NEMA’s compact fluorescent lamp (CFL) index reversed a negative trend that dated back to the first quarter 2009, registering a 3% year-over-year increase. Conversely, the incandescent lamps index fell to…
LEDs Magazine just reported that the Department of Energy caught a fake Lighting Facts label on an LED lamp displayed at LIGHTFAIR. The lamp was manufactured by Greenlite, based in…
Excessive luminances or luminance contrasts may also lead to a visual sensation called glare, which, even though it is also light, can impair or disable vision rather than enable it.…
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.…
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.…
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…
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…
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…
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…
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…