Abstract
AbstractThe dynamic evolution processes of fringe‐field induced disclinations of vertically aligned LC light valves were directly imaged for the first time by using a CCD camera with 1 ms time resolution. Various switching patterns corresponding to different fringe fields, full off (dark) to full on (bright), interlaced column on and off to full on, checkerboard on to full on, have been studied. Experimental results show that, due to the elastic coupling, the transformation speed of LC directors at the location of disclination between two topologically in‐equivalent states depends strongly on display patterns. The observed transformation speed varies from milliseconds to about one second, depending on the alignment conditions.
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