LED, Definition, Lights, Types, & Facts

LED, in electronics, a semiconductor device that emits infrared or visible light when charged with an electric current. Visible LEDs are used in many electronic devices as indicator lamps, in automobiles as rear-window and brake lights, and on billboards and signs as alphanumeric displays or even

LED, Definition, Lights, Types, & Facts

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Light, Definition, Properties, Physics, Characteristics, Types, & Facts