Smectic Layer Deformation of Ferroelectric Liquid Crystal Sandwiched between Polymer Walls with Anchoring

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  • 配向ポリマー壁で囲まれた強誘電性液晶の層構造変化(表示記録用有機材料およびデバイス)
  • 配向ポリマー壁で囲まれた強誘電性液晶の層構造変化
  • ハイコウ ポリマーヘキ デ カコマレタ キョウ ユウデンセイ エキショウ ノ ソウ コウゾウ ヘンカ

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Abstract

We studied smectic layer structures of ferroelectric liquid crystal (FLC) formed in elongated small spaces surrounded by molecule-aligned polymer walls and rubbed polyimide alignment layers. The polymer walls, which are parallel to a rubbing direction and upright to the alignment layers, were formed by photopolymerization of aligned monomer under patterned ultraviolet-light irradiation. We observed the alignment textures of the FLC between the polymer walls with a polarizing microscope. As a result, as the interval between the polymer walls decreased, it was found that the smectic layer structure was changed from vertical-plane bending alignment (chevron structure) observed with a conventional surface-stabilized FLC into horizontal-plane bending. It is thought that the smectic layer structure deformation is decided by the competition of the anchoring effects of the alignment polyimide layers and the molecule-aligned polymer walls.

Journal

  • ITE Technical Report

    ITE Technical Report 26.25 (0), 17-21, 2002

    The Institute of Image Information and Television Engineers

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