An LED or Light Emitting Diode is a light supply that is made up from a two-lead semiconductor. It is a common pn-junction diode that, when initiated, will give off light that can be used for practical purposes. When the leads have the appropriate voltage implemented, throughout the unit the electrons will compound with electron openings which then release energy in the form of photons. This will then produce the outcome of what is called, "electroluminescence" and the coloration of the light will be decided by the semiconductor's energy band opening.
To discover where LED belysning innovation first began, the journey will take us back to a British experimenter/researcher during 1907. The development of electroluminescence was first identified by Henry Joseph Round who was an employee of Marconi Labs. At the time of the discovery, he was using a cat's whisker sensor and a crystal of silicon carbide. That same year he would go on to publish his findings in "Electrical World" which was a journal of his day. While Henry Joseph Round had made his breakthrough, he had been working on a new direction-locating system for marine transportation which kept him busy enough to take his mind off of the discovery - thus it was originally forgotten about.
As years passed by and made their way to 1927, a Russian researcher named Oleg Losev had revealed his conception of the very first LED lys. Although Losev's analysis had been dispersed to scientific journals in Britain, Germany and Russia, it would take decades before any worthwhile use would be made of his findings. In 1935 there had been a French physicist named Georges Destriau that discovered the emission of light within zinc sulfide. Out of honor and respect for the Russian physicist (Oleg Losev), Destriau would call this effect, "Losev Light." Georges Destriau has been credited for being the inventor of electroluminescence until this very day.
During 1951 there had been an advancement of a transistor which marked a scientific measure ahead in the physics of the semiconductor and thus, light emissions were then feasible to explain. Another milestone had been made in 1955 when Mr. Rubin Braunstein, who was working for the Radio Corporation of America, had first reported on the infrared discharge from gallium arsenide (GaAs) as well as additional semiconductor alloys. He witnessed infrared discharges that were created by basic diode frameworks by way of gallium antimonide (GaSb), GaAs, silicon-germanium (SiGe) and indium phosphide (InP) materials at room temperature as well as at 77 Kelvin.
At long last it would be in 1962 when the initial red luminescence diode (type GaAsP) could first enter the market after it was developed by an American named Nick Holnyak. This would be known as the first LED in the visual wavelength area which would then give birth to the first Light Emitting Diodes that were produced industrially.
Further semiconductor material development would make it possible in 1971 for the first LEDs to be made in green, yellow and orange colors. The efficiency and performance of LED lys would also begin to significantly improve during this time as well. Such technological advancements today have brought us very remarkable LED belysning such as high powered, miniature and LED downlights. Click Here to see a range available online today!
To discover where LED belysning innovation first began, the journey will take us back to a British experimenter/researcher during 1907. The development of electroluminescence was first identified by Henry Joseph Round who was an employee of Marconi Labs. At the time of the discovery, he was using a cat's whisker sensor and a crystal of silicon carbide. That same year he would go on to publish his findings in "Electrical World" which was a journal of his day. While Henry Joseph Round had made his breakthrough, he had been working on a new direction-locating system for marine transportation which kept him busy enough to take his mind off of the discovery - thus it was originally forgotten about.
As years passed by and made their way to 1927, a Russian researcher named Oleg Losev had revealed his conception of the very first LED lys. Although Losev's analysis had been dispersed to scientific journals in Britain, Germany and Russia, it would take decades before any worthwhile use would be made of his findings. In 1935 there had been a French physicist named Georges Destriau that discovered the emission of light within zinc sulfide. Out of honor and respect for the Russian physicist (Oleg Losev), Destriau would call this effect, "Losev Light." Georges Destriau has been credited for being the inventor of electroluminescence until this very day.
During 1951 there had been an advancement of a transistor which marked a scientific measure ahead in the physics of the semiconductor and thus, light emissions were then feasible to explain. Another milestone had been made in 1955 when Mr. Rubin Braunstein, who was working for the Radio Corporation of America, had first reported on the infrared discharge from gallium arsenide (GaAs) as well as additional semiconductor alloys. He witnessed infrared discharges that were created by basic diode frameworks by way of gallium antimonide (GaSb), GaAs, silicon-germanium (SiGe) and indium phosphide (InP) materials at room temperature as well as at 77 Kelvin.
At long last it would be in 1962 when the initial red luminescence diode (type GaAsP) could first enter the market after it was developed by an American named Nick Holnyak. This would be known as the first LED in the visual wavelength area which would then give birth to the first Light Emitting Diodes that were produced industrially.
Further semiconductor material development would make it possible in 1971 for the first LEDs to be made in green, yellow and orange colors. The efficiency and performance of LED lys would also begin to significantly improve during this time as well. Such technological advancements today have brought us very remarkable LED belysning such as high powered, miniature and LED downlights. Click Here to see a range available online today!