Patents by Inventor Wenyang MA
Wenyang MA 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: 11773327Abstract: A PSA-type liquid crystal composition includes a host liquid crystal A and a polymerizable component B, where the host liquid crystal A includes one or more liquid crystal compounds, and the polymerizable component B includes at least one compound selected from compounds of general formula I-1, general formula I-2 and general formula I-3. A liquid crystal display device includes the PSA-type liquid crystal composition above. The PSA-type liquid crystal composition has better intersolubility, cannot be crystallized at a low-temperature environment, can form a relatively stable pretilt angle after the polymerization of the polymerizable component, avoids the image sticking, and inhibits the occurrence of a display defect, such as Zara Particle, during the polymerization.Type: GrantFiled: March 27, 2020Date of Patent: October 3, 2023Assignee: Jiangsu Hecheng Display Technology Co., Ltd.Inventors: Wenyang Ma, Liwei Wang, Weigang Yan, Wenming Han, Haibin Xu
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Patent number: 11629291Abstract: A liquid crystal composition contains: at least one compound of general formula I and at least one polymerizable compound of general formula II. Such a liquid crystal composition has a suitable optical anisotropy, a suitable dielectric anisotropy, and a better pretilt angle consistency while maintaining a relatively high clearing point, and the drop mura is good. When the liquid crystal composition is applied to a PSA liquid crystal display, the liquid crystal composition has an excellent display effect.Type: GrantFiled: June 28, 2018Date of Patent: April 18, 2023Assignee: Jiangsu Hecheng Display Technology Co., Ltd.Inventors: Wenyang Ma, Liwei Wang, Haibin Xu, Wenming Han, Wenqi Zhang
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Patent number: 11466212Abstract: A liquid crystal composition includes one or more compounds of general Formula I in an amount of 1%-30% by weight of the total weight of the liquid crystal composition, one or more compounds of general Formula II in an amount of 5%-35% by weight of the total weight of the liquid crystal composition, and one or more compounds of general Formula III in an amount of 1%-35% by weight of the total weight of the liquid crystal composition. The liquid crystal composition has an appropriate clearing point, an appropriate optical anisotropy, an appropriate dielectric anisotropy, as well as a higher voltage holding ratio, a higher transmittance, a good high-temperature resistant performance and a faster response speed, thus being suitable for display modes, such as VA, IPS and FFS. A photoelectric display device includes the liquid crystal composition.Type: GrantFiled: August 20, 2020Date of Patent: October 11, 2022Assignee: Jiangsu Hecheng Display Technology Co., Ltd.Inventors: Weigang Yan, Wenyang Ma, Wenming Han
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Patent number: 11359140Abstract: Disclosed are a liquid crystal composition and a liquid crystal display device. The liquid crystal composition comprises at least one compound of general formula I, at least one compound of general formula II, at least one compound of general formula III, and at least one compound of general formula IV. By compounding the four compounds, the composition can have advantages of a wide temperature range of nematic phase, a low viscosity and a low threshold voltage, and the liquid crystal display element can have a short response time and great power saving performance.Type: GrantFiled: May 21, 2020Date of Patent: June 14, 2022Assignee: JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.Inventors: Wenyang Ma, Wenming Han, Haibin Xu, Liwei Wang, Weigang Yan
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Patent number: 11248170Abstract: The present invention provides a polymerizable compound with a structure of general formula I, which exhibits none or few of the problems existing in the prior art. A polymerizable liquid crystal composition comprising the polymerizable compound has good stability and higher reliability, and is embodied by having a smaller pretilt angle change and higher voltage holding ratio. Also, there is little or no image sticking effect in a liquid crystal display device comprising the polymerizable liquid crystal composition. The present invention also provides a method of synthesizing a polymerizable compound with a structure of general formula I. The present invention further provides a polymerizable liquid crystal composition comprising the polymerizable compound and a liquid crystal display device comprising the polymerizable liquid crystal composition.Type: GrantFiled: April 20, 2018Date of Patent: February 15, 2022Assignee: Jiangsu Hecheng Display Technology Co., Ltd.Inventors: Wenming Han, Wenyang Ma, Shuang Xu, Haibin Xu
