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Inorganic Thin film for Horizontal Aligned Liquid Crystal with Non-rubbing Technologies  

Choi, Daesub (서일대학교 전기과)
Shin, Hochul (DHL 정보시스템실)
Publication Information
Journal of Satellite, Information and Communications / v.10, no.2, 2015 , pp. 75-79 More about this Journal
Abstract
In this study, we investigated the electro-optical (EO) characteristic of fringe-field switching (FFS) mode cell by the ion beam alignment method on the a-C:H thin film. The suitable inorganic thin films for FFS cell and the aligning capabilities of nematic liquid crystal (NLC) using the new alignment material of a-C:H thin film were studied. An excellent voltage-transmittance (V-T) and response time curve of the ion beam aligned FFS-LCD was observed with oblique ion beam exposure on the a-C:H thin films. Also, the V-T hysteresis characteristics of the ion beam-aligned FFS-LCD with IB exposure on the a-C:H thin films is almost the same as that of the rubbing-aligned FFS cell on a polyimide surface.
Keywords
liquid crystal; liquid crystal alignment; Inorganic alignment layer; Pretilt angle; EO characteristics;
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