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公开(公告)号：US11208395B2
公开(公告)日：2021-12-28
申请号：US16473978
申请日：2018-05-08
发明人： Ming Li , Hongru Gao , Guoliang Yun , Xing Zhang , Jinsong Meng , Li Zhang , Lei Zhao , Yanli Dong
IPC分类号： G02F1/1333 , C07D333/76 , C07D409/04 , C07D409/06 , C07D409/12 , C09K19/06 , C09K19/30
摘要： The present invention discloses a compound of which a structural formula thereof is represented as the following formula: The compound disclosed by the present invention can be used as a liquid crystal compound and overcomes the problem that solubility of the traditional dibenzothiophene-class liquid crystals is poor, and thus can be better applied to the liquid crystal material field. The present invention further discloses a liquid crystal medium containing the compound and an application thereof.
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公开(公告)号：US10954445B2
公开(公告)日：2021-03-23
申请号：US16139431
申请日：2018-09-24
发明人： Ke-Lun Shu , RuiXiang Liang , YanLi Dong , YunXia Qiao , Lei Zhao , HuBo Zhang
摘要： Disclosed is a liquid crystal composition comprising one or more compounds represented by formula I and/or formula II and one or more compounds represented by formula III: wherein the definition of each substituent is given. The composition involved in the present invention has a low viscosity γ1, a high clearing point Tni and a large optical anisotropy Δn, and can realize a rapid response of liquid crystal display.
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公开(公告)号：US20190100697A1
公开(公告)日：2019-04-04
申请号：US16139431
申请日：2018-09-24
发明人： Ke-Lun Shu , RuiXiang Liang , YanLi Dong , YunXia Qiao , Lei Zhao , HuBo Zhang
摘要： Disclosed is a liquid crystal composition comprising one or more compounds represented by formula I and/or formula II and one or more compounds represented by formula III: wherein the definition of each substituent is given. The composition involved in the present invention has a low viscosity γ1, a high clearing point Tni and a large optical anisotropy Δn, and can realize a rapid response of liquid crystal display.
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公开(公告)号：US10457870B1
公开(公告)日：2019-10-29
申请号：US16039573
申请日：2018-07-19
发明人： Yongfeng Bao , Guoliang Yun , Jinsong Meng , Ming Li , Hubo Zhang , Lei Zhao , Zhian Liang
IPC分类号： G02F1/1333 , C09K19/34
摘要： Disclosed are a chiral compound, a liquid crystal composition containing the chiral compound, an optically anisotropic body and a liquid crystal display device. The structural formula of said chiral compound is as represented by the following formula I: The chiral compound has a high HTP value and a good solubility; a highly helical, twisted liquid crystal composition can be prepared by adding a small amount of the chiral compound; reducing the addition amount of the chiral compound can reduce the negative effect of the chiral compound on the parameters of the liquid crystal composition; under the conditions of the same addition ratio and the same helical pitch, the chiral compound can reduce the response time of the liquid crystal composition; in addition, the chiral compound has a simple structure and greatly reduces the synthesis cost.
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5.发明申请公开(公告)号：US20180320071A1
公开(公告)日：2018-11-08
申请号：US15972582
申请日：2018-05-07
发明人： Jinsong Meng , Zhiliang Shi , Lei Zhao , Ming Li , Wei Zhang , Xing Zhang , Guoliang Yun
IPC分类号： C09K19/54 , C07C69/602
摘要： Disclosed is a polymerizable compound having a structural formula as represented by the following formula I: The polymerizable compound disclosed in the present invention has a plurality of ring systems, and the entire molecular structure thereof is curved and twisted. The present invention further discloses a liquid crystal medium comprising the polymerizable compound, the polymerizable compound provided by the present invention has an appropriate polymerization rate in the liquid crystal medium, and the liquid crystal medium can be well applied to a PS-(polymer stabilized)- or PSA-(polymer stabilized alignment)-type liquid crystal display device. Further disclosed is a liquid crystal display device prepared from the liquid crystal medium.
