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The operation principle of our flexible DHFLC cell: (a) under no applied electric field (a dark state) and (b) under an applied electric field (a bright state).
The SEM and microscopic images of an array of columnar spacers formed directly on the top sides of in-plane electrodes. The in-plane electrodes are wide and long. The columnar spacers, one of which is magnified in the inset, are thick and high on average.
Microscopic textures of our flexible VA-DHFLC cell with chevron-type in-plane electrodes, taken under crossed polarizers, in the presence of an applied field of (a) and (c) . The corresponding molecular orientations were depicted in (b) a dark state and (d) a bright state. The solid and dotted arrows represent the dipole moments of the FLC molecules and the electric field, respectively.
The EO transmission and the field response of our flexible VA-DHFLC: (a) the normalized transmitted intensity under a bipolar electric field of a square wave form at 100 Hz and (b) the dynamic EO response to an unipolar electric field of a square wave form at 100 Hz. The solid line and opened circles represent the applied electric field and the dynamic EO response, respectively.
Microscopic textures of the VA-DHFLC cell on mechanically bending under crossed polarizers in the presence of an applied electric field of : (a) a flat state of , (b) a less bent state of , and (c) a more bent state of .
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