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Self Luminous Exit Signs Are Great For The Environment

Self Luminous Exit Signs Are Great For The Environment

Self luminous exit signs are great for the environment

In order to appreciate the extent to which the introduction of the self luminous exit sign represents a step towards saving the environment, one must first become familiar with a phenomenon known as cold light. In the Seventeenth Century, scientists began to discover the way that certain elements could be made to glow. That glow, described as luminescence, resulted from the slow oxidation of such an element.

 

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The development of self-luminous signs

While the newly discovered luminescence did not last for very long, those aware of its existence shared their thoughts with others regarding the newly-discovered phenomenon. Evidence of that fact can be found in some correspondence between two European scientists, Hennig Brandt and Gottfried Wilhelm Leibniz. Leibniz wrote to Brandt about an idea that had entered his mind. Leibniz thought it might be possible to use the glowing elements to light rooms at night. Some have said that Leibniz’s suggestion could be viewed as the first hint that cold light might be used to create a useful form of illumination.

Another scientist, Robert Boyle conducted the experiments that produced proof of the fact that a self luminous exit sign could do wonders for saving the environment. During one experiment, he tried putting phosphor in different solvents: clove oil, cinnamon oil, and alcohol. He found that a solution that held only one part of the phosphor for each million parts of solvent still possessed a noticeable glow.

Innovative discovery

Boyle’s discovery represents a major step on the path that led to creation of the first photo luminescent signs. It showed that a manufacturer would need to use only a small amount of the material in order to make a glowing marker. It served as the foundation for what became an entire collection of facts. Those facts substantiated the claim that the self luminous exit sign is great for the environment. That glowing object does not consume any electrical power. It does not rely on the power delivered by electrons flowing through a wire. By the same token, it can continue to glow in the absence of stored energy, such as that provided by a battery.

Environmently friendly self luminous exit signs

Today the makers of self luminous exit signs put to good use the properties associated with aluminum photo luminescent substances. The technology utilized by such manufacturers has been based on the chemistry of strontium oxide aluminates. The utilization of this technology has put to rest the earlier methodologies, notably those that relied on either zinc sulfide or radioisotopes.

Eco friendly exit signs

In a discussion regarding environmental issues, any technology that could eliminate a reliance on radioisotopes would probably be viewed as something worthy of praise. Yet those taking part in that imagined discussion might fail to perceive the link between replacement of zinc sulfide and acts that show a concern for the Earth. Still, that link becomes clear to those who have witnessed the improved nature of the light produced by new sources of luminescence.

Luminousness is high

The afterglow of the new source is ten times greater than the afterglow produced by zinc sulfide. At the same time, that glow, one based on the chemistry of strontium oxide aluminates, can be made to display a higher level of luminescence. That improvement comes from a lengthening of the time used to activate the source of the desired glow.

In other words, an elimination of hazardous substances does not have to lead to a reduction in the level of certain desired qualities. In fact, light speed can increase when a hazardous substance has been replaced with a more eco-friendly one. That is good news for those who are concerned about environmental issues.



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"I was searching online for a quick solution to my need for an exit sign, without a need for batteries. After spending a great deal of time comparing products I decided to go with Self-Luminous Exit Signs. I received my order in a matter of days and they saved the day for me! I highly recommend them as installation was easy & it's been working just fine without a problem, ever since! Thanks guys!"
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Los Angeles, CA

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