What Is LED Fluorescent? Click Here and Find Out!

Fluorescence has been used by mankind for several purposes, from ambient lighting (with fluorescent lamps) to scientific research, with emphasis on fluorescence microscopy.

What Is LED Fluorescent Click Here and Find Out!

When it comes to lighting, LED light and fluorescent light are efficient and have a similar brightness aspect. With this, it is common for people to confuse these two types of lamps, which leads them to search for “LED fluorescent” when buying the goods. But this is a misnomer.

In this text, you will understand a little more about the fluorescence and the differences between this technology and the LED. Keep reading to learn more!

CONCEPT OF FLUORESCENCE

Fluorescence is the property that some substances have to produce light radiation. For it to occur, it is necessary to have excitation of its particles.

This means that a source of low-wavelength radiation (ie ultraviolet light) is required, which will be absorbed by the substance and emitted in the light spectrum visible to the human eye (of greater wavelength, ie: infraviolet light).

MICROSCOPIC FLUORESCENCE

As mentioned, one of the most important uses of fluorescence is in laboratories for biological analysis of microorganisms.

For this, mercury or xenon light microscopes are used, substances that radiate and excite the fluorescence of these organisms, allowing them to be visualized with the naked eye. Without the fluorescence activated, it would be impossible to see and analyze them.

If necessary, dyes (known as fluorochromes) may also be used, which help visualize these microorganisms through the microscope. Some examples of fluorochromes are fluorescein, which radiates green, and rhodamine, which radiates red color.

The use of fluorescence in laboratories helps, for example, with analyzes of immunological problems, since many of the microorganisms that cause diseases have fluorescent properties, which helps to identify them in the samples analyzed under the microscope.

FLUORESCENT LAMPS X LED LAMPS

Returning to the world of illumination, it is time to compare the operation of a fluorescent lamp with that of an LED lamp to clarify the distinction between them.

The fluorescent lamps work following the logic explained above. Thus, they are composed of mercury, gas that is activated by the electric current and produces ultraviolet radiation. This radiation excites the fluorescent coating that also makes up the lamp, and it becomes the source of light.

Already in the LED lamps ( light emitting diode, or “LED”), the brightness is enabled by own electrical current passing from one electrode to another (in the anode and out the cathode).

For this, the diodes need to be made of semiconductor materials, such as silicon or selenium, appropriate to the level of voltage and electric current they will receive.

The operation of the LED is simpler than that of fluorescent light. Both are better alternatives to already outdated incandescent light, but the LED still has more advantages.

First, it contains no toxic substances (as opposed to fluorescent bulbs, which contain mercury); and second, the life span of fluorescent substances ends faster than that of LED substances. While the fluorescent light can last for about 10,000 hours, and it loses luminous efficiency as it is used, the LED light can last up to 100 thousand hours!

Now you understand a bit more about fluorescence and you will not go wrong looking for “LED fluorescent”, is not it? Want to get more content on electricity and energy saving? So, sign our newsletter!

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