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9 watt led bulb Rs 16 mein driver and ciruit with almuniyam body,

Before there were LED bulbs, less-efficient incandescent and fluorescent lights were the mainstays of both commercial and residential lighting. Today, LED technology is advancing more quickly than any type of light bulb before it.

Thanks to LED innovations, electricity usage can be greatly reduced, helping the planet while helping companies reduce overhead costs.
Why was the light bulb invented? Edison wanted to create a light bulb that would provide consistent, even light, accessible to ordinary people.
Robert Biard and Gary Pittman invented an infra-red LED light in 1961 while working at Texas Instruments. Due to its microscopic size, it did not have practical everyday use.

The next year, in 1962, Nick Holonyak, Jr. (the “Father of the Light-Emitting Diode”) invented the first LED that produced visible, red light while working at General Electric.

Throughout the 1960s, researchers and engineers continued experimenting with semiconductors with the goal of producing more efficient LEDs. As they experimented with different chemical substrates, bright red and orange LEDs came into production.

Then, in 1972, M. George Craford, while working at Monsanto, used one red and one green diode to create a pale yellow light. Craford also invented an LED that was about ten times brighter than Holonyak’s. Monsanto became the first company to mass produce LED lights.

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