LED (light emitting diode) lights have become more and more popular, as well as more affordable. While the technology that was first discovered in the early 1900s has already been used for several decades in commercial applications such as billboards, traffic lights, and exit signs, it has now made its way into the home in a whole lot more than just the display on your electric alarm clock.
The Many Uses and Types of LED Lights
Also referred to as solid-state lighting, LEDs use several types of inorganic semiconductor materials to create light that is visible to the eye. These materials, which vary depending on the color needed, are encased in a highly durable plastic, allowing the lights to be used in many different practical applications in everything from a simple calculator to the most advanced of electronics.
Some of the other many items utilizing LED technology include indicator lights on automobiles, motorcycles, bicycles, and boats, traffic lights, exit signs, strips of emergency landing lights at airports, as well as in lanterns and flashlights. Places like Las Vegas would look totally different, not to mention mostly dark, without the use of light emitting diodes. Even some museums are now turning to LED lights as the amount of ultraviolet (UV) rays that are emitted in comparison to the heat given off by other types of lighting is negligible and keeps the valuable artwork and delicate artifacts safe from heat damage.
Extremely useful applications in the world of medicine, including pulse oximeters that measure the amount of oxygen saturation within the blood, also use LED lights in their displays, as well as in a process for sterilizing water and in a special type of phototherapy used for treating acne. Computers and wireless, optical mice also use light emitting diodes, along with a host of sporting good equipment, toys, flashlights, cell phones, remote controls, and video games.
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