Patents by Inventor RuiXiang Liang

RuiXiang Liang 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).

  • Patent number: 11535799
    Abstract: A liquid crystal composition, a liquid crystal display element and a liquid crystal display including the liquid crystal composition, belonging to the field of liquid crystal display. The liquid crystal composition includes a compound represented by formula I and one or more compounds represented by formula II. The liquid crystal composition can increase the dielectric anisotropy and improve the voltage retention rate.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: December 27, 2022
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Kui Wang, Sumin Kang, Zhian Liang, Guoliang Yun, Hongfeng Li, Jiaming Li, Ruixiang Liang
  • Patent number: 11447702
    Abstract: 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 ?1 and high stability to heat and light on the basis of maintaining appropriate optical anisotropy ?n, which can realize fast response of liquid crystal display.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: September 20, 2022
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Ruixiang Liang, Sumin Kang, Gang Wen, Qing Cui, Hongru Gao, Yuanyuan Li, Jikai Li, YanLi Dong, Xinxia Wang
  • Patent number: 11414600
    Abstract: The present invention relates to a liquid crystal display device. The liquid crystal display device of the present invention comprises a first substrate, a second substrate, and a liquid crystal composition disposed between said first substrate and said second substrate, wherein said first substrate and said second substrate are disposed in parallel and opposite to each other; alignment layers are disposed on the sides of said first and second substrates that are close to said liquid crystal composition; and said alignment layers are provided with vertical alignment films that allow liquid crystal molecules in said liquid crystal composition to be arranged roughly perpendicular to said first and second substrates, with said liquid crystal molecules having a pretilt angle of 88.5° to 89.5°.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: August 16, 2022
    Assignee: SHIJIAZHUANG CHENGZHIYONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Jiaming Li, Zhian Liang, Guoliang Yun, Sumin Kang, Xuan Zhang, Ruixiang Liang
  • Patent number: 11268027
    Abstract: A liquid crystal composition, and a liquid crystal display element or liquid crystal display comprising the liquid crystal composition, and belongs to the field of liquid crystal display, wherein the liquid crystal composition comprises a compound represented by formula I, one or more compounds represented by formula II, one or more compounds represented by formula III, one or more compounds represented by formula IV, and at least one polymerizable compound, and has a large dielectric anisotropy (??) and a large optical anisotropy (?n), and has an obvious advantage in the development of a liquid crystal display having a high transmittance and a low cell thickness.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: March 8, 2022
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Sumin Kang, Zhian Liang, Guoliang Yun, Ruixiang Liang, Jiaming Li, Xuan Zhang
  • Patent number: 11254873
    Abstract: A liquid crystal composition, and a liquid crystal display element or liquid crystal display including the liquid crystal composition and belonging to the field of liquid crystal display. The liquid crystal composition includes a compound represented by formula I, a compound represented by formula II, one or more compounds represented by formula III, and at least one polymerizable compound. The liquid crystal composition simultaneously has a low rotary viscosity, a large refractive index, and a fast response speed.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: February 22, 2022
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL, CO., LTD.
    Inventors: Sumin Kang, Zhian Liang, Ruixiang Liang, Jiaming Li, Guoliang Yun, Xuan Zhang
  • Publication number: 20220049162
    Abstract: The invention relates to a liquid crystal composition, a liquid crystal display element and a liquid crystal display comprising the liquid crystal composition, belonging to the field of liquid crystal display. The liquid crystal composition of the present disclosure comprises a compound represented by formula I and one or more compounds represented by formula II. The liquid crystal composition can increase the dielectric anisotropy and improve the voltage retention rate.
    Type: Application
    Filed: November 18, 2020
    Publication date: February 17, 2022
    Inventors: Kui WANG, Sumin KANG, Zhian LIANG, Guoliang YUN, Hongfeng LI, Jiaming LI, Ruixiang LIANG
  • Publication number: 20220041933
    Abstract: The invention relates to a liquid crystal composition, a liquid crystal display element and a liquid crystal display comprising the liquid crystal composition, belonging to the field of liquid crystal display. The liquid crystal composition of the present disclosure comprises a compound of formula I and one or more compounds of formula II. The liquid crystal composition can increase the dielectric anisotropy and improve the voltage retention rate.
