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Proceedings Paper

Morphology and ordering control in LCPC
Author(s): Hiroshi Kumai; Satoshi Niiyama; Yoshiharu Ooi; Shinya Tahara; Yoshinori Hirai; Tsuneo Wakabashi; Tomoki Gunjima
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Paper Abstract

A phase separation under an applied electric field (PSUF treatment) in LCPC relaxes the energetic stress for dynamic operation of its device. Both higher dynamic response time and less hysteresis in dark gray scales which are significant issues in LCPC are achieved, since its treatment can control the interface between liquid crystal and matrix polymer without the damage to scattering in off state and contrast ratio. It is based on the morphological characteristic which is caused by the first step: a segregation of liquid crystal and ordering process of the liquid crystal under an applied field, and the second step: polymer/pre-polymer precipitation to maintain the early ordering of segregated liquid crystal. The essential structure of LCPC caused by the characteristic phase separation process, is characterized with confocal fluorescence microcopy, which also supports its process mechanism.

Paper Details

Date Published: 11 March 1996
PDF: 9 pages
Proc. SPIE 2651, Liquid Crystal Materials, Devices, and Applications IV, (11 March 1996); doi: 10.1117/12.235341
Show Author Affiliations
Hiroshi Kumai, Asahi Glass Co., Ltd. (Japan)
Satoshi Niiyama, Asahi Glass Co., Ltd. (Japan)
Yoshiharu Ooi, Asahi Glass Co., Ltd. (Japan)
Shinya Tahara, Asahi Glass Co., Ltd. (Japan)
Yoshinori Hirai, Asahi Glass Co., Ltd. (Japan)
Tsuneo Wakabashi, Asahi Glass Co., Ltd. (Japan)
Tomoki Gunjima, Asahi Glass Co., Ltd. (Japan)


Published in SPIE Proceedings Vol. 2651:
Liquid Crystal Materials, Devices, and Applications IV
Ranganathan Shashidhar, Editor(s)

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