Patents by Inventor Chang Hong

Chang Hong 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: 20250202058
    Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator, and include a separator for a rechargeable lithium battery including a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent and a filler, the binder includes a (meth)acryl-based binder including a structural unit derived from (meth)acrylate or (meth)acrylic acid, a cyano group-containing structural unit, and a sulfonate group-containing structural unit, the cross-linking agent includes an aziridine-based cross-linking agent, and the filler is surface-modified and has a particle diameter D100 of about 1.5 ?m or less.
    Type: Application
    Filed: December 13, 2024
    Publication date: June 19, 2025
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Sam Jin PARK, Chang Hong KO, Min Jeong LEE, Eon Mi LEE, Soo Hee KIM, Jin Weon SEO, Yoo Bin HAN
  • Publication number: 20250202046
    Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler and an adhesive binder. The binder includes a (meth)acryl-based binder containing a structural unit derived from (meth)acrylate or (meth)acrylic acid, a cyano group-containing structural unit, and a sulfonate group-containing structural unit. The cross-linking agent includes an aziridine-based cross-linking agent. The filler has a particle diameter D100 of about 1.0 m or less. The adhesive binder includes a cross-linked (meth)acryl-based adhesive binder.
    Type: Application
    Filed: December 10, 2024
    Publication date: June 19, 2025
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Eon Mi LEE, Chang Hong KO, Sam Jin PARK, Soo Hee KIM, Min Jeong LEE, Jin Weon SEO, Yoo Bin HAN
  • Publication number: 20250202047
    Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator, and include a separator for a rechargeable lithium battery including a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent; and a filler. The binder includes a (meth)acryl-based binder containing a structural unit derived from (meth)acrylamide or (meth)acrylic acid, a cyano group-containing structural unit, and a sulfonate group-containing structural unit. The cross-linking agent includes an aziridine-based cross-linking agent, and the filler has a particle diameter D100 of about 1.0 ?m or less.
    Type: Application
    Filed: December 13, 2024
    Publication date: June 19, 2025
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Sam Jin PARK, Chang Hong KO, Min Jeong LEE, Eon Mi LEE, Soo Hee KIM, Jin Weon SEO, Yoo Bin HAN
  • Publication number: 20250174826
    Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a separator for a rechargeable lithium battery including a porous base and a coating layer located on at least one surface of the porous base. The coating layer includes a cross-linked product of a composition containing a binder and a cross-linking agent and a filler, the binder includes a (meth)acryl-based binder containing a first structural unit derived from (meth)acrylamide and a second structural unit containing a heterocyclic ketone group. The cross-linking agent includes an aziridine-based cross-linking agent, and the filler has a particle diameter D100 of about 1.0 ?m or less.
    Type: Application
    Filed: November 27, 2024
    Publication date: May 29, 2025
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jin Weon SEO, Chang Hong KO, Soo Hee KIM, Sam Jin PARK, Min Jeong LEE, Jung Yoon LEE, Yoo Bin HAN, Eon Mi LEE
  • Publication number: 20250174827
    Abstract: Examples of the present disclosure include a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the. An example separator for a rechargeable lithium battery includes a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler, and an adhesive binder. The adhesive binder includes a (meth)acryl-based binder containing a first structural unit derived from (meth)acrylamide and a heterocyclic ketone group-containing second structural unit, the cross-linking agent includes an aziridine-based cross-linking agent, the filler has a particle diameter D100 of about 1.0 ?m or less, and the adhesive binder includes a cross-linked (meth)acryl-based adhesive binder.
    Type: Application
    Filed: November 27, 2024
    Publication date: May 29, 2025
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jin Weon SEO, Chang Hong KO, Sam Jin PARK, Soo Hee KIM, Eon Mi LEE, Min Jeong LEE, Yoo Bin HAN, Jung Yoon LEE
  • Publication number: 20250167397
    Abstract: The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a porous substrate, and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler, and an adhesive binder that includes a (meth)acryl-based binder containing a first structural unit and a second structural unit, the cross-linking agent includes an aziridine-based cross-linking agent, the filler has a particle diameter D100 of 1.0 ?m or less, and the adhesive binder includes a first structural unit derived from a vinyl aromatic-based monomer, a second structural unit derived from an alkyl (meth)acrylate, and a third structural unit derived from a phosphonate-based monomer.
    Type: Application
    Filed: November 22, 2024
    Publication date: May 22, 2025
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Min Jeong LEE, Chang Hong KO, Sam Jin PARK, Soo Hee KIM, Jin Weon SEO, Yoo Bin HAN, Eon Mi LEE
  • Publication number: 20250158224
    Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate, and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a composition containing a binder and a cross-linking agent and a filler, the binder includes a (meth)acryl-based binder containing a first structural unit derived from (meth)acrylamide, and a second structural unit including at least one of a structural unit derived from (meth)acrylic acid, (meth)acrylate, and a structural unit derived from (meth)acrylamido sulfonic acid. The cross-linking agent includes an aziridine-based cross-linking agent in an amount ranging from about 5 wt % to about 50 wt % with respect to the (meth)acryl-based binder, and the filler has a particle diameter D100 of about 0.7 ?m or less.
