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Self Generating Led
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Photoluminescence is a complex word that describes a rather simple phenomenon - a product's ability to produce light without the aid of commercial power sources such as electricity and batteries. In scientific terms, this phenomenon occurs when an object absorbs photons from ambient light and then re-emits the photons in darkened surroundings, creating a lighting effect that ranges from ambent to bright depending on the object's absorption ability. From a quantum mechanics viewpoint, the object moves from a high energy state to a low energy state, re-emitting the photons until it loses its light.
These objects are often called "self-sustaining" because they produce their own energy, a perfect example of which can be found in the most commercially popular of all such products - photoluminescent exit signs.
Companies that are committed to going green and saving money have popularized these safety signs in the corporate sector. The exit signs play a role in the U.S. General Services Administration's plan for sustainable design principles, which seeks to minimize non-renewable energy consumption. The signs are also a part of Victoria, Australia's Department of Sustainability and Environment's plan to pursue environmentally friendly urban construction. In addition to preserving non-renewable energy, the signs are bright, recyclable, non-toxic and, unlike traditional safety signs, non-radioactive.
The significance of the exit signs to companies that are going green is obvious, but even for companies that have yet to go green, switching from incandescent safety signs to signs that are more energy efficient reduces operating costs. Incandescent exit signs burn 24 hours a day, 365 days a year. Add in the cost of replacing light bulbs, back-up batteries and repairing faulty wiring and, for a large corporation, and the cost difference can amount to thousands of dollars a year. In addition to being maintenance free, the safety signs have an average life span of 25 years.
In trimming power usage and maintenance costs, tritium, compact fluorescent and LED exit signs are also cost effective solutions to incandescent safety signs, but the last two are not maintenance free and all three have a shorter life span than photoluminescent signs. The average lifespan for tritium exit signs is 10-20 years, while the life span of LED and compact fluorescent signs is roughly eleven years and roughly six years, respectively. Photoluminescent signs are also easy to move if egress paths change, whereas LED and compact fluorescent signs require re-wiring. Compared to the competition, the exit signs are the soundest long-term environmental and monetary investment.
According to a popular photoluminescent safety sign company, the ten-year operating cost for one if its exit signs, including labor and installation, is $111.00. Comparatively, the ten-year operating cost of a tritium exit sign is estimated at $190.00, while the ten-year operating cost for individual LED, compact fluorescent and incandescent exit signs rises to $370.00, $894.00 and $1,465.00, respectively.
Most companies that sell photoluminescent safety signs sell other self-sustaining signage as well, including fire hose and fire extinguisher signs, stairwell signs, direction arrows and photoluminescent marking tape for identifying pathways in darkened surroundings.
To learn more about how photoluminescent exit signs can help your company become more eco-friendly and save energy dollars in the process, visit us today at http://www.GloBriteSystem.com.
LED Light Bulbs
LED (Light Emitting Diode) is the famous source of light now a day. It has made human life much easier and much lighters. LED are being used at many places for different purposes. LED are semiconductors and use as light source. LED are majorly used not only at home but also at commercial places. LED have replaced many old techniques of light sources like bulb, tube lights. All these things operate at very high voltage and consume too much electric current and cannot operate too much long time and the main disadvantage of these legacy sources of lights that these sources of light got heat up very soon and creates much problem for the people. Having all these problems with the legacy light sources many problem LED have overcome on all these difficulties. LED does not operate on high voltage current and can work long lasting and did not get heat so early and give result as compared to legacy light source systems. LED bulb are being used in many places and can operate without having any problem. LED Lights Bulb used in car. In many Cars head light LED are widely used and these LED bulbs are used widely outside and inside interior of cars. At outside these LED bulb are being used as Head lights, indicators of both side, back light and as inside it is being used in Dash board to view inside the car and the main panel of the car where it shows the car speed and other state of fuel consumption. LED bulbs used in many machines where these heavy duty bulb tube lights got failed. LED bulb produces as quality lights as compared to heavy duty bulb operate in heavy current and gives us much more benefits of replacing and ease in using. LED bulb can be used under water where all legacy bulbs got fail. All legacy source of light got burnt if one drop of water touched them but LED can work independently and give enough light to operate under water. Many bulb used in swimming poles to help the swimmer to judge his/her position in the water. LEDs bulbs are also available in different capacity of available current. LED bulb can operate at different types of situation and at different type of system. LED bulbs used in table lamp these led also used on the roof as a light source in the room or outside the room. LED bulb can operate for longer run and does not create any problem while operating, it works perfectly without any problem that is why LED bulb are getting more and more popular in the people. Many LED are generating more and more light without getting heated. Many LED are helpful in any type of equipments these can be used in electrical equipments and mechanical equipment as well. LED bulbs create much more lights with it without ant disturbance. These bulbs are efficient enough that adjust them self in low voltage but never get fails. These LED bulbs are more reliable then the legacy bulb and tube lights. Many LED bulb are being used as spot light on the roof at home or at office. LED of different types used at different places and at different capacity. Many systems of LED bulbs can be used in small places and many can be use at high places so that we can get benefits on all these places. LED bulbs are being manufactured by many companies. Now a day this is major benefits to get more and more profits because all people are switching towards LED bulb and getting more and more profit.
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Question about Halogen Lights and Home lighting
Hello,
I have replaced all of the halogen down lighters in my kitchen with LED lights that generate loads less power (my eco friendly self) but I have noticed that when I turn them off they stay on, very lightly lit. This didnt happen before with the halogens.I thought at first, as they are LED's, they would stay on for a bit but I came down this morning and they were still lightly lit.
Is there power going through them all the time? Is my house wired wrong? If so why didnt the Halogens stay lit? Is it something to do with them needing less power?
Any help would be greatly appreciated
I think that LED lights are run on DC. I dont know about halogen lights because halogen is just a gas that they put in a bulb. House wiring is AC.
So maybe you are missing something.
Cache Reports Second Quarter Fiscal 2010 Results
NEW YORK----Cache Inc., , a specialty chain of women’s apparel stores, reported results for the thirteen and twenty-six week periods ended July 3, 2010.
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