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A vertical-field-driven polymer-stabilized blue phase liquid crystal mode to obtain a higher transmittance and lower driving voltage.

Authors
  • Kim, Yong-Hun
  • Hur, Sung-Taek
  • Park, Chang-Sub
  • Park, Kyung-Woo
  • Choi, Suk-Won
  • Kang, Shin-Won
  • Kim, Hak-Rin
Type
Published Article
Journal
Optics Express
Publisher
The Optical Society
Publication Date
Aug 29, 2011
Volume
19
Issue
18
Pages
17427–17438
Identifiers
DOI: 10.1364/OE.19.017427
PMID: 21935109
Source
Medline
License
Unknown

Abstract

We demonstrate a vertical-field-driven polymer-stabilized blue phase liquid crystal (PS-BPLC) mode for solving low transmittance and high driving voltage problems in conventional in-plane-switching (IPS) PS-BPLC modes. By controlling the ray directions of incident beams by means of two prism sheets attached to the top and bottom substrates, continuous grayscale properties can be achieved with a vertical field, where the transmittance of the proposed structure can be increased to become twice as high as that of a IPS PS-BPLC cell, and its driving voltage can also be lowered by about 20 V. With the vertical-field-driven PS-BPLC mode, the hysteresis problem of the IPS PS-BPLC mode can also be solved due to a reduction of the electric field required to achieve sufficient field-induced retardation.

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