Patents Assigned to Samsung SDI, Co., Ltd.
  • Patent number: 12107297
    Abstract: This application relates to a coating layer composition and a coating layer formed using the coating layer composition. The coating layer composition includes a heat-resistant binder, a hydroxy group-containing polyimide particle, a silane cross-linking agent, and a solvent. The hydroxy group-containing polyimide particle and the functional group-containing silane cross-linking agent form a core-shell structured organic particle in which a core portion is derived from the hydroxy group-containing polyimide particles and a shell portion that is derived from the functional group-containing silane cross-linking agent. The shell portion is on the surface of the core portion in the core-shell structured organic particle. The application also relates to a separator for a rechargeable lithium battery and a rechargeable lithium battery including the separator having a coating layer formed using the coating layer composition.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: October 1, 2024
    Assignees: SAMSUNG SDI CO., LTD., IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Gain Kim, Yeonjoo Choi, Jayeon Gu, Yangseob Kim, Jae Hoon Kim, Sun Ju Moon, Young Moo Lee
  • Patent number: 12108657
    Abstract: A compound for an organic optoelectronic device, a composition, an organic optoelectronic device, and a display device, the compound being represented by Chemical Formula 1A or Chemical Formula 1B.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: October 1, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Wook Kim, Hyung Sun Kim, Min Seok Seo, Jiah Yoon, Hanill Lee, Sung-Hyun Jung, Ho Kuk Jung, Youngkyoung Jo
  • Patent number: 12107268
    Abstract: This application relates to a composite positive electrode active material for a lithium secondary battery. The composite positive electrode active material includes a nickel-based active material and a cobalt-boron compound-containing coating layer formed on a surface of the nickel-based active material. The application also relates to a method of preparation of the composite positive electrode active material. The application further relates to a lithium secondary battery including a positive electrode containing the composite positive electrode active material.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: October 1, 2024
    Assignees: SAMSUNG SDI CO., LTD., UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Kwanghwan Cho, Moonsu Yoon, Jaephil Cho
  • Patent number: 12107267
    Abstract: A negative active material composite includes a core and a coating layer around (surrounding) the core. The core includes amorphous carbon and silicon nanoparticles, the coating layer includes amorphous carbon, and an adjacent distance between the silicon nanoparticles is less than or equal to about 100 nm.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: October 1, 2024
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Changsu Shin, Young-Min Kim, Soonho Ahn, Jaehou Nah, Jaemyung Kim
  • Patent number: 12107248
    Abstract: An interface system for mechanically decoupling a cooling system includes: a housing having an opening; an inset having opposite first and second sides; an interface body having first and second ends and a bore-hole open to the first and second ends thereof. The inset has a recess in the second side to accommodate the interface body. The interface body is at least partially inserted into the inset, and the inset is at least partially inserted into the opening in the housing such that the first side of the inset is inside the housing. The first side of the inset has an opening open to the bore-hole of the interface body. One end of the bore-hole is configured to slidably receive an inlet of a cooling pipe, and the other end of the bore-hole is configured to be connected, in a fluid-tight manner, with an external coolant supply or coolant discharge.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: October 1, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventor: Helmut Rath
  • Patent number: 12105154
    Abstract: A current protection system for an energy storage system includes: batteries connected in parallel; battery control units respectively connected to the batteries, and respectively having battery current measurement units; a battery connection panel connecting the battery control units to one connection point, the battery connection panel having a contact point current measurement unit; and a control unit configured to sum current values respectively measured by the battery current measurement units and a current value measured by the contact point current measurement unit, and to detect a presence of an internal short circuit based on the sum.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: October 1, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Hyung Kyu Nam, Hyun Soon Lee
  • Patent number: 12103427
    Abstract: In a method for determining the support of an energy content and a power of a battery for an electric vehicle, the method includes: measuring a voltage of the battery; comparing the voltage of the battery with a predetermined threshold voltage and determining whether or not the voltage is equal to or larger than the predetermined threshold voltage; determining an internal resistance of the battery; comparing the internal resistance of the battery with a predetermined threshold resistance and determining whether or not the internal resistance is equal to or less than the predetermined threshold resistance; and determining the energy content and the power of a battery of an electric vehicle is supported in response to both the voltage being equal to or larger than the predetermined threshold voltage and the internal resistance being equal to or less than the predetermined threshold resistance.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: October 1, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Alex Janek, Stefan Doczy
  • Patent number: 12098965
    Abstract: A testing method for a thermal contact between a temperature sensor and a battery cell of a battery module, includes measuring a temperature T1 of the temperature sensor at a time point t1, heating the temperature sensor for a defined time (t2?t1) and/or (t3?t1), measuring a temperature T2 of the temperature sensor at a time point t2 and/or a temperature T3 of the temperature sensor at a time point t3, and determining the thermal contact between the temperature sensor and the battery cell based on at least one of the temperature differences ?T2,1=(T2?T1), ?T3,1=(T3?T1) and ?T3,2=(T3?T2) and a heat transfer coefficient determined thereby. Also, a testing circuit for a temperature sensor of a battery module includes a thermistor with a first node connected to a first supply voltage and a second node connected to ground, a switch interconnected between the first node of the thermistor and a second supply voltage, and an analog-to-digital converter connected in parallel to the thermistor.
