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Light-emitting diodes

Light-emitting diodes


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Science Photo Library

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Light-emitting diodes

Light-emitting diodes. Researchers hand holding a palette containing the spectrum of light-emitting diodes (LEDs). LEDs are efficient converters of electric current into light that are used in electronics displays, vehicle dashboards and brake lights. They consist of two semiconductor layers spiked with impurities to give them opposite electrical properties. The first LEDs, which produced red or green light, were developed in the 1960s. Since then, orange, yellow, blue and white LEDs have been designed. Photographed at Siemens Osram Sylvania Laboratory, Beverly, Massachusetts, USA

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

Media ID 6437325

© VOLKER STEGER/SIEMENS/SCIENCE PHOTO LIBRARY

Beverly Device Electrical Engineering Electronic Electronics Hand Massachusetts Siemens Technology Equipment Us A Palette


EDITORS COMMENTS
This print showcases the intricate world of light-emitting diodes (LEDs) and the groundbreaking research behind them. In this image, a researcher's hand delicately holds a palette containing the spectrum of LEDs, representing their ability to convert electric current into efficient and vibrant light. LEDs have revolutionized various industries, from electronics displays to vehicle dashboards and brake lights. Their design consists of two semiconductor layers infused with impurities that grant them opposing electrical properties. Initially developed in the 1960s, these remarkable devices emitted red or green light. However, continuous advancements in technology have led to the creation of orange, yellow, blue, and even white LEDs. The photograph was taken at Siemens Osram Sylvania Laboratory located in Beverly, Massachusetts - a hub for cutting-edge technological research in the United States. It beautifully captures both the precision required by researchers as they explore LED capabilities and their potential applications. Through this image captured by Science Photo Library, we are reminded of how LED technology has transformed our lives while offering a glimpse into ongoing scientific exploration within electrical engineering and physics realms. This photo serves as an inspiring testament to human ingenuity pushing boundaries beyond what was once thought possible with lighting solutions – all through these small yet powerful electronic marvels known as light-emitting diodes.

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