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LED: Quick Facts

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Chemical fine-tuning lifts perovskite LEDs to 37% efficiency • Oct. 15, 2026, 3:20 PM ET (Tech Xplore)

Facts

Also Known As light-emitting diode • light-emissive diode

Photos and Videos

Light-emitting diodes have largely replaced older lighting technologies, such as incandescent bulbs
A classic LED digital clock
Know how halogen and fluorescent bulbs, as well as sodium, mercury, and metal-halide vapour lamps, and LEDs work
Learn how different types of electric light works - incandescent, halogen, fluorescent, and LED
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Related Topics and References

Topics

Key People

Nakamura, Shuji
Shuji Nakamura
American materials scientist
John J. Hopfield
John J. Hopfield
American physicist
Akasaki Isamu
Akasaki Isamu
Japanese materials scientist
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Nick Holonyak, Jr.
American engineer
Amano Hiroshi
Amano Hiroshi
Japanese materials scientist