Study of the purifying affects of thermal annealing for polymer‐wall liquid crystal cells |
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| Authors: | Hsin Her Yu Ren Long Chen Chen Yu Yang |
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| Affiliation: | 1. Graduate Institute of Electro‐Optical and Materials Science , National Formosa University , 64 Wenhua Road, Huwei, Yunlin 632, Taiwan;2. Graduate Institute of Electro‐Optical Engineering , National Taiwan University of Science and Technology , 43, Sec. 4, Keelung Rd., Taipei, 106, Taiwan;3. Department of Electro‐Optical Engineering &4. Optoelectronics Research Center , National United University , No.?1, Lien‐Da, Miao‐Li City, Miao‐Li 360, Taiwan |
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| Abstract: | The thermal annealing process was proposed to purify the pixel regions of a liquid crystal (LC) cell with polymer walls. This technique, based on thermal‐induced phase separation, successfully evicts the residual monomers from the LC volume and significantly improves electro‐optical properties of the polymer‐wall LC devices. The influence of the annealing process on the purity of LC‐rich domain and the electro‐optic properties of a LC cell was explored with a series of experiments. According to the experimental results, the annealing technique is extremely prospective for constructing flexible polymer‐wall LC display applications. |
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| Keywords: | polymer wall phase separation annealing phase retardation |
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