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公开(公告)号：US20220282159A1
公开(公告)日：2022-09-08
申请号：US17626182
申请日：2020-08-05
发明人： Hongwei ZHANG , Hui XU , Li ZHANG , Ximei SHEN , Jianhua TANG
摘要： Disclosed herein is a liquid crystal mixture applied in light compounds selected from the group of compounds of formula (I), component B comprised of one or more compounds selected from the group of compounds of formula (II), and component C comprised of one or more the liquid crystal mixture, wherein the liquid crystal mixture has higher stability of electrical performance and the light modulating device has improved optical performance.
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公开(公告)号：US20230205030A1
公开(公告)日：2023-06-29
申请号：US17927953
申请日：2021-01-21
发明人： Hongwei ZHANG , Wenqing SHEN , Jianhua TANG , Li ZHANG
CPC分类号： G02F1/13712 , C09K19/14 , C09K19/20 , C09K19/54 , C09K19/60 , G02F2202/04 , G02F2203/48
摘要： A liquid crystal composition includes a component A composed of one or more liquid crystals with negative dielectric anisotropy and a component B composed of one or more compounds selected from a general formula I, where the optical anisotropy of the liquid crystal composition is larger than 0.14. The elastic coefficient of a liquid crystal system is adjusted by introducing a bi-mesogenic compound into a negative liquid crystal or a negative liquid crystal mixture. When the liquid crystal composition is used for the dimming device, the minimum light transmittance of the dimming device in the dark state can be significantly reduced, the adjustment range of the light transmittance in the light state and the dark state can be expanded, and the haze in the dark state can be increased, thereby broadening the use range.
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