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Patent number: 11193063Abstract: A compound having the structure of general formula I is useful as a liquid crystal composition and as a photoelectric display device including the liquid crystal composition. The compound having the structure of general formula I is chemically and physically stable, and has higher clearing point, and both large dielectric anisotropy and large optical anisotropy at the same time. The compound having the structure of general formula I is well compatible with other liquid crystal compounds when applied in a liquid crystal composition, the composition has good stability especially in a low-temperature environment, the characteristic of fast response and a wide range of applicabilities, especially applicable to the IPS-type and TN-TFT-type liquid crystal display devices.Type: GrantFiled: April 29, 2020Date of Patent: December 7, 2021Assignee: Jiangsu Hecheng Display Technology Co., Ltd.Inventors: Wenming Han, Wenqi Zhang, Wenyang Ma, Zhaoyuan Chen
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Publication number: 20210095209Abstract: A liquid crystal composition includes at least one compound of general Formula I in an amount of 1%-30% by weight of the total weight of the liquid crystal composition, at least one compound of general Formula II in an amount of 5%-35% by weight of the total weight of the liquid crystal composition, and at least one compound of general Formula III in an amount of 10%-50% by weight of the total weight of the liquid crystal composition. The liquid crystal composition has an appropriate clearing point, an appropriate optical anisotropy, an appropriate dielectric anisotropy, as well as a higher voltage holding ratio, a higher transmittance, a good high-temperature resistant performance and a faster response speed, thus being suitable for display modes, such as VA, IPS and FFS. A photoelectric display device includes the liquid crystal composition.Type: ApplicationFiled: August 20, 2020Publication date: April 1, 2021Applicant: Jiangsu Hecheng Display Technology Co., Ltd.Inventors: Weigang Yan, Wenyang Ma, Wenming Han
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Publication number: 20210095208Abstract: A liquid crystal composition includes one or more compounds of general Formula I in an amount of 1%-30% by weight of the total weight of the liquid crystal composition, one or more compounds of general Formula II in an amount of 5%-35% by weight of the total weight of the liquid crystal composition, and one or more compounds of general Formula III in an amount of 1%-35% by weight of the total weight of the liquid crystal composition. The liquid crystal composition has an appropriate clearing point, an appropriate optical anisotropy, an appropriate dielectric anisotropy, as well as a higher voltage holding ratio, a higher transmittance, a good high-temperature resistant performance and a faster response speed, thus being suitable for display modes, such as VA, IPS and FFS. A photoelectric display device includes the liquid crystal composition.Type: ApplicationFiled: August 20, 2020Publication date: April 1, 2021Applicant: Jiangsu Hecheng Display Technology Co., Ltd.Inventors: Weigang Yan, Wenyang Ma, Wenming Han
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Publication number: 20200385635Abstract: Disclosed are a liquid crystal composition and a liquid crystal display device. The liquid crystal composition comprises at least one compound of general formula I, at least one compound of general formula II, at least one compound of general formula III, and at least one compound of general formula IV. By compounding the four compounds, the composition can have advantages of a wide temperature range of nematic phase, a low viscosity and a low threshold voltage, and the liquid crystal display element can have a short response time and great power saving performance.Type: ApplicationFiled: May 21, 2020Publication date: December 10, 2020Inventors: Wenyang Ma, Wenming Han, Haibin Xu, Liwei Wang, Weigang Yan
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Publication number: 20200339883Abstract: The present invention provides a polymerizable compound with a structure of general formula I, which exhibits none or few of the problems existing in the prior art. A polymerizable liquid crystal composition comprising the polymerizable compound has good stability and higher reliability, and is embodied by having a smaller pretilt angle change and higher voltage holding ratio. Also, there is little or no image sticking effect in a liquid crystal display device comprising the polymerizable liquid crystal composition. The present invention also provides a method of synthesizing a polymerizable compound with a structure of general formula I. The present invention further provides a polymerizable liquid crystal composition comprising the polymerizable compound and a liquid crystal display device comprising the polymerizable liquid crystal composition.Type: ApplicationFiled: April 20, 2018Publication date: October 29, 2020Applicant: Jiangsu Hecheng Display Technology Co., Ltd.Inventors: Wenming Han, Wenyang Ma, Shuang Xu, Haibin Xu
