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Today in History: Nick Holonyak showcases first public LED demonstration

10/9/2025

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Summary

Story summary

On October 9, 1962, Nick Holonyak Jr., an engineer at General Electric, publicly demonstrated the first light-emitting diode (LED). This groundbreaking invention marked a significant advancement in semiconductor technology, paving the way for the development of commercial LEDs. Holonyak's work laid the foundation for modern lighting and display technologies.

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Story summary

On October 9, 1962, Nick Holonyak Jr., an engineer at General Electric, publicly demonstrated the first light-emitting diode (LED). This groundbreaking invention marked a significant advancement in semiconductor technology, paving the way for the development of commercial LEDs. Holonyak's work laid the foundation for modern lighting and display technologies.