Today's light-emitting diode light bulbs have a slight environmental edge over compact fluorescent lamps. And that gap is expected to grow significantly as technology and manufacturing methods improve in the next five years, ...
Energy & Green Tech
Sep 5, 2012
15
1
This is a cautionary tale about a few porch lights. Once upon a time, porch lights had incandescent bulbs. Eventually, many residents subbed them out with those swirly compact fluorescent bulbs, which use a quarter of the ...
Energy & Green Tech
Sep 14, 2010
20
0
(AP) -- Light-emitting diodes, or LEDs, are starting to become cost-effective alternatives to standard light bulbs and fluorescent tubes. That opens up some interesting possibilities, such as the combination LED light and ...
Hi Tech & Innovation
May 12, 2010
2
0
Researchers from the Moscow Institute of Physics and Technology and Lebedev Physical Institute of the Russian Academy of Sciences have designed and tested a prototype cathodoluminescent lamp for general lighting. The new ...
General Physics
Jun 28, 2019
3
119
Light emitted by LEDs can flicker or exhibit a stroboscopic effect, which can lead to annoyance, fatigue and even headaches. Researchers at Eindhoven University of Technology and Signify determined the characteristics of ...
Other
Feb 1, 2019
1
6
The method helps discovering the most efficient lamps, which may save billions in lighting costs in the future.
Engineering
Sep 18, 2015
0
35
A research team led by Kevin Houser, professor of architectural engineering, has determined that color and whiteness rendition has a profound effect on LED light source preference. The team's findings were published in Lighting ...
Engineering
Oct 9, 2014
0
0
US-based researcher Shuji Nakamura, one of three scientists to win the Nobel Prize Tuesday for Physics, said he was delighted to see his "dream of LED lighting" become a reality.
General Physics
Oct 7, 2014
0
0
When comparing LEDs to incandescent light bulbs, there is a noticeable difference in light quality: LED lamps when dimmed are perceived to be "colder" than incandescents. At CES 2013 this week, NXP Semiconductors is demonstrating ...
Engineering
Jan 10, 2013
1
0
Efficient lighting would save $110 billion a year worldwide, according to a UN-led study published at the Rio+20 summit on Thursday.
Energy & Green Tech
Jun 21, 2012
0
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