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The effect of nanopatterning using rigiflex mold on liquid crystal alignment

Title
The effect of nanopatterning using rigiflex mold on liquid crystal alignment
Authors
Kim J.B.Lim J.R.Kim J.T.Choi C.J.Kim K.C.Ahn H.J.Hwang B.H.Kim Y.S.Baik H.K.
Ewha Authors
김연상
Issue Date
2007
Journal Title
SID Conference Record of the International Display Research Conference
ISSN
1083-1312JCR Link
Citation
SID Conference Record of the International Display Research Conference, pp. 299 - 301
Indexed
SCOPUS scopus
Document Type
Conference Paper
Abstract
The nanopatterning using rigiflex mold is introduced to solve the several problems, such as difficulty to generate the pretilt angle and to control the liquid crystal (LC) rising-up direction and low optical property, in general patterning techniques for LC alignment. The rigiflex mold allows the mold to peel off with directionality, followed by orientation of the free end chain of alignment layer with physical groove. The oriented free end chain induces the preferential direction of LC molecules in LC driving, solving the problems such as pretilt generation and control of LC rising-up direction. In addition, nanometer-scale pattern improves the optical property, such as brightness. This is attributed to the increase of LC order parameter and suppression of diffraction in nanometer-scale pattern. As a result, these results show the potential of nanopatterning technique as an alternative alignment method.
ISBN
9781605603902
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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