HISTORY OF THE BULB TO THE LED BULB
THE BULB TO THE LED BULB The beautiful story of the electroluminescent diode continues to revolutionize the world in which we live. It is from this term that comes to the abbreviated term "LED bulb" in French, or LED in English (for light-emitting diode.) Discovery of LED technology It was in Russia that the first LED lamp was invented in 1927. But no practical application could result for decades. It is thanks to the work of American and Japanese researchers mainly that LED technology has developed, some of which will be rewarded with a Nobel Prize in physics. It is from this technology that was born the remote control, which uses an infrared LED bulb. The appearance of the white LED Looks like it took years of research to get LEDs that emit the primary colors of red, green and blue. The appearance of the trio was a revolution. The set allowed to obtain white light, or any other color of the prism by mixing them. Another revolution quickly foll...