Liquid crystal alignment on polymer line gratings
- Liquid crystal alignment on polymer line gratings
- Walter Schenck; 고두현; Edward Samulski
- Issue Date
- Journal of applied physics
- VOL 109, NO 6, 064301-1-064301-5
- Liquid crystal alignment on polymer line gratings fabricated by a soft lithography embossing process derived from PRINTTM (Pattern Replication In Nonwetting Template) is influenced by mold removal (peel-off direction). This indicates the existence of two competing alignment mechanisms: (1) topography (i.e., the Beremann mechanism) and (2) surface modification during peel-off. The degree to which mold removal influenced liquid crystal alignment was found to be dependent on the primary structures of the embossed polymer, and the chemical composition of the mold. These findings suggest alternate ways to affect liquid crystal alignment in roll-to-roll manufacturing.
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