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.)
led Bulb

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 followed the white LED "by mixing": a discovery that allowed to obtain white LED light via a single diode. The thing? Cover with phosphor a blue LED lamp.

LED bulb, the rise in power

led Bulb
Starting from low power, an LED bulb is mainly used in equipment that has a battery-type power supply. For example, in cars for indicators on the dashboard, remote controls for radio-controlled vehicles, etc.
It is beside the automobile that is behind the development of the LED lamps that we use today. Anxious to offer efficient lighting without draining the battery, the manufacturers have invested a lot in this area. Cities have since been a spearhead of LED, which allows them to significantly reduce their lighting bills. In offices and homes, LED is spreading just as fast, thanks to prices that keep falling and efficiency that follows the opposite curve.

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