LED

A light emitting diode (LED) is an electronic component that emits (gives off) light when an electrical current is passed through it. Initially used for digital numerical displays like clocks, watches, and instrument gauges, LEDs are now used in home and commercial lighting, video displays, outdoor billboards and signage, automotive applications, and aviation lighting.

 

 

 

Web Webster
Web Websterhttps://www.webopedia.com
Web Webster has more than 20 years of writing and editorial experience in the tech sector. He’s written and edited news, demand generation, user-focused, and thought leadership content for business software solutions, consumer tech, and healthcare, as well as Dotdash’s Lifewire.com. In addition to editing webopedia.com, he edits and writes for a portfolio of tech industry news and analysis websites including LinuxToday.com, and DatabaseJournal.com.

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