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Publication number: 20200339884Abstract: A liquid crystal composition contains: at least one compound of general formula I and at least one polymerizable compound of general formula II. Such a liquid crystal composition has a suitable optical anisotropy, a suitable dielectric anisotropy, and a better pretilt angle consistency while maintaining a relatively high clearing point, and the drop mura is good. When the liquid crystal composition is applied to a PSA liquid crystal display, the liquid crystal composition has an excellent display effect.Type: ApplicationFiled: June 28, 2018Publication date: October 29, 2020Applicant: Jiangsu Hecheng Display Technology Co., Ltd.Inventors: Wenyang Ma, Liwei Wang, Haibin Xu, Wenming Han, Wenqi Zhang
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Publication number: 20200332195Abstract: A PSA-type liquid crystal composition includes a host liquid crystal A and a polymerizable component B, where the host liquid crystal A includes one or more liquid crystal compounds, and the polymerizable component B includes at least one compound selected from compounds of general formula I-1, general formula I-2 and general formula I-3. A liquid crystal display device includes the PSA-type liquid crystal composition above. The PSA-type liquid crystal composition has better intersolubility, cannot be crystallized at a low-temperature environment, can form a relatively stable pretilt angle after the polymerization of the polymerizable component, avoids the image sticking, and inhibits the occurrence of a display defect, such as Zara Particle, during the polymerization.Type: ApplicationFiled: March 27, 2020Publication date: October 22, 2020Applicant: Jiangsu Hecheng Display Technology Co., Ltd.Inventors: Wenyang Ma, Liwei Wang, Weigang Yan, Wenming Han, Haibin Xu
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Publication number: 20200255738Abstract: A compound having the structure of general formula I is useful as a liquid crystal composition and as a photoelectric display device including the liquid crystal composition. The compound having the structure of general formula I is chemically and physically stable, and has higher clearing point, and both large dielectric anisotropy and large optical anisotropy at the same time. The compound having the structure of general formula I is well compatible with other liquid crystal compounds when applied in a liquid crystal composition, the composition has good stability especially in a low-temperature environment, the characteristic of fast response and a wide range of applicabilities, especially applicable to the IPS-type and TN-TFT-type liquid crystal display devices.Type: ApplicationFiled: April 29, 2020Publication date: August 13, 2020Applicant: Jiangsu Hecheng Display Technology Co., Ltd.Inventors: Wenming Han, Wenqi Zhang, Wenyang Ma, Zhaoyuan Chen
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Patent number: 10723947Abstract: Provided is a liquid crystal composition, comprising: one or more compounds of general formula I accounting for 1-30% of the total weight of the liquid crystal composition; one or more compounds of general formula II accounting for 1-30% of the total weight of the liquid crystal composition; one or more compounds of general formula III accounting for 1-20% of the total weight of the liquid crystal composition; and one or more compounds of general formula IV accounting for 30-80% of the total weight of the liquid crystal composition. The liquid crystal composition has at least one of the following properties: a large specific resistance, a high voltage holding ratio, a suitable optical anisotropy, a large dielectric anisotropy, a small viscosity, a low threshold voltage, etc., and is also green and environmentally friendly.Type: GrantFiled: April 21, 2016Date of Patent: July 28, 2020Assignee: JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.Inventors: Yunyun Liu, Wenming Han, Wenquan Ding, Pengfei Li, Haibin Xu, Lifang Yao, Di He, Wenyang Ma, Heming Zhang, Junqiang Zhang
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Patent number: 10508237Abstract: Provided is a liquid crystal composition, comprising: 1-30% of one or more compounds of general formula I; 1-50% of one or more compounds of general formula II; 1-20% of one or more compounds of general formula III; 20-70% of one or more compounds of general formula IV; and 1-30% of one or more compounds of general formula V. The liquid crystal composition has properties such as a large maximum absolute transmittance, a high voltage holding ratio, better anti-UV properties, and high temperature reliability, and has a suitable optical anisotropy, a suitable dielectric anisotropy, and a relatively high clearing point, and is environmentally friendly.Type: GrantFiled: April 21, 2016Date of Patent: December 17, 2019Assignee: JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.Inventors: Wenyang Ma, Wenming Han, Haibin Xu, Wenquan Ding, Pengfei Li, Yunyun Liu, Di He, Lifang Yao, Heming Zhang
