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P‐173: Fast Turn‐Off Switching of a Liquid Crystal Cell by Optically Hidden Relaxation

A method for fast turn‐off switching of a liquid crystal (LC) cell is proposed. LC in the bright state is twist‐deformed by the in‐plane field, whereas LC starts to relax in the turn‐off process from the vertically aligned state, during which the director is in parallel to the rubbing direction so that the relaxation is optically hidden. A three‐terminal (3T) structure is employed for both in‐plane and vertical switching. The turn‐off time of about 0.6 ms was obtained with no decrease in transmittance.