    Type: Grant
    Filed: June 21, 2023
    Date of Patent: September 24, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Maximilian Hofer, Helmut Hammerschmied
  • Patent number: 12098248
    Abstract: A poly(amide-imide) copolymer that is a reaction product of a diamine represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, a dicarbonyl compound represented by Chemical Formula 3, and a tetracarboxylic acid dianhydride represented by Chemical Formula 4, a composition for preparing the poly(amide-imide copolymer, and an article including the copolymer, e.g., a film are provided: wherein, in Chemical Formulae 1 to 4, Ra, L1, L2, n1, A, R3, X, R10, R12, R13, n7 and n8 are the same as defined in the specification.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: September 24, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Jungha Chae, Kyeong-sik Ju
  • Patent number: 12095039
    Abstract: An all-solid secondary battery includes a cathode; an anode including natural graphite; and a solid electrolyte layer between the cathode and the anode, wherein the natural graphite has an average particle diameter (D50) in a range of greater than about 10 ?m to about 20 ?m or less and includes an amorphous carbon coating layer.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: September 17, 2024
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jinkyu Kim, Kyulin Lee, Jeonghye Lee, Byeonggyu Cho, Sangil Han
  • Patent number: 12096688
    Abstract: A composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device, the composition including a first compound represented by Chemical Formula 1, and a second compound represented by a combination of Chemical Formula 2 and Chemical Formula 3:
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: September 17, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong Min Kang, Jiyun Kwon, Byungku Kim, Junmo Park, Eunjeong Choi, Jin Sook Kim, Sangil Lee, Kipo Jang, Sung-Hyun Jung, Ho Kuk Jung, Youngkyoung Jo
  • Patent number: 12095045
    Abstract: A battery pack including a plurality of battery cells; a first case accommodating the plurality of battery cells; a protection circuit module coupled to one side of the plurality of battery cells and electrically connecting the plurality of battery cells; a bus bar electrically connected to the protection circuit module and extending in one direction along the plurality of battery cells; and a second case coupled to the first case and accommodating the plurality of battery cells, the protection circuit module, and the bus bar, wherein the bus bar includes a diverged branch formed by cutting a region of the bus bar in the one direction.
