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In 1993. For more info on the discovery go here:
http://en.wikipedia.org/wiki/Light-emitting_diode#Discoveries_and_early_devices
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Who invented the led light bulb?
"Nick Holonyak, 75, invented the LED (light emitting diode) in the 1960s."
Who invented the first LED light bulb?
Thomas Edison invented light because he made light so why not bulbs
Which Italian invented the light bulb?
The light bulb had already been invented, Cruto was an Italian inventor who improved on Thomas Edisons incandescent light bulb Alessandro Cruto in 1881
When and where did Thomas Jefferson invent the light-bulb?
Thomas Jefferson did not invent the light bulb. The light bulb was invented by Thomas Edison in 1879 in New Jersey.
What did Thomas eidson invented?
it is pronouced Thomas Edison he created the light bulb but supposovley a European guy did right after him but he invented the first ever light bulb
Who invented the led light bulb?
"Nick Holonyak, 75, invented the LED (light emitting diode) in the 1960s."
Who invented the first LED light bulb?
Thomas Edison invented light because he made light so why not bulbs
Who is inventions led to electric power?
Edison invented the light bulb.
Who Inventions led to electric power?
Edison invented the light bulb.
How can I repair a LED light bulb?
Repairing a LED light bulb is not recommended as they are designed to be replaced rather than repaired. If the LED light bulb is not working, it is best to replace it with a new one.
When was the flouscent light bulb invented?
== == 1856 Sir Humphry Davy invented the light bulb.......
What is the invented history of the light bulb?
in 1809 first light bulb was invented by humphry davy
Who invented the light bulb first?
The person who invented the light bulb was Nikola Tesla look him up.
What year was the light bulb invented by Thomas Edison?
The light bulb was created in 1882 by Thomas Edison.
What are the steps to follow when performing a led lights replacement?
Turn off the power to the light fixture. Remove the old LED light bulb carefully. Insert the new LED light bulb into the socket. Turn on the power and test the new LED light. Dispose of the old LED light bulb properly.
What type of light bulb is compatible with a blue refrigerator light bulb?
The type of light bulb that is compatible with a blue refrigerator light bulb is typically an LED bulb.
What did Thomas Edison invented?
The light bulb!
