Browsing by Author "Tang, Huang-Chin"

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Innovative plasma alignment method in flexible liquid crystal display films
(2007)
Liu, Kang-Hung
;
Lee, Chin-Yang
;
Ho, Cheng-Ta
;
Cheng, Horng-Long
;
Lin, Shih-Ting
Liquid crystals (LCs) in flexible cell were aligned on polyimide (PI) surface treated by a paperlike plasma beam. The beam had energy of 450 eV and incident angle of 70 with respect to normal flexible indium-zinc oxide-coated substrate. The pretilt angle and anchoring energy of LCs on plasma-aligned PI surface were almost identical to the angle and energy of the rubbing PI. However, optical performance of the plasma-aligned cell was superior to the rubbing cell under various bending conditions. Furthermore, such noncontact alignment technology is suitable for large area and roll-to-roll fabrication of flexible LC films. (c) 2007 The Electrochemical Society.
Plasma beam alignment technique for OCB mode liquid crystal display
(2007)
Chou, Hong-Chieh
;
Wu, Wei-Qing
;
Chen, Yi-Fan
;
Chen, Huang-Ming Philip
;
Lee, Chin-Yang
Plasma beam alignment technique for OCB mode was first adopted in this study. Different exposure time of OCB cells were fabricated with sheet-like accelerated Ar+ plasma generated from anode layer thruster (ALT). Fast response time (3.3 ms) was revealed and has the potential for OCB mode LCD to replace conventional rubbing process.