Patents by Inventor Jinsong Meng
Jinsong Meng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11208395Abstract: 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.Type: GrantFiled: May 8, 2018Date of Patent: December 28, 2021Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.Inventors: Ming Li, Hongru Gao, Guoliang Yun, Xing Zhang, Jinsong Meng, Li Zhang, Lei Zhao, Yanli Dong
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Patent number: 11130911Abstract: A compound represented by formula I, a negative liquid crystal composition comprising such a compound, and a liquid crystal display element or liquid crystal display comprising the compound or liquid crystal composition are provided. The compound represented by formula I contains two hydroxy groups. In an ODF process for a panel, due to an intermolecular force between the hydroxyl groups and the surface of the panel (a glass surface or an ITO electrode surface), the compound is spontaneously aligned, in a standing manner, on the panel glass or transparent ITO electrode substrate, causing liquid crystal molecules similar to the compound represented by formula ITO be vertically aligned, and UV light irradiation, a polymer layer with a rough surface is formed on the substrate by means of polymerization, and achieves the effects of PI insulation and vertical alignment of the liquid crystal molecules.Type: GrantFiled: April 29, 2019Date of Patent: September 28, 2021Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.Inventors: Guoliang Yun, Ming Li, Jinsong Meng, Zhian Liang, Gang Wen, Zhengqiang Li
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Patent number: 11091699Abstract: Provided are a polymerizable compound represented by formula I and a liquid crystal composition formed by combining such a polymerizable compound with a specific liquid crystal component, particularly a PSVA liquid crystal composition for displays or TV applications and a PSA-IPS liquid crystal composition for an IPS mode; in particular, the polymerizable compound has a faster polymerization rate, and a “material system” formed from the selected polymerizable component and liquid crystal component has a low rotary viscosity and good photoelectric properties, and has a high VHR after (UV) photoradiation, this avoiding the problem of the occurrence of residual images to final displays.Type: GrantFiled: December 20, 2018Date of Patent: August 17, 2021Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTDInventors: Jinsong Meng, Guoliang Yun, Zhian Liang, Xing Zhang, Ke-Lun Shu, Yongfeng Bao, Ruixiang Liang, Ming Li
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Patent number: 11078420Abstract: Provided are a polymerizable compound represented by formula I and a liquid crystal composition comprising the polymerizable compound, particularly a PSVA liquid crystal composition for displays or TV applications and a PSA-IPS liquid crystal composition for an IPS mode; in particular, the polymerizable compound has a faster polymerization rate, and a “material system” formed from the selected polymerizable component and liquid crystal component has a lower rotary viscosity and better photoelectric properties, and has a high VHR after (UV) photoradiation, this avoiding the problem of the occurrence of residual images to final displays.Type: GrantFiled: December 20, 2018Date of Patent: August 3, 2021Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.Inventors: Jinsong Meng, Ming Li, Kui Wang, Xing Zhang, Guoliang Yun, Zhian Liang, Yiping Wang, Gang Wen
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Patent number: 11046888Abstract: 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 (??), 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 (??).Type: GrantFiled: January 3, 2019Date of Patent: June 29, 2021Assignee: Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd.Inventors: Ming Li, Guoliang Yun, Jinsong Meng, Lei Zhao, Hubo Zhang, Wenfei Liu, Zhengqiang Li
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Patent number: 10759997Abstract: 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.Type: GrantFiled: May 7, 2018Date of Patent: September 1, 2020Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.Inventors: Jinsong Meng, Zhiliang Shi, Lei Zhao, Ming Li, Wei Zhang, Xing Zhang, Guoliang Yun
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Publication number: 20200032144Abstract: Disclosed are a liquid crystal composition and a liquid crystal display component. The liquid crystal composition comprises one or more compounds as represented by structural formula I-1 and/or one or more compounds as represented by structural formula I-2, one or more compounds as represented by structural formula II, and one or more compounds as represented by structural formula III: The liquid crystal display component includes the liquid crystal composition. The liquid crystal composition has a lower viscosity, can achieve a fast response, and further has a moderate dielectric anisotropy ??, a moderate optical anisotropy ?n, and a high stability to heat and light. The liquid crystal display component including the liquid crystal composition has the characteristics of a broader nematic phase temperature range, a suitable birefringence anisotropy, a very high electrical resistivity, a good anti-ultraviolet property, a high charge retention ratio, and a fast response.Type: ApplicationFiled: December 14, 2018Publication date: January 30, 2020Applicant: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.Inventors: Jinsong MENG, Ming LI, Xing ZHANG, Guoliang YUN, Lei ZHAO, Wei ZHANG
