Alignment of liquid crystals using a molecular layer with patterned molecular density.

Son, Jong-Ho; Zin, Wang-Cheol; Takezoe, Hideo; Song, Jang-Kun · Adv Mater · 2012

basic_science · Level V

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Abstract

The surface of self-constructed molecular density modulation (SDM) exhibits a wide range of liquid crystal alignment capabilities including planar, tilted, and homeotropic alignments, disclination-free uniform and heterogeneous alignments, and even spatially varying alignments through the single non-contact process. Alignment defects are eliminated by temporary lowering the frictional energy barrier via the open-boundary elastic stabilization (OES) treatment.

Medical subject headings