    Type: Application
    Filed: November 18, 2020
    Publication date: February 10, 2022
    Inventors: Kui WANG, Sumin KANG, Zhian LIANG, Guoliang YUN, Hongfeng LI, Jiaming LI, Ruixiang LIANG
  • Patent number: 11242486
    Abstract: A liquid crystal composition, and a liquid crystal display element or liquid crystal display comprising the liquid crystal composition, and belongs to the field of liquid crystal display. The liquid crystal composition comprises a compound represented by formula I, a compound represented by formula II, one or more compounds represented by formula III, and at least one polymerizable compound. The liquid crystal composition has a higher clearing point (CP), a large K value, a suitable optical anisotropy (?n), and a fast response speed.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: February 8, 2022
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Sumin Kang, Zhian Liang, Ruixiang Liang, Guoliang Yun, Jiaming Li, Xuan Zhang
  • Patent number: 11242487
    Abstract: A liquid crystal composition, and a liquid crystal display element or liquid crystal display comprising the liquid crystal composition, and belongs to the field of liquid crystal display, the liquid crystal composition of the present disclosure comprising a compound represented by formula I, one or more compounds represented by formula II, one or more compounds represented by formula III, and at least one polymerizable compound. The liquid crystal composition simultaneously has a low rotary viscosity (?1), a larger dielectric anisotropy (??), and a fast response speed.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: February 8, 2022
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Sumin Kang, Zhian Liang, Guoliang Yun, Xuan Zhang, Jiaming Li, Ruixiang Liang
  • Publication number: 20210355382
    Abstract: 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 ?1 and high stability to heat and light on the basis of maintaining appropriate optical anisotropy ?n, which can realize fast response of liquid crystal display.
    Type: Application
    Filed: April 3, 2020
    Publication date: November 18, 2021
    Inventors: Ruixiang LIANG, Sumin KANG, Gang WEN, Qing CUI, Hongru GAO, Yuanyuan LI, Jikai LI, YanLi DONG, Xinxia WANG
  • Patent number: 11091699
    Abstract: 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: Grant
    Filed: December 20, 2018
    Date of Patent: August 17, 2021
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD
    Inventors: Jinsong Meng, Guoliang Yun, Zhian Liang, Xing Zhang, Ke-Lun Shu, Yongfeng Bao, Ruixiang Liang, Ming Li
  • Patent number: 11078421
    Abstract: Provided are a polymerizable composition of a polymerizable compound represented by formula I and a polymerizable compound represented by formula II, a liquid crystal composition formed by combining this polymerizable composition with a specific liquid crystal component, particularly a PSVA liquid crystal composition suitable for display or TV applications, and a PSA-IPS liquid crystal composition for an IPS mode; in particular, the polymerizable liquid crystal composition has a good solubility, and an adjustable rate of polymerization and morphology after polymerization; furthermore, 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 problems of the occurrence of afterimages in final displays, etc.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: August 3, 2021
    Assignee: SHIJIAZHUANG CHENGZHI YOUNGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Ruixiang Liang, Wenxiao Xing, Gang Wen, Hongru Gao, Xuanfei Sun, Yapeng Huang, Xiaoming Xiong, Junhong Su
  • Patent number: 10982145
    Abstract: The present invention relates to a negative dielectric anisotropic liquid crystal composition, a liquid crystal display element, and a liquid crystal display. The negative dielectric anisotropic liquid crystal composition of the present invention comprises a first component composed of one or more compounds represented by formula I and a second component composed of one or more polymerizable compounds: The negative dielectric anisotropic liquid crystal composition disclosed by the present invention has a low rotary viscosity, a fast response speed and a good stability, and is very suitable for manufacturing liquid crystal display elements, particularly suitable for PS (polymer-stabilized) or PSA (polymer-stabilized alignment)-type liquid crystal displays.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: April 20, 2021
    Assignee: SHIJIAZHUANG CHENGSHI YONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Wenxiao Xing, Jiaming Li, Ruixiang Liang, Xuanfei Sun, Yapeng Huang, Hongru Gao
  • Patent number: 10954445
    Abstract: 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 ?1, a high clearing point Tni and a large optical anisotropy ?n, and can realize a rapid response of liquid crystal display.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: March 23, 2021
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Ke-Lun Shu, RuiXiang Liang, YanLi Dong, YunXia Qiao, Lei Zhao, HuBo Zhang
  • Publication number: 20200239776
    Abstract: The present disclosure relates to a liquid crystal composition, and a liquid crystal display element or liquid crystal display comprising the liquid crystal composition, and belongs to the field of liquid crystal display, wherein the liquid crystal composition of the present disclosure comprises a compound represented by formula I, one or more compounds represented by formula II, one or more compounds represented by formula III, one or more compounds represented by formula IV, and at least one polymerizable compound, and has a large dielectric anisotropy (??) and a large optical anisotropy (?n), and has an obvious advantage in the development of a liquid crystal display having a high transmittance and a low cell thickness.
