Title: Liquid crystal alignment in nanoporous anodic aluminum oxide layer for LCD panel applications
Authors: Hong, Chitsung
Tang, Tsung-Ta
Hung, Chi-Yu
Pan, Ru-Pin
Fang, Weileun
Department of Electrophysics
Issue Date: 16-Jul-2010
Abstract: This paper reports the implementation and integration of a self-assembled nanoporous anodic aluminum oxide (np-AAO) film and liquid crystal (LC) on an ITO-glass substrate for liquid crystal display (LCD) panel applications. An np-AAO layer with a nanopore array acts as the vertical alignment layer to easily and uniformly align the LC molecules. Moreover, the np-AAO nanoalignment layer provides outstanding material properties, such as being inorganic with good transmittance, and colorless on ITO-glass substrates. In this application, an LCD panel, with the LC on the np-AAO nanoalignment layer, is successfully implemented on an ITO-glass substrate, and its performance is demonstrated. The measurements show that the LCD panel, consisting of an ITO-glass substrate and an np-AAO layer, has a transmittance of 60-80%. In addition, the LCD panel switches from a black state to a bright state at 3 V(rms), with a response time of 62.5 ms. In summary, this paper demonstrates the alignment of LC on an np-AAO layer for LCD applications.
URI: http://dx.doi.org/10.1088/0957-4484/21/28/285201
ISSN: 0957-4484
DOI: 10.1088/0957-4484/21/28/285201
Volume: 21
Issue: 28
End Page: 
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