Today is Memorial Day.
Wattstopper has announced that Dorene Maniccia, Director of Policy and Industry Affairs, has been named Chair of the Lighting Controls Section of the National Electrical Manufacturers Association (NEMA). The section’s…
For those specifying color characteristics of light sources, a few words of caution: While color temperature and CRI are important, the true complexities of a light source’s color characteristics cannot…
Light is actually made up of colors. For an object to be perceived a certain color, that color must be present both in the object and the light striking it.…
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…