Patents by Inventor Jeong Man Son

Jeong Man Son 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: 20240105951
    Abstract: The present disclosure relates to an electrode binder composition for a rechargeable battery and an electrode mixture including the same. The electrode binder composition comprising an emulsified polymer particle having a core-shell structure can maintain a structural stability of the electrode even in repeated charge and discharge cycles, while having excellent properties in terms of a binding force, a mechanical property or the like, thereby improving the overall performance of the rechargeable battery.
    Type: Application
    Filed: December 17, 2021
    Publication date: March 28, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Jungeun Woo, Min Ah Kang, Jeong Man Son, Sungjin Lee, Seon Hee Han
  • Patent number: 11870077
    Abstract: Provided are a binder composition for a secondary battery and an electrode mixture including the same. More particularly, provided are a binder composition for a secondary battery, the binder composition having excellent characteristics of binding strength, mechanical properties, etc., while maintaining structural stability of an electrode even after repeated charge/discharge cycles, thereby improving performances of a secondary battery, and an electrode mixture including the same.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: January 9, 2024
    Inventors: Jung Sup Han, Dong Jo Ryu, Seon Hee Han, Jeong Man Son, Min Ah Kang, Cheolhoon Choi
  • Publication number: 20230079409
    Abstract: The present disclosure relates to a binder for an anode of a secondary battery, an anode of a secondary battery and a secondary battery. Specifically, there is provided a binder for an anode, which comprises a (co)polymer having a storage modulus of 100 MPa or more measured at 100° C., has elasticity enough to withstand a change in the volume of an anode active material while improving processability, and ultimately secure the lifespan of a secondary battery.
    Type: Application
    Filed: November 26, 2021
    Publication date: March 16, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Min Ah Kang, Jeong Man Son, Sungjin Lee, Dong Jo Ryu, Jungeun Woo
  • Publication number: 20230080302
    Abstract: Provided is a negative electrode binder composition including a polymer (A) of a first monomer mixture containing a (meth)acrylamide group-containing monomer, an unsaturated carboxylic acid-based monomer, and a monomer having a solubility in water of 100 g/L or less; and a particulate polymer (B).
    Type: Application
    Filed: January 29, 2021
    Publication date: March 16, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Min Ah Kang, Jeong Man Son, Sung Jin Lee, Dong Jo Ryu, Seon Hee Han, Jung Sup Han, Jung Eun Woo, Cheol Hoon Choi
  • Publication number: 20230070060
    Abstract: This invention relates to a binder for an anode of a secondary battery, an anode of a secondary battery, and a secondary battery. Specifically, this invention provides a binder for an anode of a secondary battery that can not only improve anode adhesion, but also minimize resistance in a secondary battery, and ultimately, improve the life of a secondary battery.
    Type: Application
    Filed: September 17, 2021
    Publication date: March 9, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Jung Sup Han, Seon Hee Han, Jeong Man Son, Min Ah Kang, Sungjin Lee
  • Publication number: 20220384812
    Abstract: A pre-dispersant composition includes a hydrogenated nitrile-butadiene rubber and an amide-based dispersion medium, wherein viscosity is in a range of 70 cPs to 3,000 cPs when measured with a Brookfield viscometer at 25° C., and a moisture content is 0.9 wt % or less. An electrode slurry composition including the pre-dispersant composition, and an electrode for a secondary battery and a secondary battery which are prepared by using the electrode slurry composition are also provided.
    Type: Application
    Filed: January 6, 2021
    Publication date: December 1, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Jung Eun Woo, Dong Jo Ryu, Seon Hee Han, Jung Sup Han, Jeong Man Son, Min Ah Kang, Cheol Hoon Choi, Sung Jin Lee
  • Publication number: 20220209238
    Abstract: The present disclosure relates to an electrode binder composition for a rechargeable battery and an electrode mixture comprising the same. The electrode binder composition for a rechargeable battery of the present disclosure not only has excellent properties in terms of binding strength, mechanical properties, and the like, but also can maintain structural stability of an electrode even after repeated charge/discharge cycles, thus improving rechargeable battery performances.
    Type: Application
    Filed: May 28, 2020
    Publication date: June 30, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Seon Hee Han, Jung Sup Han, Min Ah Kang, Wooseok Choi, Dong Jo Ryu, Se Eun Lee, Jeong Man Son, Byoung Yun Kim, Cheolhoon Choi, Sungjin Lee
  • Publication number: 20220020992
    Abstract: There is provided an anode binder materials that can be converted into an anode binder having heat resistance, chemical resistance, excellent binding force and durability, and the like, as prerequisites for improving the performances of lithium rechargeable batteries, wherein the anode binder material comprises a vulcanization accelerator comprising a metal-organic framework (MOF); a styrene-butadiene-based copolymer; and sulfur molecule (S8).