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Publication number: 20190352566Abstract: 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.Type: ApplicationFiled: July 19, 2018Publication date: November 21, 2019Applicant: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.Inventors: Yongfeng BAO, Guoliang YUN, Jinsong MENG, Ming LI, Hubo ZHANG, Lei ZHAO, Zhian LIANG
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Publication number: 20190345388Abstract: 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 (??), 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 (??).Type: ApplicationFiled: January 3, 2019Publication date: November 14, 2019Inventors: Ming LI, Guoliang YUN, Jinsong MENG, Lei ZHAO, Hubo ZHANG, Wenfei LIU, Zhengqiang LI
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Publication number: 20190345129Abstract: 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.Type: ApplicationFiled: May 8, 2018Publication date: November 14, 2019Applicant: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.Inventors: Ming LI, Hongru GAO, Guoliang YUN, Xing ZHANG, Jinsong MENG, Li ZHANG, Lei ZHAO, Yanli DONG
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Patent number: 10457870Abstract: 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.Type: GrantFiled: July 19, 2018Date of Patent: October 29, 2019Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.Inventors: Yongfeng Bao, Guoliang Yun, Jinsong Meng, Ming Li, Hubo Zhang, Lei Zhao, Zhian Liang
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Publication number: 20190256772Abstract: The present invention provides a compound represented by formula I, which can achieve a self-alignment function. Furthermore, a negative liquid crystal composition comprising such a compound, and a liquid crystal display element or liquid crystal display comprising the compound or liquid crystal composition are provided. The compound represented by formula I contains two hydroxy groups. In an ODF process for a panel, due to an intermolecular force between the hydroxyl groups and the surface of the panel (a glass surface or an ITO electrode surface), the compound is spontaneously aligned, in a standing manner, on the panel glass or transparent ITO electrode substrate, causing liquid crystal molecules similar to the compound represented by formula Ito be vertically aligned, and UV light irradiation, a polymer layer with a rough surface is formed on the substrate by means of polymerization, and achieves the effects of PI insulation and vertical alignment of the liquid crystal molecules.Type: ApplicationFiled: April 29, 2019Publication date: August 22, 2019Inventors: Guoliang YUN, Ming LI, Jinsong MENG, Zhian LIANG, Gang WEN, Zhengqiang LI
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Publication number: 20190185751Abstract: Provided are a polymerizable compound represented by formula I and a liquid crystal composition comprising the polymerizable compound, particularly a PSVA liquid crystal composition for displays or TV applications and a PSA-IPS liquid crystal composition for an IPS mode; in particular, the polymerizable compound has a faster polymerization rate, and a “material system” formed from the selected polymerizable component and liquid crystal component has a lower rotary viscosity and better photoelectric properties, and has a high VHR after (UV) photoradiation, this avoiding the problem of the occurrence of residual images to final displays.Type: ApplicationFiled: December 20, 2018Publication date: June 20, 2019Inventors: Jinsong MENG, Ming LI, Kui WANG, Xing ZHANG, Guoliang YUN, Zhian LIANG, Yiping WANG, Gang WEN
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Publication number: 20190185750Abstract: Provided are a polymerizable compound represented by formula I and a liquid crystal composition formed by combining such a polymerizable compound with a specific liquid crystal component, particularly a PSVA liquid crystal composition for displays or TV applications and a PSA-IPS liquid crystal composition for an IPS mode; in particular, the polymerizable compound has a faster polymerization rate, and a “material system” formed from the selected polymerizable component and liquid crystal component has a low rotary viscosity and good photoelectric properties, and has a high VHR after (UV) photoradiation, this avoiding the problem of the occurrence of residual images to final displays.Type: ApplicationFiled: December 20, 2018Publication date: June 20, 2019Inventors: Jinsong MENG, Guoliang YUN, Zhian LIANG, Xing ZHANG, Ke-Lun SHU, Yongfeng BAO, Ruixiang LIANG, Ming LI
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Publication number: 20180320071Abstract: 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.Type: ApplicationFiled: May 7, 2018Publication date: November 8, 2018Applicant: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.Inventors: Jinsong Meng, Zhiliang Shi, Lei Zhao, Ming Li, Wei Zhang, Xing Zhang, Guoliang Yun
