0
In 1993. For more info on the discovery go here:
http://en.wikipedia.org/wiki/Light-emitting_diode#Discoveries_and_early_devices
Add your answer:
Earn +20 pts
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 is inventions led to electric power?
Edison invented the light bulb.
Who Inventions led to electric power?
Edison invented the light bulb.
Who invented the first LED light bulb?
Thomas Edison invented light because he made light so why not bulbs
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 did Thomas Edison invented?
The light bulb!
Which was invented first telephone light bulb microwave?
Telephone The telephone was invented in 1876.The light bulb was invented in 1879. The microwave was invented in 1945.
Who invented the light ball?
The inventor of the light bulb is Thomas Edison. He patented the first commercially successful incandescent light bulb in 1879.
What year was it when Thomas Edison invented the light bulb?
Thomas Edison invented the light bulb in 1879.