    Type: Application
    Filed: October 14, 2020
    Publication date: January 20, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Sungjin Lee, Jeong Man Son, Dong Jo Ryu, Seon Hee Han, Jung Sup Han, Min Ah Kang, Jungeun Woo, Cheolhoon Choi
  • Publication number: 20210384512
    Abstract: A slurry composition for an electrode of a secondary battery, has a hydrophobically modified alkali-swellable emulsion (HASE), a poly(meth)acrylic acid and a conductive agent. The slurry composition is capable of realizing excellent electrode adhesion in high energy electrode. The electrode of a secondary battery prepared using the same, and a secondary battery are also provided.
    Type: Application
    Filed: December 17, 2019
    Publication date: December 9, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Cheolhoon Choi, Dong Jo Ryu, Seon Hee Han, Jung Sup Han, Jeong Man Son, Min Ah Kang
  • Publication number: 20210351410
    Abstract: An anode for a lithium rechargeable battery and a lithium rechargeable battery including the same are provided. Specifically, a plurality of anode active material layers are sequentially stacked on an anode current collector, and in the innermost layer directly contacting the anode current collector, polyolefin-based polymer is applied as a binder, and in the other layers, heterogeneous polymers are applied as binders.
    Type: Application
    Filed: June 25, 2020
    Publication date: November 11, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jeong Man Son, Jung Sup Han, Dong Jo Ryu, Seon Hee Han, Min Ah Kang, Jungeun Woo, Cheolhoon Choi, Sungjin Lee
  • Publication number: 20210313582
    Abstract: An electrode binder composition for a rechargeable battery includes emulsion polymer particles comprising a1) first repeat units derived from conjugated diene monomers; one or more second repeat units selected from the group consisting of b1) repeat units derived from aromatic vinyl monomers, b2) repeat units derived from alkyl (meth)acrylate monomers, b3) repeat units derived from (meth)acryl amide monomers, b4) repeat units derived from nitrile based monomers, and b5) repeat units derived from unsaturated carbonic acid monomers; and c1) third repeat units derived from monomers represented by the following Chemical Formula 1: wherein R1 is hydrogen, or a C1-10 alkyl group, X is hydrogen or a methyl group, Y is oxygen atom, or —NR2-, R2 is hydrogen, or a C1-10 alkyl group, and Z is a C1-10 alkyl group.
    Type: Application
    Filed: October 21, 2019
    Publication date: October 7, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Min Ah Kang, Dong Jo Ryu, Seon Hee Han, Jung Sup Han, Jeong Man Son, Cheolhoon Choi
  • Publication number: 20210226219
    Abstract: Provided are an electrode for a secondary battery, a manufacturing method thereof, and a secondary battery including the same. Specifically, according to one embodiment of the present invention, there is provided an electrode for a secondary battery, the electrode including two kinds of binders of which particle diameters are different from each other and distributions in an electrode mixture layer are different from each other.
    Type: Application
    Filed: January 16, 2020
    Publication date: July 22, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jeong Man Son, Dong Jo Ryu, Seon Hee Han, Jung Sup Han, Min Ah Kang, Cheolhoon Choi
  • Publication number: 20210036326
    Abstract: Provided are a binder composition for a secondary battery and an electrode mixture including the same. More particularly, provided are a binder composition for a secondary battery, the binder composition having excellent characteristics of binding strength, mechanical properties, etc., while maintaining structural stability of an electrode even after repeated charge/discharge cycles, thereby improving performances of a secondary battery, and an electrode mixture including the same.
    Type: Application
    Filed: November 1, 2019
    Publication date: February 4, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jung Sup Han, Dong Jo Ryu, Seon Hee Han, Jeong Man Son, Min Ah Kang, Cheolhoon Choi
  • Patent number: 10884292
    Abstract: An exemplary embodiment of the present disclosure provides a display device including a first substrate including a plurality of unit regions, a unit electrode portion disposed on the first substrate in one unit region, an opposed electrode facing the unit electrode portion, a liquid crystal layer interposed between the unit electrode portion and the opposed electrode, and a protrusion interposed between the first substrate and the liquid crystal layer and protruded toward the liquid crystal layer. The protrusion includes a pair of horizontal portions facing each other and including a side parallel to a first direction, a pair of vertical portions facing each other and including a side parallel to a second direction different from the first direction, and at least one corner portion including a first oblique side parallel to a direction oblique with respect to the first and second directions.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: January 5, 2021
    Inventors: Jeong Man Son, Min Wook Park, Jong-Keun Kim, Sang-Je Lee
  • Publication number: 20200411872
    Abstract: Provided are a binder composition for a secondary battery electrode, and an electrode mixture including the same, and more particularly, a binder composition for a secondary battery electrode capable of providing excellent binding strength for an active material and an electrode while having excellent latex stability, thereby improving performance of a secondary battery, and an electrode mixture including the same.