    Type: Grant
    Filed: January 6, 2023
    Date of Patent: September 17, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Hyeon Cheol Jeong, Jeong Ho Kim, Sang Gu Lee
  • Patent number: 12091553
    Abstract: A core-shell dye, a near-infrared absorbing resin composition including the same, a near-infrared absorbing film, an optical filter, and a CMOS image sensor, the core-shell dye includes a core represented by Chemical Formula 1; and a shell surrounding the core, the shell being represented by Chemical Formula 2;
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: September 17, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Insub Shin, Gyuseok Han, Euisoo Jeong, Chaehyuk Ko, Baek Soung Park
  • Patent number: 12090354
    Abstract: An energy storage module includes: a plurality of battery cells arranged in a length direction, each of the battery cells including a vent; a plurality of insulation spacers, at least one of the insulation spacers being located between long side surfaces of an adjacent pair of the battery cells; a cover member; a top plate coupled to a top portion of the cover member and including ducts respectively corresponding to the vents of the battery cells and including opening holes respectively corresponding to the insulation spacers; a top cover coupled to a top portion of the top plate and including discharge holes located in an exhaust area and respectively corresponding to the ducts; and an extinguisher sheet located between the top cover and the top plate, configured to emit a fire extinguishing agent at a temperature exceeding a certain temperature and including opening holes located to correspond to the ducts.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: September 17, 2024
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin Taek Kim, Eun Ok Kwak, Jin Bhum Yun, Jang Hoon Kim, Jong Yeol Woo, Kwang Deuk Lee, Woo Sung Choi
  • Patent number: 12096684
    Abstract: A composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device, the composition including a first compound represented by Chemical Formula 1 and a second compound represented by a combination of Chemical Formula 2 and Chemical Formula 3,
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: September 17, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Youngkyoung Jo, Namheon Lee, Kipo Jang, Sung-Hyun Jung, Ho Kuk Jung, Dong Min Kang, Jonghoon Ko, Dongyeong Kim, Byungku Kim, Mijin Lee, Byoungkwan Lee, Sangshin Lee, Eunjeong Choi
  • Patent number: 12084605
    Abstract: An adhesive film formed of an adhesive composition including a (meth)acrylic copolymer including an alkylene glycol group and a cyclic functional group while satisfying Equation 3 and Equation 4 herein, an optical member including the same, and an optical display including the same, are provided.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: September 10, 2024
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ji Ho Kim, Ji Won Kang, Il Jin Kim, Sung Hyun Mun, Kyoung Gon Park, Gwang Hwan Lee, Jin Young Lee, Jae Hyun Han
  • Patent number: 12087953
    Abstract: Various embodiments of the present invention relate to a secondary battery and aim to simplify the structure of a terminal part to minimize the space taken up by parts inside a case. To this end, provided in the present invention is a secondary battery comprising: an electrode assembly for a prismatic secondary battery; a case for a prismatic secondary battery for accommodating the electrode assembly; a cap plate coupled to the case; and a terminal part which is coupled to a side portion of the electrode assembly and is extendedly bent from the side portion to an upper portion of the electrode assembly, wherein the terminal part includes a bent part which is bent upward from an end part connected to the upper portion of the electrode assembly to protrude out of the cap plate.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: September 10, 2024
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Joong Hun Kim
  • Patent number: 12087966
    Abstract: This application relates to a separator for a rechargeable battery. The separator includes a porous substrate and a coating layer on at least one surface of the porous substrate. The coating layer includes a binder including a fluorine-based binder and a (meth)acryl-based binder, and a filler. The fluorine-based binder includes a first structural unit derived from vinylidene fluoride and a second structural unit derived from at least one monomer of hexafluoropropylene, chlorotrifluoroethylene, trifluoroethylene, ethylene tetrafluoride, and ethylene monomers, and the second structural unit is included in an amount of 10 wt % or less with respect to the fluorine-based binder. The fluorine-based binder includes a first fluorine-based binder having a weight average molecular weight of 800,000 to 1,500,000 and a second fluorine-based binder having a weight average molecular weight of less than or equal to 600,000. The (meth)acryl-based binder has pencil hardness of 5H or higher.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: September 10, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jinwoo Kim, Jihyun Chun, Daehyun Hong, Imhyuck Bae, Sangho Lee
  • Patent number: 12077669
    Abstract: Provided are an optical member and an optical display device including same, the optical member comprising: a base film; and a light transmission control layer stacked on the lower surface of the base film, wherein the light transmission control layer comprises: a dye or dye mixture including at least one of a first dye having a maximum absorption wavelength of about 540 nm to about 630 nm, a second dye having a maximum absorption wavelength of about 390 nm to about 470 nm, a third dye having a maximum absorption wavelength of about 480 nm to about 530 nm, and a fourth dye having a maximum absorption wavelength of about 640 nm to about 760 nm; and a resin having a hydroxyl value of 5 mgKOH/g or less.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: September 3, 2024
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sung Hak Choi, Jae Sun Han
  • Patent number: 12077681
    Abstract: A CMP slurry composition for polishing a tungsten pattern wafer and a method of polishing a tungsten pattern wafer, the composition comprising a solvent; an abrasive agent; and a dendritic poly(amidoamine) containing a terminal functional group that has a pKa of about 6 or less.
    Type: Grant
    Filed: March 15, 2022
    Date of Patent: September 3, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Ji Ho Lee, Young Gi Lee, Soo Yeon Sim, Hyun Woo Lee, Chang Suk Lee, Jong Won Lee