Assertion: led | /r/MadeOf | direct semiconductors
Facets:
value: mostly
type: DEGREE
Source sentences:
text: It is more efficient that LEDs are made from direct semiconductors so that nothing else (phonons) is required.
text: It is more efficient that LEDs are made from direct semiconductors so that nothing else (phonons) is required.
text: Why are most LEDs made from direct semiconductors?
text: Why are most LEDs made from direct semiconductors?
text: LEDs are mostly made from direct semiconductors because no change in momentum is required for an electron in the conduction band to recombine with a hole in the valence band.
text: LEDs are mostly made from direct semiconductors because no change in momentum is required for an electron in the conduction band to recombine with a hole in the valence band.