    Type: Application
    Filed: November 1, 2019
    Publication date: December 31, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Seon Hee Han, Min Ah Kang, Dong Jo Ryu, Jung Sup Han, Jeong Man Son, Cheolhoon Choi
  • Patent number: 10847765
    Abstract: The present disclosure discloses a cell module assembly receiving structure including: a cell module assembly comprising a plurality of cells; and a receiving device having an inner space capable of receiving the cell module assembly, wherein the receiving device includes a first partition wall disposed to extend from a first wall in a direction toward a second wall facing the first wall and a second partition wall disposed to extend from the second wall in a direction toward the first wall, wherein a sum of an extension length of the first partition wall and an extension length of the second partition wall is greater than or equal to a distance between the first wall and the second wall.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: November 24, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jeong-Man Son, Kwang-Il Kim, Do-Gyun Kim, Tae-Wook Kim, Jun-Hee Lee
  • Publication number: 20190353965
    Abstract: An exemplary embodiment of the present disclosure provides a display device including a first substrate including a plurality of unit regions, a unit electrode portion disposed on the first substrate in one unit region, an opposed electrode facing the unit electrode portion, a liquid crystal layer interposed between the unit electrode portion and the opposed electrode, and a protrusion interposed between the first substrate and the liquid crystal layer and protruded toward the liquid crystal layer. The protrusion includes a pair of horizontal portions facing each other and including a side parallel to a first direction, a pair of vertical portions facing each other and including a side parallel to a second direction different from the first direction, and at least one corner portion including a first oblique side parallel to a direction oblique with respect to the first and second directions.
    Type: Application
    Filed: July 29, 2019
    Publication date: November 21, 2019
    Inventors: Jeong Man SON, Min Wook PARK, Jong-Keun KIM, Sang-Je LEE
  • Patent number: 10401688
    Abstract: An exemplary embodiment of the present disclosure provides a display device including a first substrate including a plurality of unit regions, a unit electrode portion disposed on the first substrate in one unit region, an opposed electrode facing the unit electrode portion, a liquid crystal layer interposed between the unit electrode portion and the opposed electrode, and a protrusion interposed between the first substrate and the liquid crystal layer and protruded toward the liquid crystal layer. The protrusion includes a pair of horizontal portions facing each other and including a side parallel to a first direction, a pair of vertical portions facing each other and including a side parallel to a second direction different from the first direction, and at least one corner portion including a first oblique side parallel to a direction oblique with respect to the first and second directions.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: September 3, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeong Man Son, Min Wook Park, Jong-Keun Kim, Sang-Je Lee
  • Patent number: 10381622
    Abstract: A battery pack which may secure safety when fire or gas occurs therein or when an external impact is applied thereto is provided. The battery pack includes: a cell assembly including a plurality of secondary batteries; and a pack case including a bottom part having a plate shape and located under the cell assembly, and a side wall part protruding from the bottom part to a preset height, the pack case accommodating the cell assembly in an inner space defined by the bottom part and the side wall part, wherein the side wall part of the pack case includes a hollow in a direction at least partially perpendicular to a thickness direction of the side wall part, and the hollow includes an inwardly open inlet and an outwardly open outlet.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: August 13, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Tae-Wook Kim, Kwang-Il Kim, Jeong-Man Son, Jun-Hee Lee
  • Patent number: 10371987
    Abstract: A liquid crystal display includes a first panel which includes a first electrode including a first protrusion and a first alignment layer disposed on the first electrode, a second panel which is disposed to face the first panel, and which includes a second electrode including a second protrusion disposed in a region corresponding to the first protrusion and a second alignment layer disposed on the second electrode, and a liquid crystal layer which is disposed between the first panel and the second panel, where the first protrusion and the second protrusion vertically face each other.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: August 6, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeong Man Son, Min Wook Park, Deok Ho Kang, Dong Hee Ye, Jin Young Lee