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US 3293513

How the First Infrared LED Was Invented

Texas Instruments' 1962 patent for the first practical semiconductor diode that emits infrared light when electricity passes through it.

Statusexpired

Granted1966

Expires1982

Claims2

Forward citations54

Prior art3

AssigneeTexas Instruments Inc

InventorsJames R Biard, Gary E Pittman

Patent B

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