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Patent number: 10457869Abstract: A liquid crystal composition comprises a compound of general formula I serving as a first component; a compound of general formula II-1 and/or general formula II-2 serving as a second component; a compound of general formula III serving as a third component; a compound of general formula IV serving as a fourth component; a compound of general formula V serving as a fifth component; and a compound of general formula VI serving as a sixth component. The liquid crystal composition has at least one characteristic among the characteristics of a large dielectric anisotropy, a large optical anisotropy, a high voltage holding ratio and a low threshold voltage and the like, and is suitable to be used in a liquid crystal display device. Additionally, a liquid crystal display device comprising the liquid crystal composition is also provided.Type: GrantFiled: April 21, 2016Date of Patent: October 29, 2019Assignee: Jiangsu Hecheng Display Technology Co., Ltd.Inventors: Huijuan Dai, Wenming Han, Wenquan Ding, Pengfei Li, Haibin Xu, Di He, Yunyun Liu, Lifang Yao, Wenyang Ma, Dingfu Ma, Heming Zhang
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Patent number: 10005959Abstract: The present invention discloses a liquid crystal composition comprising: 15-35% by weight of a compound of general formula I; 3-20% by weight of a compound of general formula II; 5-30% by weight of a compound of general formula III; 1-20% by weight of a compound of general formula IV; 10-35% by weight of a compound of general formula V-1 and/or a compound of general formula V-2; and 1-25% by weight of a compound of general formula VI. The liquid crystal composition provided by the present invention has the characteristics of an appropriate optical anisotropy, an appropriate dielectric anisotropy, a higher clearing point, a better voltage holding ratio, and a good UV-resistant stability, etc., and can be applied to a liquid crystal display.Type: GrantFiled: August 12, 2015Date of Patent: June 26, 2018Assignee: JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.Inventors: Wenming Han, Haibin Xu, Wenyang Ma
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Publication number: 20180142154Abstract: A liquid crystal composition having good photostability and thermostability. The liquid crystal composition comprises: 5-30% of one or more compounds of general formula I based on the total weight of the liquid crystal composition; 1-30% of one or more compounds of general formula II based on the total weight of the liquid crystal composition; 1-30% of one or more compounds of general formula III based on the total weight of the liquid crystal composition; 1-20% of one or more compounds of general formula IV-1 and/or general formula IV-2 based on the total weight of the liquid crystal composition; and 15-50% of one or more compounds of general formula V based on the total weight of the liquid crystal composition. A liquid crystal display element containing the liquid crystal composition is also provided.Type: ApplicationFiled: April 21, 2016Publication date: May 24, 2018Applicant: JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.Inventors: Wenming HAN, Haibin XU, Wenquan DING, Wenyang MA, Zhaoyuan CHEN
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Publication number: 20180119011Abstract: Provided is a liquid crystal composition, comprising: 1-30% of one or more compounds of general formula I; 1-50% of one or more compounds of general formula II; 1-20% of one or more compounds of general formula III; 20-70% of one or more compounds of general formula IV; and 1-30% of one or more compounds of general formula V. The liquid crystal composition has properties such as a large maximum absolute transmittance, a high voltage holding ratio, better anti-UV properties, and high temperature reliability, and has a suitable optical anisotropy, a suitable dielectric anisotropy, and a relatively high clearing point, and is environmentally friendly.Type: ApplicationFiled: April 21, 2016Publication date: May 3, 2018Applicant: JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.Inventors: Wenyang MA, Wenming HAN, Haibin XU, Wenquan DING, Pengfei LI, Yunyun LIU, Di HE, Lifang YAO, Heming ZHANG
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Patent number: 9951276Abstract: The present invention discloses a liquid crystal composition and a display device containing the same. The liquid crystal composition comprises one or more compounds of general Formula I; one or more compounds of general Formula II; and one or more compounds of general Formula III. The liquid crystal composition provided in the present invention has the properties of large optical and dielectric anisotropies, high clearing point, fast response speed, high resistivity, and good high-temperature and UV stability, and is applicable to a liquid crystal display (LCD), and particularly an LCD display requiring fast response speed, such that a good display effect of images without ghosting can be achieved when the LCD display works in a harsh environment.Type: GrantFiled: October 12, 2015Date of Patent: April 24, 2018Assignee: JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.Inventors: Panpan Wang, Wenming Han, Wenyang Ma, Wenqi Zhang