期刊
CRYSTALS
卷 11, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/cryst11040337
关键词
smectic liquid crystals; in-plane retardation; out-of-plane retardation; smectic layer structure
The dynamic behavior of retardation switching in SSD-liquid crystal panels is closely related to the initial molecular stacking configurations, with both in-plane and out-of-plane retardation switching behaviors affecting the overall behavior. The symmetry of the retardation switching is affected by the molecular stacking configuration, which can change depending on the applied electric field strength. Heavily twisted molecular stacking configurations result in asymmetric retardation switching behavior regardless of the electric field strength.
SSD-liquid crystal panels' retardation switching dynamic behaviors have been investigated from their in-plane and out-of-plane retardation switching behaviors. In-plane-only and a mixture between in-plane and out-of-plane retardation switching behaviors are highly related to the initial smectic liquid crystal molecular stacking configurations. With uniformly stacked configuration, a completely symmetric retardation switching, as well as light throughput behavior, was obtained. With a slight twisted stacking configuration, the retardation switching behavior is dependent on the applied electric field strength, which may change the initial molecular stacking configuration, resulting in either symmetric or asymmetric retardation switching. When the molecular stacking has twisted heavily, the obtained retardation switching showed asymmetric behavior regardless of the applied electric field strength.
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