Linked from
The 12 pages that link to Electroluminescence, each with the reason it gives.
OLEDNarrower topic: OLEDs produce light through this broader physical process.
Solid-state lightingRelated: It is the basic light-producing process in semiconductor emitters.
LuminescenceBroader topic: Electrical excitation drives emission in devices such as LEDs.
Shuji NakamuraNarrower topic: An LED produces light through this broader physical effect.
Segment displayRelated: It is the physical basis of some non-LED segment display technologies.