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公开(公告)号：US12043783B2
公开(公告)日：2024-07-23
申请号：US18056586
申请日：2022-11-17
发明人： Xiaolong Wang , Qing Cui , Yunxia Qiao , Yan Wang , Shuai Zhao , Hao Liu
IPC分类号： G02F1/1333 , C09K19/12 , C09K19/30 , C09K19/34
CPC分类号： C09K19/3405 , C09K19/12 , C09K19/3003 , C09K19/3402 , C09K2019/123 , C09K2019/124 , C09K2019/3004 , C09K2019/301 , C09K2019/3016 , C09K2019/3408 , C09K2019/3422 , C09K2019/3425
摘要： A liquid crystal composition containing a benzochromene compound and the use thereof in a liquid crystal display element or liquid crystal display. The liquid crystal composition comprises one or more compounds represented by Formula I and one or more compounds represented by Formula II. The liquid crystal composition has the characteristics of a small rotational viscosity, a large elastic constant, a high transmittance, a fast response speed, a strong resistance to ultraviolet light irradiation, and a high long-time light stability, and is particularly suitable for the field of TV display.
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2.发明授权公开(公告)号：US11976229B2
公开(公告)日：2024-05-07
申请号：US17997706
申请日：2020-08-25
发明人： Wei Zhang , Qing Cui , Gang Wen , Sumin Kang
IPC分类号： G02F1/1333 , C09K19/12 , G02F1/137
CPC分类号： C09K19/12 , G02F1/13712 , C09K2019/122 , C09K2019/123
摘要： The present invention belongs to the technical field of liquid crystal materials, and in particular relates to a negative liquid crystal composition and a liquid crystal display element or liquid crystal display containing the liquid crystal composition. The present invention discloses a negative dielectric nematic liquid crystal composition, comprising a compound represented by Formula I, one or more compounds represented by Formula II, and one or more compounds represented by Formula III. The liquid crystal composition has a relatively low rotational viscosity (γ1), a high clearing point (Cp), a good solubility and a high stability to heat and light (VHR) on the basis of maintaining an appropriate optical anisotropy (Δn), and can be used for developing a liquid crystal display element or liquid crystal display with a low cell thickness, a wide temperature for display, and a fast response.
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公开(公告)号：US11555151B2
公开(公告)日：2023-01-17
申请号：US17251620
申请日：2020-04-03
发明人： Xuanfei Sun , Sumin Kang , Gang Wen , Qing Cui , Hongru Gao , Jikai Li , YanLi Dong
摘要： A liquid crystal composition, a liquid crystal display element and a liquid crystal display comprising the liquid crystal composition belong to the field of liquid crystal display. The liquid crystal composition comprises a compound represented by formula I with a mass content of 1-10% as the first component, a compound represented by formula II with a mass content of 1-20% as the second component, more than two compounds represented by formula III as the third component, more than three compounds represented by formula IV as the fourth component, and one or more polymerizable compounds as the fifth component, the crystal composition has low rotational viscosity and low γ1/K33 on the basis of maintaining appropriate optical anisotropy. When applied to liquid crystal display elements or liquid crystal displays, the liquid crystal display has a fast response speed.
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公开(公告)号：US10698266B2
公开(公告)日：2020-06-30
申请号：US16108249
申请日：2018-08-22
发明人： Xuefeng Li , Kelun Shu , Kai Xu , Lihong Gui , Qian Zhang , Zhengqiang Li , Yunxia Qiao , Qing Cui
IPC分类号： C09K19/20 , G02F1/1337 , C09K19/30 , C09K19/44 , G02F1/1333 , H01L27/12 , C09K19/34
摘要： Disclosed is a liquid crystal display device comprising an array substrate and an opposite substrate arranged facing the array substrate, and further comprises a liquid crystal composition located between said array substrate and the opposite substrate, wherein said array substrate comprises elongated and evenly spaced slit electrodes and electrode gaps between the slit electrodes, with the slit electrodes and the electrode gaps said being located in the same layer structure; said array substrate comprises a bulk electrode below the slit electrodes; and said array substrate further comprises an insulating layer between the slit electrodes and the bulk electrode. The liquid crystal display device has a higher light transmittance, such that more backlight passes through the liquid crystal display device, resulting in the liquid crystal display device having a higher luminance.
