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Energy Efficient Lighting
Covering solar, compact fluorescent, LED, OLED and
other energy efficient lighting solutions.
Fluorescent Retrofits
Solar/Wind
- Kazekamome
Remote Hybrid System -
The RHS is a standalone lighting standard that needs no wiring, no
electricity, no underground maintenance and generates its own
electricity totally from renewable wind and solar sources, to provide
security lighting and freedom from blackouts.
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Compact Fluorescent
- The
Light Bulb That Can Change the World - While compact
fluorescent light bulbs (CFLs) of the past may have been efficient,
but not so effective; but that is changing with recent
improvements. Wal-Mart envisions 110 million American households
replacing at least just one ordinary 60-watt incandescent bulb with a
CFL, resulting in an energy savings equivalent to taking 1.3 million
cars off the roads. (FastCompany; Sept. 2006) (See Slashdot
discussion)
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OLED -- Organic Light-Emitting Device
- Organic lighting research burns bright
- The long, challenging technological march from the low-power light bulb
Thomas Edison invented to the ultimate in a bright and energy-efficient
lighting device may reach fruition in work led by the two ASU researchers. (PhysOrg;
Apr. 12, 2007)
- 100%
natural light OLED - Scientists at USC have developed a new
process for making OLED lighting that gives off a warm natural light
that can light up an entire room. They believe this new material could
be 100% efficient, giving off no heat and run for years. (PESWiki;
Apr. 18, 2006)
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- New
materials for high efficiency organic solid state lighting - Direct
conversion of electricity to light in "solid state" thin
films of organic molecules, occurring in organic light emitting
devices (OLED) -- which can be far more efficient than conventional
"incandescent" light bulbs -- can be improved further with
new charge-transporting organic phosphine oxide molecules. (EurekAlert;
Mar. 30, 2006)
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LED -- Light-Emitting Diode
- Lighting > New
LED Puts Incandescents, Fluorescents to Shame - Seoul
semiconductor has created a light emitting diode that emits roughly
240 lumens and claims the highest efficiency (amount of electricity to
amount of light) of any light source. Next objective is to make it
cheap enough for the mass market. (Treehugger; Dec. 13, 2006)
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- DOT-it
LED light - LED lights take so little juice that they can run
on next to nothing. A $10 stick-on light from Sylvania goes anywhere,
and lasts up to 100 hours on three AAA batteries. Just press on it and
it goes. With a little more thought about sustainability in the design
process, affordable and green LED lighting could go mainstream very
soon. (TreeHugger; Sept. 29, 2006)
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- Light
Waves Concept Introduces 22 Watt LED - "The brightest LED
bulb in existence", screws in to all standard Edison bulb bases,
has a lifespan of over 5 years and gives off 990 lumens- the
equivalent to around 50 or 60 watts in traditional terms. 90%
efficient in its energy usage. (BusinessWire; Mar. 22, 2006)
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- Brightest
LED puts light bulbs in the shade - Siemens subsidiary Osram has
developed the world's brightest white light-emitting diode. At 200 lumens,
it competes with conventional lamps. It has an average service life of
50,000 hours and is being prepared for market launch in early 2006. (PhysOrg;
June 14, 2005)
- The Incapacitating Flashlight
- Soon cops' flashlights might not only temporarily blind bad guys: they might also stop them in their tracks by disorienting them and making them nauseatingly
sick. The flashlight uses a range finder to measure the distance to the target's eyes so that it can adjust the energy of the light to a level that won't cause permanent damage.
(MIT Technology Review; Aug. 6, 2007)
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Solar
Cool
Light on Hot Days: Fiber Optics Bring the Sun Indoors - Piping in
sunlight without using electricity is a win-win proposition for the
ecosystem and human society. Both home and business customers anticipate
energy savings and a more pleasant indoor environment. (PESN; July
27, 2005)
- New
Oak Ridge Company Putting Hybrid Solar Lighting on Map -
Sunlight Direct is bursting onto the horizon with demonstration hybrid
solar lighting systems (piping sunlight indoors) at the Department of
Energys American Museum of Science and Energy and several locations
across the country. (NewsWise; Aug. 30, 2005)
Conservation
- DaySwitch
Adjusts Lighting Per Daylight Availability - The DaySwitch,
developed by Rensselaer Polytechnic Institute, consists of a
photosensor that measures daylight levels and sends a signal to the
microcontroller that adjusts the power going to the lights. (PESN;
April 25, 2006)
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- Washer-like
doohickey makes bulbs last longer - FBI agent founded company,
LongLite,
which sells a small item which you stick on the base of any
incandescent bulb (regular or halogen) to make it last 3x as long,
while using 10% less energy and burning just as brightly. (Murcury
News; Nov. 28, 2005)
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Misc.
- Will
Silicon Light Illuminate the Future? - Group
IV Semiconductor is a frontrunner in the race to develop
all-silicon solid-state light engines: long-lasting semiconductor
devices that generate light up to ten times more efficiently than
conventional bulbs and much more economically than todays LED
alternatives. (MIT Technology Review; Oct. 6, 2006)
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- Shining a
brighter light - Field emission lamps being developed at UC Davis
can match exactly the spectrum of natural daylight, and are up to five times
more energy efficient than existing lamps and do not contain environmentally
hazardous materials, such as the mercury vapor used in fluorescent tubes.. (PhysOrg;
June 14, 2005)
- ProBright
lightstrips transform outdoor lighting - It is the thinnest,
longest and brightest electroluminescent lamp in the World. ProBright
EL lighting is only 2mm thick and comes in lengths of upto 500'. The
flexible lighting uses 1/10 the energy of neon and costs about $115
for a 60' strip. (NewTechSpy; Apr. 5, 2006)
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Next
Generation Light Source
Scientists at the Institute of Applied Photophysics have been developing
highly efficient white organic light-emitting diodes which could perhaps
serve as the light sources of the future. (PhysOrg; Nov. 2005) |
- Colorado
firm develops glow-in-the-dark lamps - Lighting fixtures designed to
illuminate during power outages. By mixing phosphorescent material is
mixed with the usual white fluorescent material, American Environmental
Products has developed a tube that continues to glow for an hour after being
shut off. (MSNBC; Aug. 4, 2005)
- Can'
lights be efficient? - The U.S. Department of Energy is working to
improve the efficiency of recessed incandescent lighting through its Pacific
Northwest National Laboratory. (EurekAlert; June 15, 2005)
See also
Page posted by Sterling
D. Allan, June 16, 2005
Last updated September 16, 2008
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