Glossary Definition for LED

Definition

Light-Emitting Diode: A semiconductor device that emits light (usually visible or infrared) when forward-biased.

The application note, "Driving LEDs in Battery-Operated Applications: Controlling Brightness Power Efficiently" has a good explanation of how LEDs work, especially with regard to current vs. LED brightness and schemes for matching brightness when driving multiple LEDs.

Synonyms

• Light-Emitting Diode

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