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5.发明授权公开(公告)号：US11466214B2
公开(公告)日：2022-10-11
申请号：US16398067
申请日：2019-04-29
发明人： Yapeng Huang , Yunxia Qiao , Gang Wen , Qing Cui , Guoliang Yun , Mingxia Wang , Sumin Kang
摘要： A positive dielectric anisotropic liquid crystal composition includes one or more compounds of formula I and one or more compounds of formula II: wherein R1 represents cyclopropyl, cyclobutyl or cyclopentyl, R2, R3 and R4 are as defined in the specification, and a liquid crystal display device. The liquid crystal composition has positive dielectric properties, a high charge retention ratio, a low rotary viscosity, a fast response time, and especially a high transmittance, and is suitable for manufacturing a TFT-LCD with a high transmittance and a fast response.
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公开(公告)号：US11447702B2
公开(公告)日：2022-09-20
申请号：US17251593
申请日：2020-04-03
发明人： Ruixiang Liang , Sumin Kang , Gang Wen , Qing Cui , Hongru Gao , Yuanyuan Li , Jikai Li , YanLi Dong , Xinxia Wang
IPC分类号： G02F1/1333 , C09K19/34 , C09K19/04
摘要： A liquid crystal composition, a liquid crystal display element and a liquid crystal display comprising the liquid crystal composition belong to the field of liquid crystal display. The liquid crystal composition of the present disclosure comprises a compound represented by formula I, a compound represented by formula II, one or more compounds represented by formula III, one or more compounds represented by formula IV and more than three compounds represented by formula V. The liquid crystal composition has low rotational viscosity γ1 and high stability to heat and light on the basis of maintaining appropriate optical anisotropy Δn, which can realize fast response of liquid crystal display.
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公开(公告)号：US11441072B2
公开(公告)日：2022-09-13
申请号：US17251041
申请日：2020-04-03
发明人： Wei Zhang , Sumin Kang , Xiaolong Wang , YunXia Qiao , Qing Cui , Gang Wen
IPC分类号： G02F1/1333 , C09K19/30 , C09K19/12 , C09K19/34
摘要： A dielectric negative liquid crystal composition, a liquid crystal display element and a liquid crystal display containing the liquid crystal composition belong to the field of liquid crystal display. The liquid crystal composition of the present disclosure includes a compound represented by formula I, a compound represented by formula II, two or more compounds represented by formula III and one or more compounds represented by formula IV. The liquid crystal composition of the present invention has high dielectric anisotropy, high elastic constant K, low rotational viscosity, can be used to develop large dielectric, fast response liquid crystal display elements or liquid crystal displays.
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8.发明授权公开(公告)号：US12024664B2
公开(公告)日：2024-07-02
申请号：US18079390
申请日：2022-12-12
发明人： Hongru Gao , Wenxiao Xing , Meida Pan , Qing Cui , Gang Wen , Jikai Li
IPC分类号： G02F1/1333 , C09K19/12 , C09K19/34
CPC分类号： C09K19/3402 , C09K19/12 , C09K19/3491 , C09K2019/122 , C09K2019/123 , C09K2019/3416 , C09K2019/3425
摘要： The present invention belongs to the technical field of liquid crystal materials, and in particular relates to a liquid crystal composition with good frequency dependence and a liquid crystal display element or liquid crystal display containing the liquid crystal composition. The liquid crystal composition of the present invention comprises a compound represented by Formula I, a compound represented by Formula II and a compound represented by Formula III, wherein the mass percentage content of the compound represented by Formula I is not less than 30%. The liquid crystal composition provided by the present invention has an appropriate optical anisotropy, an appropriate dielectric anisotropy, especially a relatively low rotational viscosity, a good low-temperature mutual solubility and a good reliability, especially good frequency dependence.
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