Effect of the Polyimide Concentration on the Memory Stability of the Silica-Nanoparticle-Doped Hybrid Aligned Nematic Cell
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概要
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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.
- 2011-02-25
著者
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Hwang Shug-june
Department Of Electro-optical Engineering & Department Of Electrical Engineering National United
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Wang Yu-Wu
Graduate Institute of Photonics and Department of Physics, National Changhua University of Education, Changhua, Taiwan 500, Republic of China
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Chen Jian-Hong
Graduate Institute of Photonics and Department of Physics, National Changhua University of Education, Changhua, Taiwan 500, Republic of China
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Huang Chi-Yen
Graduate Institute of Photonics and Department of Physics, National Changhua University of Education, Changhua, Taiwan 500, Republic of China
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Hsieh Chia-Ting
Graduate Institute of Photonics and Department of Physics, National Changhua University of Education, Changhua, Taiwan 500, Republic of China
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Song Heng-Cheng
Graduate Institute of Photonics and Department of Physics, National Changhua University of Education, Changhua, Taiwan 500, Republic of China
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Horng Lance
Graduate Institute of Photonics and Department of Physics, National Changhua University of Education, Changhua, Taiwan 500, Republic of China
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Shih Yu-Tai
Graduate Institute of Photonics and Department of Physics, National Changhua University of Education, Changhua, Taiwan 500, Republic of China
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Huang Chi-Yen
Graduate Institute of Opto-electronic Engineering, National Chang Hua University of Education, Changhua, Taiwan 500, ROC
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