Assertion: emitting diode | /r/CapableOf | emit light
Facets:
value: due to electroluminescence effect
type: CAUSE
Source sentences:
text: Light-emitting diodes (LEDs) are p-n junctions that emit light when a current flows through them.
text: A light-emitting diode (LED) is a semiconductor light source that emits light when current flows through it.
text: An LED or a Light Emitting Diode is semiconductor device that emits light due to Electroluminescence effect.