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Patent number: 9803140Abstract: The present disclosure discloses a liquid crystal compound and a liquid crystal composition. The liquid crystal compound has a general structural formula as represented by formula I. The liquid crystal composition provided by the present disclosure has a lower rotary viscosity ?1, can achieve a quick response, and further has an appropriate dielectric anisotropy ??, an appropriate optical anisotropy ?n, a high stability to heat and light, a high VHR numerical value especially in the case where the liquid crystal is under harsh conditions, and a stability to electric field and electromagnetic radiation. As a liquid crystal material for use in thin film transistor techniques (TFT-LCD), the material further has the properties of a wider nematic phase temperature range, an appropriate birefringence anisotropy, a very high electrical resistivity, a good anti-ultraviolet performance, a high charge holding rate, a low vapor pressure etc.Type: GrantFiled: May 20, 2016Date of Patent: October 31, 2017Assignee: Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd.Inventors: Guoliang Yuan, Lei Zhao, Kui Wang, Mingxia Wang, Ruimao Hua, Jinsong Meng
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Patent number: 9708676Abstract: A method for preparing low-cost clean steel includes steps of: preliminarily desulfurizing iron melt: preliminarily desulfurizing in an iron melt channel during blast furnace tapping and during iron folding in an iron folding room, adding a desulfurizing ball into the iron melt during the blast furnace tapping or the iron folding; dephosphorizing and controlling sulfur: dephosphorizing and controlling sulfur during converter steelmaking, in such a manner that P?0.014% and S?0.004% during tapping; rapidly dephosphorizing by slag-forming: rapidly dephosphorizing by slag-forming during converter tapping, at a converter end point, controlling a C content at 0.02˜0.10%, adding a dephosphorizing ball through an alloy chute during the converter tapping, blowing argon and stirring at the same time; purifying steel melt during RH refining: adding a purifying ball at a late stage of the RH refining when a vacuum degree is at 66.7˜500 Pa; and continuously casting with whole-process protection.Type: GrantFiled: March 13, 2012Date of Patent: July 18, 2017Inventors: Fuping Tang, Zhen Li, Xiaofeng Wang, Peng Fei, Jinsong Meng, Yue Zhang, Yong Ma, Wenzhong Wang, Zhiwen Zhang, Xiaoshan Wang, Meng Guo, Zhigang Zhao, Yang Lin, Guoqiang Xin, Weizhi Yao
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Publication number: 20170101581Abstract: The present disclosure discloses a liquid crystal compound and a liquid crystal composition. The liquid crystal compound has a general structural formula as represented by formula I. The liquid crystal composition provided by the present disclosure has a lower rotary viscosity ?1, can achieve a quick response, and further has an appropriate dielectric anisotropy ??, an appropriate optical anisotropy ?n, a high stability to heat and light, a high VHR numerical value especially in the case where the liquid crystal is under harsh conditions, and a stability to electric field and electromagnetic radiation. As a liquid crystal material for use in thin film transistor techniques (TFT-LCD), the material further has the properties of a wider nematic phase temperature range, an appropriate birefringence anisotropy, a very high electrical resistivity, a good anti-ultraviolet performance, a high charge holding rate, a low vapor pressure etc.Type: ApplicationFiled: May 20, 2016Publication date: April 13, 2017Inventors: Guoliang Yuan, Lei Zhao, Kui Wang, Mingxia Wang, Ruimao Hua, Jinsong Meng
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Patent number: 9303208Abstract: This invention relates to liquid crystal compounds of formula I containing cyclopentyl group and difluoromethyleneoxy linking group. Liquid crystal compounds of formula I have a large dielectric anisotropy, high clearing points, and a fast response speed, thereby having great significance to formulate a liquid crystal mixture.Type: GrantFiled: January 18, 2013Date of Patent: April 5, 2016Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO., LTD.Inventors: Guoliang Yuan, Zhian Liang, Kui Wang, Ruimao Hua, Gang Wen, Miaofang Zhang, Jinsong Meng
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Publication number: 20150218449Abstract: This invention relates to liquid crystal compounds of formula I containing cyclopentyl group and difluoromethyleneoxy linking group. Liquid crystal compounds of formula I have a large dielectric anisotropy, high clearing points, and a fast response speed, thereby having great significance to formulate a liquid crystal mixture.Type: ApplicationFiled: January 18, 2013Publication date: August 6, 2015Applicant: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATRIALS Co., LTD.Inventors: Guoliang Yuan, Zhian Liang, Kui Wang, Ruimao Hua, Gang Wen, Miaofang Zhang, Jinsong Meng