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The 45 pages that link to Light-emitting diode, each with the reason it gives.

• SemiconductorBroader topic: Electron-hole recombination in semiconductor junctions produces its light.

• P–n junctionBroader topic: Its forward-biased junction drives the carrier recombination that produces light.

• Radiant intensityBroader topic: Its angular radiant-intensity profile helps characterize optical output.

• DiodeBroader topic: It turns diode current directly into visible or infrared light.

• ElectroluminescenceBroader topic: LEDs are the most widely used devices based on injection electroluminescence.

• Solid-state physicsBroader topic: Band structure determines the emitted light’s energy and color.

• Theatrical lightingBroader topic: LED fixtures enable efficient color mixing and reduce heat compared with many older sources.

• Forward biasBroader topic: Its forward-biased junction converts carrier recombination into emitted photons.

• Semiconductor deviceBroader topic: It turns electrical energy into light through semiconductor carrier recombination.

• Solid-state lightingBroader topic: LEDs are the main devices used in solid-state lighting.

• LuminescenceBroader topic: It converts electrical energy into light through electroluminescence.

• OptoelectronicsBroader topic: It converts electrical energy directly into light through electron–hole recombination.

• Electric lightBroader topic: It generates light by electron-hole recombination rather than heating a filament.

• Valence and conduction bandsBroader topic: Recombination across the gap releases photons with energies tied to the bands.