Patents by Inventor Sumin Kang

Sumin Kang 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).

  • Publication number: 20240113441
    Abstract: An electronic device including an antenna is provided. The electronic device includes a housing and a sliding plate, wherein the housing comprises an antenna circuit unit arranged on a side surface corresponding to the sliding operation direction of the sliding plate, and a contact unit for electrically connecting the housing and the sliding plate, wherein the antenna circuit unit further includes, as a radiator, at least one frame arranged on the side surface, wherein the housing and the plate form a space, and wherein the space, the contact unit, and the antenna circuit unit can form a cavity antenna.
    Type: Application
    Filed: May 25, 2023
    Publication date: April 4, 2024
    Inventors: Jiho KIM, Sumin YUN, Hyeonuk KANG, Kyungmoon SEOL, Seongyong AN, Kyihyun JANG
  • Publication number: 20230303928
    Abstract: The present invention belongs to the technical field of liquid crystal materials, and in particular relates to a liquid crystal composition and a liquid crystal display element or liquid crystal display containing the liquid crystal composition. The present invention discloses a liquid crystal composition, comprising one or more compounds 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 of the present invention has a large optical anisotropy and a small ratio of ?1/K11, and can be used for developing a liquid crystal display element or liquid crystal display with a low cell thickness and a fast response.
    Type: Application
    Filed: August 25, 2020
    Publication date: September 28, 2023
    Inventors: Sumin KANG, Zhian LIANG, Kui WANG, Guoliang YUN, Wei ZHANG
  • Publication number: 20230167362
    Abstract: 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 (?1), 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 (?n), 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.
    Type: Application
    Filed: August 25, 2020
    Publication date: June 1, 2023
    Inventors: Wei ZHANG, Qing CUI, Gang WEN, Sumin KANG
  • Patent number: 11555151
    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 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 ?1/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.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: January 17, 2023
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Xuanfei Sun, Sumin Kang, Gang Wen, Qing Cui, Hongru Gao, Jikai Li, YanLi Dong
  • 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: 11466214
    Abstract: 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.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: October 11, 2022
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Yapeng Huang, Yunxia Qiao, Gang Wen, Qing Cui, Guoliang Yun, Mingxia Wang, Sumin Kang
  • 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: 11441072
    Abstract: 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.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: September 13, 2022
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Wei Zhang, Sumin Kang, Xiaolong Wang, YunXia Qiao, Qing Cui, Gang Wen
  • 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
  • Publication number: 20220249545
    Abstract: This disclosure relates to methods of treating cancer comprising administering an effective amount of a platinum-based chemotherapy agent in combination with a microtubule associated serine/threonine-protein kinase (MAST) inhibitor and/or a glucocorticoid receptor binding agent and/or a hsp90 binding agent and/or other chemotherapy agents disclosed herein to a subject in need thereof. In certain embodiments, this disclosure relates to pharmaceutical compositions comprising combinations of agents disclosed herein and a pharmaceutically acceptable excipient.
    Type: Application
    Filed: July 10, 2020
    Publication date: August 11, 2022
    Inventors: Sumin Kang, Jing Chen
  • Patent number: 11397382
    Abstract: Provided is a selective transfer method including depositing a thin film on a substrate; patterning the thin film using a laser or a tool to acquire a thin film of a target pattern; masking the thin film of the target pattern; selectively controlling a surface wettability through surface treatment of the masked thin film; delaminating the thin film of the target pattern by dipping a surface of the thin film with a wettability changed in response to a completion of the selective surface treatment into a liquid material and by applying a crack opening force capable of delaminating an interface between the thin film and the substrate; and immersing a target substrate into the liquid material when the thin film of the target pattern is floating in the liquid material and then scoop-up transferring the floating thin film of the target pattern.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: July 26, 2022
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Taek-Soo Kim, Sumin Kang
  • 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
  • Publication number: 20210353639
    Abstract: Described are methods of treating cancer comprising administering an effective amount of a platinum-based chemotherapy agent in combination with a microtubule associated serine/threonine-protein kinase (MAST) inhibitor, e.g., MAST1, and/or other kinase inhibitor to a subject in need thereof. Also described are methods of detecting amounts of MAST1 in a sample thereby determining whether the subject is sensitive or resistant to a platinum-based chemotherapy agent or combination of chemotherapy agents comprising the same. Kits comprising a platinum-based chemotherapy agent and a microtubule associated serine/threonine-protein kinase (MAST) inhibitor are also described.
    Type: Application
    Filed: January 18, 2019
    Publication date: November 18, 2021
    Inventors: Sumin KANG, Jing CHEN, Lingtao JIN
  • Patent number: 11150518
    Abstract: Provided is a liquid crystal display device comprising a first substrate, a second substrate, and a liquid crystal composition disposed between said first substrate and said second substrate, wherein a surface of said first substrate in contact with said liquid crystal composition is provided with an alignment layer, while said second substrate has no alignment layer; and said liquid crystal composition comprises a liquid crystal compound, a self-aligning agent, and a polymerizable compound represented by Formula I,
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: October 19, 2021
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Zhian Liang, Jiaming Li, Sumin Kang, Xuan Zhang, Dongmei Wang