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Optical Engineering

Fundamental display properties of flexible devices containing polymer-stabilized ferroelectric liquid crystal between plastic substrates
Author(s): Hideo Fujikake; Takeshi Murashige; Hiroto Sato; Yoshiki Iino; Masahiro Kawakita; Hiroshi Kikuchi
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Paper Abstract

We describe several fundamental display properties of a flexible ferroelectric liquid crystal device containing polymer fibers between thin plastic substrates. The composite film of liquid crystal and polymer was created from a solution of liquid crystal and monomer materials between the plastic substrates under ultraviolet light irradiation. The dynamic electrooptic response to analog voltage pulses was examined with an incidence of laser beam light, and its light modulation property exhibited good linearity in continuous gray-scale capability. The excellent spatial uniformity of liquid crystal alignment formed between the flexible substrates resulted in high-contrast light modulation, although slight spontaneous bending of liquid crystal alignment in the device plane was recognized. When the laser light beam was obliquely incident on the flexible display device, the measured transmittance revealed that the device has a wide viewing angle of more than 100 deg without contrast reversal. This is considered to be caused by the molecular switching in the device plane and the thin electrooptic layer in the display device.

Paper Details

Date Published: 1 September 2002
PDF: 7 pages
Opt. Eng. 41(9) doi: 10.1117/1.1496112
Published in: Optical Engineering Volume 41, Issue 9
Show Author Affiliations
Hideo Fujikake, NHK Science and Technical Research Labs. (Japan)
Takeshi Murashige, Science Univ. of Tokyo (Japan)
Hiroto Sato, NHK Science and Technical Research Labs. (Japan)
Yoshiki Iino, NHK Science and Technical Research Labs. (Japan)
Masahiro Kawakita, NHK Science and Technical Research Labs. (Japan)
Hiroshi Kikuchi, NHK Science and Technical Research Labs. (Japan)

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