When was led bulbs invented?

Why did LEDs become popular?

Energy efficient: The biggest advantage of LED lights is that they are extremely energy efficient. LED bulbs use 90 per cent less energy compared to incandescent or halogen bulbs. Longer life: LED bulbs have a much longer lifespan as compared to traditional light bulbs.

Why did Thomas Edison make the lightbulb?

Thomas Edison. … Edison realized that the problem with Swan’s design was the filament. A thin filament with high electrical resistance would make a lamp practical because it would require only a little current to make it glow. He demonstrated his light bulb in December 1879.

How were LED lights discovered?

In 1962, Nick Holonyak, Jr. invented the first LED that could produce visible red light. He invented these red diodes while he was employed with General Electric. … George Craford of the Monsanto Company used two Gallium Phosphide chips—one red and one green—to make LEDs that emitted a pale yellow light.

Are LED lights bad for your eyes?

The short answer to this is no, they won’t hurt your eyes. This concern comes from the LED bulb’s use of blue light. … It can only become a problem for people who have existing eye conditions. LEDs use the same amount of blue light that our smartphones, computers, and tablets use.

HOW LONG HAS LED lighting been around?

LEDs have been around for more than half a century! In fact, a viable working version of LED technology first came out in 1962. It was invented by 33 year old General Electric scientist Nick Holonyak Jr.

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