Survey Shows Lighting Professionals Expect to Install More LEDs Than …
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Yorba Linda, Calif. (PRWEB) April 24, 2014

For the first time, lighting professionals expect to install more LED than fluorescent fixtures over the coming year, according to the 4th annual lighting survey released today by energy-efficient lighting manufacturer Precision-Paragon [P2].

When asked what is the dominant lighting technology they expect to install in 2014, 49 percent of respondents selected LED, and 46 percent indicated fluorescent. In last year’s survey, 26 percent of respondents selected LED, and 68 percent indicated fluorescent, as the dominant lighting technology they expected to install in 2013.

Conducted annually since 2010, this year’s survey was distributed in December to over 5,000 energy-efficient lighting industry professionals. The survey’s topics covered the industry’s performance in the past year, as well as expectations for 2014.

“Our industry has seen steady growth in LED lighting performance and sales in recent years,” said Joe Martin, [P2] vice president and general manager. “Picking the right technology is an important part of any lighting retrofit, and LED technology has advanced to the point th…………… continues on

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Whites under some LEDs not whiter than white
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CURRENT NEWS                                                                              

Apr 25, 2014

Tests have inicated that under halogen light and violet-pumped LED lights, the whiteness of cards (of varying whiteness) can be correctly assessed. On the other hand, the human eye cannot correctly differentiate whiteness when exposed to the most common type of modules used in LED lamps, blue pumped LEDs

For years, companies have been adding whiteners to laundry detergent, paints, plastics, paper and fabrics to make whites look “whiter than white.”

Now, with a switch away from incandescent and fluorescent lighting, different degrees of whites may all look the same, according to experts in lighting.

“Retailers have long been concerned with the colour-rendering qualities of their lighting, but less aware how light sources render white,” says Kevin W. Houser, professor of architectural engineering, Penn State.

Kevin Houser, Professor of Architectural Engineering at Penn State, sorts tiles in a light box in the departments illuminating engineering lab for observation under several light sources (Image: Patrick Mansell)

Not long ago, the only practical choices for home, office or commercial lighting were incandescent or fluorescent bulbs. More recently, compact fluorescent bulbs, which use less…………… continues on Compound Semiconductor

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