Assertion: display | /r/HasAspect | a passive-matrix structure
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Source sentences:
text: Displays having a passive-matrix structure are employing super-twisted nematic STN (invented by Brown Boveri Research Center, Baden, Switzerland, in 1983; scientific details were published) or double-layer STN (DSTN) technology (the latter of which addresses a color-shifting problem with the former), and color-STN (CSTN) in which color is added by using an internal filter.