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Title: Effect of the Polyimide Concentration on the Memory Stability of the Silica-Nanoparticle-Doped Hybrid Aligned Nematic Cell
Authors: Huang, Chi-Yen;Chen, Jian-Hong;Hsieh, Chia-Ting;Song, Heng-Cheng;Wang, Yu-Wu;Horng, Lance;Shih, Yu-Tai;Hwang, Shug-June
Contributors: 光電科技研究所
Date: 2011-02
Issue Date: 2013-12-30T09:46:05Z
Publisher: The Japan Society of Applied Physics
Abstract: We investigate the stability of the memory state of the silica-nanoparticle-doped hybrid aligned nematic (SN-HAN) cell. The memory stability of the cell is attributed to the employed planar substrate, which is coated with a homogeneous polyimide (H-PI) film. A H-PI film with a low H-PI solid concentration gives the cell high memory stability. This is because the low H-PI solid concentration causes the film to have a high polar surface energy, trapping polar silica nanoparticles on the planar substrate tightly. The low H-PI solid concentration also gives the substrate a bumpy surface, which has a large surface area for trapping silica nanoparticles.
Relation: Japanese Journal of Applied Physics, 50(2): 021702
Appears in Collections:[光電科技研究所] 期刊論文

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