- Light-emitting diode - Wikipedia
In electrical engineering, a light-emitting diode (LED) is a semiconductor device that emits light when current flows through it Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons
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- LEDs: What Are They? (Definition, Types, and Uses)
We will start by taking a look at what LEDs actually are, the different types of LEDs, and the uses of LEDs Finally, we will answer some of the most frequently asked questions about them
- How Light Emitting Diodes (LEDs) Work - HowStuffWorks
Light emitting diodes, commonly called LEDs, are real unsung heroes in the electronics world They do many different jobs in all kinds of devices They form numbers on digital clocks, transmit information from remote controls, light up watches and tell you when your appliances are turned on
- Light Emitting Diode: How LEDs Work, How to Use LEDs
Learn what a light emitting diode is, how LEDs work, and how to use them in electronics projects Includes history, applications, tips, and FAQs
- LED | Definition, Light, Facts | Britannica
LED, in electronics, a semiconductor device that emits infrared or visible light when charged with an electric current LED displays began to be used for consumer electronic devices starting in 1968, when Hewlett-Packard (HP) introduced the first LED display
- Light Emitting Diode (LED): Principle, Advantages, and Uses
LED works by passing electricity through a semiconductor, which releases energy in the form of light This process makes an LED highly efficient, durable, and versatile, finding its applications in everyday devices such as smartphones, TVs, and home lighting systems
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