April

Increases in stimulus-funded projects and growing demand for single family construction helped boost monthly construction employment in 29 states between March and April, according to a new analysis of federal employment figures released by the Associated General Contractors of America. Despite the recent gains, 46 states and the District of Columbia lost construction jobs over [...]

Light + Art

The Amazing Creations of Moritz Waldemeyer

Check out the amazing creations of Moritz Waldemeyer, whose work fuses technology, art, fashion, design—and light.

Education + Resources

Change of Dates for “Lights of Philadelphia 2010: A Lighting Odyssey”

“Lights of Philadelphia 2010: A Lighting Odyssey” has been rescheduled to Wednesday, September 22 and Thursday, September 23, 2010 at the Pennsylvania Convention Center in Philadelphia. Click here to learn more.

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