A Fast Transflective Ferroelectric Liquid Crystal Display with Gray Scales in a Single Gap Geometry with Dual Transverse Electric Fields

摘要

A transflective display with high speed and gray scale capability is demonstrated using a vertically aligned deformed helix ferroelectric liquid crystal (VA-DHFLC) mode in a single gap geometry. In order to compensate the optical path difference between transmissive (T) and reflective (R) regions, dual types of transverse electric fields are produced from in-plane electrodes prepared on two substrates in T regions and on only one substrate in R regions. The VA-DHFLC mode employed in such electrode configuration provides several unique features such as defect-free alignment over large area, fast response, and gray scale capability without hysteresis.