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

• Band gapRelated: The photon energy is linked to the semiconductor’s band-gap energy.

• Doping (semiconductors)Related: Dopant profiles help establish the carrier injection and active regions in many LEDs.

• ExcitonRelated: Radiative exciton formation and decay can produce its emitted light.

• Gallium arsenideRelated: GaAs-based alloys provide efficient infrared emission in LEDs.

• Color rendering indexRelated: LED spectra vary widely, so CRI helps compare their color rendition.

• Electric circuitRelated: An LED circuit converts electrical input into visible light.

• Electron–hole pairRelated: Radiative recombination of injected pairs produces its photons.

• Band theoryRelated: Electron transitions across its band structure release photons with characteristic energies.

• Quantum wellRelated: Quantum wells can confine carriers in an LED’s emitting region, improving control over recombination.

• Luminous efficacyRelated: LED performance is commonly reported and compared in lumens per electrical watt.

• Street lightingRelated: LEDs have become a major street-light source because they combine efficiency with controllability.

• P-type semiconductorRelated: Injected holes from p-type material participate in radiative recombination.

• GalliumRelated: Gallium nitride and related compounds underpin many modern blue and white LEDs.

• Luminous intensityRelated: LED intensity and beam direction shape its suitability for lighting applications.

• Semiconductor heterostructureRelated: Heterostructures can confine injected carriers in the active light-emitting region.

• HeterojunctionRelated: Heterojunctions can confine carriers in the region where light is produced.

• Ohmic contactRelated: Ohmic electrodes deliver current to the active semiconductor layers.

• Zhores AlferovRelated: Heterostructure design improves carrier confinement and efficiency in light-emitting diodes.

• FlashlightRelated: LED adoption transformed flashlight efficiency, lifespan, and achievable brightness.

• Segment displayRelated: LED segments produce light directly and switch rapidly.