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Featured researches published by Sj Sung.


Applied Physics Letters | 2007

Ultraviolet embossed alignment layer for flexible liquid crystal display

Hyundae Hah; Sj Sung; Jung-Ki Park

Ultraviolet (UV) embossed alignment layer for the flexible liquid crystal display (LCD) was fabricated to prevent problems encountered with the thermal treatment of the rubbing process on the plastic substrate. The mechanical stability against bending deformation was achieved by a phase-separated polymer wall. In a bent environment, the UV embossed alignment layer for the flexible LCD provided good liquid crystal properties and mechanical stability.


Macromolecular Chemistry and Physics | 2004

Novel photo-alignment polymer layer capable of charge transport

Jaemin Lee; Jeong-Ik Lee; Sj Sung; Hye Yong Chu; Jung-Ki Park; Hong-Ku Shim


44th International Symposium, Seminar, and Exhibition, SID 2006 | 2006

Effect of plasticization of poly(vinyl cinnamate) on liquid crystal orientation stability

Hyundae Hah; Sj Sung; Ki-Yun Cho; Won-Sun Kim; Yc Jeong; Jung-Ki Park


2nd International Conference on Polymer Batteries and Fuel Cells | 2005

Coated Nafion Membrane with PVdF Copolymer / Nafion blend for improved cell performance of DMFC (direct methanol fuel cell)

Jung-Ki Park; Ki-Yun Cho; Ho-Young Jung; Ka Sung; Sj Sung; Jin-Hyuk Choi; Ye Sung


The 5th International Meeting on Information Display ( IMID' 04 ) | 2004

Dimerization Behavior of Cinnamate Group attached to Flexible Polymer Backbone and Its Application to Liquid Crystal Alignment

Sj Sung; Ki-Yun Cho; Hyundae Hah; Won-Sun Kim; Yc Jeong; Jung-Ki Park


Molecular Electronics and Devices | 2003

Photo-induced liquid crystal alignment of poly(vinyl cinnamate) and fluorinated polyimide blend alignment layers

Sj Sung; Ki-Yun Cho; Jung-Ki Park


한국약제학회 학술발표회 | 2001

Effect of poly(ethylene glycol) graft length and frequency on polyethylenimine as gene transfer vector in vitro

Sj Sung; Sang Hyun Min; Ki-Yun Cho; Young Il Yeom; Jung-Ki Park


The 2nd International Meeting on Information Display ( IMID' 01) | 2001

Liquid Crystal Alignment Properties on the Photo-Alignment Layers of PMA-g-Coumarine/6FDA-DBA blend

Sj Sung; Je-Nam Lee; Jung-Ki Park


11th Molecular Electronics & Devices Symposium | 2000

Effects of chemical structure of dianhydride on tthe lliquid crystal alignment properties

Sj Sung; Je-Nam Lee; Jung-Ki Park


1999 한국고분자학회 춘계학술발표회 | 1999

알킬기가 도입된 광배향막의 광배향특성

Je-Nam Lee; Ht Kim; Sj Sung; Jung-Ki Park

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