Assertion: led's light | /r/CapableOf | arrive perpendicular
Facets:
value: nearly
type: DEGREE
value: to the semiconductor's surface
type: LOCATION
Source sentences:
text: In general, a flat-surface uncoated LED semiconductor chip emits only light that arrives nearly perpendicular to the semiconductor's surface, in a cone shape referred to as the light cone, cone of light, or the escape cone.