light-emitting diode


light-emit·​ting diode ˈlīt-ē-ˈmi-tiŋ- How to pronounce light-emitting diode (audio)
: led

Examples of light-emitting diode in a Sentence

Recent Examples on the Web The resins are photopolymers that are cured by ultraviolet light-emitting diodes after each layer is printed. Phillip W. Barth, IEEE Spectrum, 25 Mar. 2024 This involves integrating a wireless light-emitting diode, or LED, beneath the skin that is connected to the device via an optical fiber. Pengju Li, Discover Magazine, 23 Mar. 2024 The tiny wires are used in sustainable electronic and optoelectronic devices including light-emitting diodes, lasers, and solar cells. IEEE Spectrum, 17 May 2021 Now a team including Hiroshi Amano of Nagoya University, who shared the 2014 Nobel Physics Prize for inventing efficient blue light-emitting diodes, has scored another breakthrough by demonstrating a 271.8-nm diode laser, more than 40 nm deeper into the ultraviolet. IEEE Spectrum, 9 Jan. 2020 This blend of transparency and conductivity also makes ITO essential in solar cells, light-emitting diodes, and smart windows, which change color under electrical fields. Byluis Melecio-Zambrano,, 23 Feb. 2023 It’s commonly used to produce compounds that are key materials in semiconductors and light-emitting diodes. Laura He, CNN, 4 July 2023 Treatment may involve ultraviolet (UV) fluorescent light bulbs, halogen lights, sunlight, or light-emitting diodes (LEDs).1 Other names for phototherapy include light therapy and heliotherapy. Tolu Ajiboye, Verywell Health, 12 May 2023 Change Your Lightbulbs Replace incandescent bulbs with light-emitting diode (LED) versions. Kaylei Fear, Better Homes & Gardens, 17 Apr. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'light-emitting diode.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of light-emitting diode was in 1962

Dictionary Entries Near light-emitting diode

Cite this Entry

“Light-emitting diode.” Dictionary, Merriam-Webster, Accessed 29 May. 2024.

Kids Definition

light-emitting diode


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