Assertion: led | /r/CapableOf | use semiconductor
Facets:
value: to create light
type: PURPOSE
Source sentences:
text: These LEDs early LEDs used a semiconductor made using gallium, arsenic and phosphorus - GaAsP.
text: The LED is a light source which uses semiconductors and electroluminescence to create light.
text: The LED is a light source which uses semiconductors and electroluminescence to create light.
text: The LED is a light source which uses semiconductors and electroluminescence to create light.