    Type: Application
    Filed: April 11, 2019
    Publication date: July 30, 2020
    Inventors: Sumin KANG, Zhian LIANG, Guoliang YUN, Ruixiang LIANG, Jiaming LI, Xuan ZHANG
  • Publication number: 20200239777
    Abstract: The present disclosure relates to a liquid crystal composition, and a liquid crystal display element or liquid crystal display comprising the liquid crystal composition, and belongs to the field of liquid crystal display, said liquid crystal composition comprises a compound represented by formula I, a compound represented by formula II, one or more compounds represented by formula III, and at least one polymerizable compound, wherein the liquid crystal composition simultaneously has a low rotary viscosity, a large refractive index, and a fast response speed.
    Type: Application
    Filed: April 11, 2019
    Publication date: July 30, 2020
    Inventors: Sumin KANG, Zhian LIANG, Ruixiang LIANG, Jiaming LI, Guoliang YUN, Xuan ZHANG
  • Publication number: 20200239779
    Abstract: The present disclosure relates to a liquid crystal composition, and a liquid crystal display element or liquid crystal display comprising the liquid crystal composition, and belongs to the field of liquid crystal display, the liquid crystal composition of the present disclosure comprising a compound represented by formula I, one or more compounds represented by formula II, one or more compounds represented by formula III, and at least one polymerizable compound, wherein the liquid crystal composition simultaneously has a low rotary viscosity (?1), a larger dielectric anisotropy (??), and a fast response speed.
    Type: Application
    Filed: April 11, 2019
    Publication date: July 30, 2020
    Inventors: Sumin KANG, Zhian LIANG, Guoliang YUN, Xuan ZHANG, Jiaming LI, Ruixiang LIANG
  • Publication number: 20200239778
    Abstract: The present disclosure relates to a liquid crystal composition, and a liquid crystal display element or liquid crystal display comprising the liquid crystal composition, and belongs 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, and at least one polymerizable compound, the liquid crystal composition having a higher clearing point (CP), a large K value, a suitable optical anisotropy (?n), and a fast response speed.
    Type: Application
    Filed: April 11, 2019
    Publication date: July 30, 2020
    Inventors: Sumin KANG, Zhian LIANG, Ruixiang LIANG, Guoliang YUN, Jiaming LI, Xuan ZHANG
  • Publication number: 20200157428
    Abstract: The present invention relates to a liquid crystal display device. The liquid crystal display device of the present invention comprises a first substrate, a second substrate, and a liquid crystal composition disposed between said first substrate and said second substrate, wherein said first substrate and said second substrate are disposed in parallel and opposite to each other; alignment layers are disposed on the sides of said first and second substrates that are close to said liquid crystal composition; and said alignment layers are provided with vertical alignment films that allow liquid crystal molecules in said liquid crystal composition to be arranged roughly perpendicular to said first and second substrates, with said liquid crystal molecules having a pretilt angle of 88.5° to 89.5°.
    Type: Application
    Filed: May 7, 2019
    Publication date: May 21, 2020
    Inventors: Jiaming LI, Zhian LIANG, Guoliang YUN, Sumin KANG, Xuan ZHANG, Ruixiang LIANG
  • Patent number: 10519377
    Abstract: 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.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: December 31, 2019
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD
    Inventors: Wenxiao Xing, Lei Zhao, Guoliang Yun, Xing Zhang, Gang Wen, RuiXiang Liang, Yuanyuan Zhai, YanLi Dong