講演名 | 2000/10/13 Effect of Thermal Treatment on the Alignment Property of Rubbed Polyimide Alignment Layer , |
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抄録(和) | |
抄録(英) | Thermal treatments at different temperatures were performed on the rubbed polyimide alignment layer for liquid crystal display. With increasing the temperature of thermal treatment, the pretilt angle of liquid crystals 4-cyano-4'-n-pentylbiphenyl on PI surface decreased gradually, together with the decreasing of degree of the surface atomic order. In the meanwhile, the surface microgrooves produced by rubbing still existed and changed little at different temperatures of thermal treatment. All results demonstrate that rubbing caused the polymer chains to orient orderly along the rubbing. direction and formed an anisotropic surface. High temperature thermal treatment made the polymer chains immigrate and decreased the degree of surface chain order, thus affecting the alignment property. It is proposed that the uniform alignment of LCs on rubbed surface is caused by the intermolecular interaction between the LC molecules and the oriented polymer chains induced by rubbing. |
キーワード(和) | |
キーワード(英) | polyimide / thermal treatment / liquid crystal / alignment layer |
資料番号 | EID2000-146 |
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研究会 | EID |
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開催期間 | 2000/10/13(から1日開催) |
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講演論文情報詳細 | |
申込み研究会 | Electronic Information Displays (EID) |
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本文の言語 | ENG |
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サブタイトル(和) | |
タイトル(英) | Effect of Thermal Treatment on the Alignment Property of Rubbed Polyimide Alignment Layer |
サブタイトル(和) | |
キーワード(1)(和/英) | / polyimide |
第 1 著者 氏名(和/英) | / Xiao Liang |
第 1 著者 所属(和/英) | Department of Chemistry, Tsinghua University |
発表年月日 | 2000/10/13 |
資料番号 | EID2000-146 |
巻番号(vol) | vol.100 |
号番号(no) | 356 |
ページ範囲 | pp.- |
ページ数 | 6 |
発行日 |