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Light-emitting diode

Light-emitting diode


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Science Photo Library

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Light-emitting diode

Light-emitting diode (LED), cutaway computer artwork. LEDs contain a semiconductor (red square, centre left) that emits light when a current passes through it. The semiconductor is usually aluminium-gallium-arsenide. LEDs are used extensively in electrical devices and circuit boards to indicate the presence of a voltage

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 9302947

© POWER AND SYRED/SCIENCE PHOTO LIBRARY

Anode Cathode Component Cutaway Diode Electrical Engineering Electronics Graphic Light Computer Artwork


EDITORS COMMENTS
This print showcases the intricate inner workings of a Light-emitting diode (LED) through a stunning computer artwork. At its core, an LED consists of a semiconductor, represented by the red square in the center-left of the image, which emits light when an electric current flows through it. The semiconductor material commonly used is aluminium-gallium-arsenide. With their widespread application in electrical devices and circuit boards, LEDs have become indispensable components in modern technology. They are particularly valued for their ability to indicate the presence of voltage with remarkable efficiency. The detailed illustration highlights each element that contributes to an LED's functionality. From the cathode to the anode and even down to the galium arsenide crystal, every component plays a crucial role in generating high-intensity light emission. This visually striking artwork not only captures the beauty found within electronic engineering but also serves as a reminder of how far our technological advancements have come. It symbolizes innovation and progress while showcasing Science Photo Library's dedication to capturing scientific wonders from various fields.

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