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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.
- Light-emitting Diode Physics
Light-emitting diode physics. Light-emitting diodes (LEDs)...
- Led Wallpaper
LED wallpaper. LED wallpaper is the integration of...
- Cat's-Whisker Detector
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- Seven-segment Display
A typical 7-segment LED display component, with decimal...
- Electroluminescence
Views of a liquid crystal display, both with...
- Phosphor
Light-emission process Jablonski diagram shows the energy...
- LED circuit
In electronics, an LED circuit or LED driver is an...
- Light-emitting Diode Physics
Light-emitting diodes (LEDs) In a diode formed from a direct band-gap semiconductor, such as gallium arsenide, charge carriers that cross the junction emit photons when they recombine with the majority carrier on the other side. Depending on the material, wavelengths (or colors) from the infrared to the near ultraviolet may be produced.
A light-emitting diode (LED) is a semiconductor device that produces light from electricity. LEDs last a long time and do not break easily (compared to incandescent lightbulbs). They can produce many different colors. They are efficient - most of the energy turns into light, not heat.
The “ Light Emitting Diode ” or LED as it is more commonly called, is basically just a specialised type of diode as they have very similar electrical characteristics to a PN junction diode. This means that an LED will pass current in its forward direction but block the flow of current in the reverse direction.
Light Emitting Diodes (LEDs) are light sources made from semiconductor devices. LEDs are gradually becoming the most popular light sources used in households, cars, and public lighting. They are …
