Assertion: lcd's light | /r/HasSubevent | shading
Facets:
value: over the screen
type: TRANSITIVE-OBJECT
Source sentences:
text: LCDs can have many weak or stuck pixels which are permanently on or off, Some pixels may be improperly connected to adjoining pixels, rows or columns, the panel may not be uniformly illuminated by the back light resulting in uneven intensity and shading over the screen.