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公开(公告)号：US11046888B2
公开(公告)日：2021-06-29
申请号：US16239306
申请日：2019-01-03
发明人： Ming Li , Guoliang Yun , Jinsong Meng , Lei Zhao , Hubo Zhang , Wenfei Liu , Zhengqiang Li
IPC分类号： G02F1/1333 , C09K19/34 , C09K19/30 , C07C43/205 , C09K19/04
摘要： Provided are a difluoromethoxy-bridge liquid crystal compound containing methyl-substituted 2,3-difluorophenyl, a liquid crystal composition containing the compound, and a liquid crystal display element and a liquid crystal display, wherein said liquid crystal composition is represented by the following formula I: wherein the difluoromethoxy-bridge liquid crystal compound containing methyl-substituted 2,3-difluorophenyl not only has a high clearing point (CP) and a prominent low-temperature miscibility with other liquid crystals, but also has a good stability to ultraviolet light, stability to high temperatures, and particularly also a high vertical dielectric constant (ε⊥), and may be applied to the formulation of various types of liquid crystal compositions, and it is particularly prominent that the compound has the advantages of both a good low-temperature miscibility and a high vertical dielectric constant (ε⊥).
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7.发明授权公开(公告)号：US10759997B2
公开(公告)日：2020-09-01
申请号：US15972582
申请日：2018-05-07
发明人： Jinsong Meng , Zhiliang Shi , Lei Zhao , Ming Li , Wei Zhang , Xing Zhang , Guoliang Yun
IPC分类号： G02F1/1333 , C09K19/54 , C07C69/602 , C07C69/54 , C09K19/12 , C09K19/58 , C07C69/653 , C09K19/04 , C09K19/30
摘要： Disclosed is a polymerizable compound having a structural formula as represented by the following formula I: The polymerizable compound disclosed in the present invention has a plurality of ring systems, and the entire molecular structure thereof is curved and twisted. The present invention further discloses a liquid crystal medium comprising the polymerizable compound, the polymerizable compound provided by the present invention has an appropriate polymerization rate in the liquid crystal medium, and the liquid crystal medium can be well applied to a PS-(polymer stabilized)- or PSA-(polymer stabilized alignment)-type liquid crystal display device. Further disclosed is a liquid crystal display device prepared from the liquid crystal medium.
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公开(公告)号：US10351773B2
公开(公告)日：2019-07-16
申请号：US15782133
申请日：2017-10-12
发明人： Ming Li , Hongru Gao , Fangmiao Zhang , Jingsong Meng , Guoliang Yun , Xing Zhang , Lei Zhao , Jia Deng
摘要： Disclosed are liquid crystal compounds of cycloalkyl-containing dibenzofuran derivatives, a preparation method therefor and use thereof. The compounds are as represented by formula I. In the molecular structures of the compounds of formula I provided by the present invention, liquid crystal compounds of cycloalkyl terminal group-containing dibenzofuran derivatives, compared with those having flexible alkyl chains as terminal groups, exhibit better intersolubility, and thus the use of a compound as represented by formula I provided by the present invention can improve the intersolubility of a liquid crystal compound and extend the application range of a liquid crystal mixture, producing an important application value.
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公开(公告)号：US10519377B1
公开(公告)日：2019-12-31
申请号：US16125005
申请日：2018-09-07
发明人： Wenxiao Xing , Lei Zhao , Guoliang Yun , Xing Zhang , Gang Wen , RuiXiang Liang , Yuanyuan Zhai , YanLi Dong
IPC分类号： G02F1/1333 , C09K19/46 , G02F1/1343 , C09K19/44 , C09K19/12 , C09K19/30 , C09K19/34 , G02F1/137
摘要： Disclosed are a liquid crystal composition and a display element or display using the liquid crystal composition, wherein the liquid crystal composition contains one or more compounds of general formulas I, II and III, The liquid crystal composition disclosed in the present invention has an excellent performance, an optical anisotropy in the range of 0.080 to 0.150, a low rotary viscosity, a fast response time, and good chemical, optical and thermal stabilities, and is very suitable for manufacturing liquid crystal display elements, particularly suitable for active matrix display elements, such as active matrix displays using a VA, FFS or IPS mode.
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