| A 90° mixed-mode twisted nematic liquid-crystal-on-silicon with an insulating protrusion structure |
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| 作者单位： | 1.School of Electronic and Information Engineering, Hebei University of Technology, Tianjin 300401, China;2.Department of Applied Physics, Hebei University of Technology, Tianjin 300401, China;3.School of Instrumentation Science and Opto-electronics Engineering, Beihang University, Beijing 100191, China |
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| 基金项目： | Project supported by the National Key Research and Development Program of China (Grant No. 2018YFB0703701) and the National Natural Science Foundation of China (Grant No. 61475042). |
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| 摘 要： | A 90°mixed-mode twisted nematic liquid-crystal-on-silicon(90°-MTN LCoS) with protrusion located between the adjacent pixels is proposed to reduce the effect of fringing field. The influence of the protrusion with different widths from0.5 μm to 0.9 μm and different heights from 0.3 μm to 0.7 μm is investigated. The results demonstrate that the invalid pixel region width can be reduced by 31.5% via using the protrusion with the suitable width and height compared with no protrusion case, which provides a higher display quality, such as the higher reflectance and contrast ratio.
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| 收稿时间： | 2021-02-15 |
A 90° mixed-mode twisted nematic liquid-crystal-on-silicon with an insulating protrusion structure |
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| Affiliation: | 1.School of Electronic and Information Engineering, Hebei University of Technology, Tianjin 300401, China;2.Department of Applied Physics, Hebei University of Technology, Tianjin 300401, China;3.School of Instrumentation Science and Opto-electronics Engineering, Beihang University, Beijing 100191, China |
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| Abstract: | A 90° mixed-mode twisted nematic liquid-crystal-on-silicon (90°-MTN LCoS) with protrusion located between the adjacent pixels is proposed to reduce the effect of fringing field. The influence of the protrusion with different widths from 0.5 μm to 0.9 μm and different heights from 0.3 μm to 0.7 μm is investigated. The results demonstrate that the invalid pixel region width can be reduced by 31.5% via using the protrusion with the suitable width and height compared with no protrusion case, which provides a higher display quality, such as the higher reflectance and contrast ratio. |
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| Keywords: | liquid-crystal-on-silicon mixed-mode twisted nematic fringing field effect reflectance |
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