    Type: Application
    Filed: November 13, 2024
    Publication date: May 15, 2025
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Soo Hee KIM, Jung Yoon LEE, Jin Weon SEO, Eon Mi LEE, Sam Jin PARK, Min Jeong LEE, Yoo Bin HAN, Chang Hong KO
  • Publication number: 20250158101
    Abstract: Embodiments of this application provide a clamping assembly, a conveying mechanism, and a device for assembling a battery cell. The clamping assembly includes: two clamping modules apart from each other in a first direction, where a material is located between the two clamping modules; and a moving module linked to the two clamping modules. The two clamping modules are configured to: when the moving module moves along a second direction, move along the first direction away from each other to release the material or move along the first direction approaching each other to clamp the material, the second direction being different from the first direction. The clamping assembly, the conveying mechanism, and the device for assembling a battery cell in the embodiments of this application can improve the conveying and processing efficiency of the material.
    Type: Application
    Filed: January 15, 2025
    Publication date: May 15, 2025
    Inventors: Zhijian Zheng, Yuan Peng, Xiang Fan, Gang Lin, Yuqun Zhou, Chang Hong, Wenqing Nie
  • Patent number: 12284758
    Abstract: A printed circuit board includes: an insulating layer; first and second pads respectively disposed on an upper surface of the insulating layer; and a solder resist layer disposed on the upper surface of the insulating layer, and having first and second openings at least partially exposing the first and second pads, respectively, wherein the solder resist layer contacts a side surface of the first pad, and the solder resist layer is spaced apart from the second pad.
    Type: Grant
    Filed: February 24, 2023
    Date of Patent: April 22, 2025
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Kyun Bae, Hwan Su Yoo, Suk Chang Hong
  • Publication number: 20250081081
    Abstract: An apparatus and system of providing multi-path transmissions are described. A user equipment (UE) sends a Multi-path Policy Provisioning Request in a UE Policy Container to a policy control function (PCF). The PCF provisions a UE route selection policy (URSP) to the UE including a Multi-Path preference in an Access Type preference or multi-path parameter of a Route Selection Descriptor of a URSP rule. The Multi-Path preference indicates a preferred path over a Uu interface and Layer-2 or Layer-3 UE-to-Network Relay. The UE determines packet data unit (PDU) establishment additionally based on path availability, as well as ProSe Layer-3 UE-to-Network Relay Offload indication and ProSe Policy. The Multi-path Policy Provisioning Request is earned in a Registration Request message or UE Policy Provisioning Request message.
    Type: Application
    Filed: March 9, 2023
    Publication date: March 6, 2025
    Inventor: Chang Hong Shan
  • Patent number: 12211816
    Abstract: A printed circuit board includes: a first insulating layer; a first cavity disposed in one surface of the first insulating layer; a plurality of protrusion portions spaced apart from each other in the first cavity; and a first wiring layer embedded in the one surface of the first insulating layer.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Kuk Ko, Sang Hoon Kim, Suk Chang Hong, Chi Won Hwang, Gyu Mook Kim
  • Patent number: 12213251
    Abstract: A printed circuit board includes: an insulating layer; a plurality of pads disposed on the insulating layer; and a plurality of insulating walls disposed on the insulating layer, and at least partially covering side surfaces of the plurality of pads, respectively, while being free from surfaces of the plurality of pads, respectively. The plurality of insulating walls are disposed to be spaced apart from each other on the insulating layer.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Hoon Kim, Young Kuk Ko, Gyu Mook Kim, Hea Sung Kim, Chi Won Hwang, Suk Chang Hong
  • Publication number: 20240429430
    Abstract: An embodiment of this application provides a device and method for assembling a battery cell. The device includes: a conveyance mechanism, configured to fix an electrode assembly and convey the electrode assembly to a coating station; a coating mechanism, configured to coat at least a part of an outer surface of the electrode assembly with an insulation layer at the coating station, where the conveyance mechanism is further configured to: convey the electrode assembly coated with the insulation layer to an encasing station; and an encasing mechanism, configured to fit, at the encasing station, a housing peripherally onto the electrode assembly coated with the insulation layer. The device and method for assembling a battery cell disclosed herein can improve the assembling efficiency of battery cells.
    Type: Application
    Filed: September 9, 2024
    Publication date: December 26, 2024
    Inventors: Zhijian Zheng, Xiang Fan, Gang Lin, Yuan Peng, Chang Hong, Wenqing Nie, Yuqun Zhou
  • Publication number: 20240417280
    Abstract: The present invention relates to water treatment equipment for allowing contaminated water, having flowed into the center of a filtration tank, to radially pass therethrough, thereby filtering same, the water treatment equipment comprising: a guide part for guiding contaminated water to the inner center of the filtration tank; a tubular filter part arranged on the guide part; a discharge pipe part for discharging, during washing, pollutants such as sludge, which are stripped from the tubular filter part, and washing water to the outside of the system; and a filter washing part for spraying, at the tubular filter part, washing water for backwash.
    Type: Application
    Filed: July 22, 2022
    Publication date: December 19, 2024
    Inventor: Bong Chang Hong
  • Patent number: 12132222
    Abstract: A battery pack includes: a lower case and an upper case; and an annular gasket formed between the lower case and the upper case to seal between the cases, wherein the gasket includes first and second sealing parts connected to each other, and wherein a melting point of the second sealing part is lower than the melting point of the first sealing part.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: October 29, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Hyongseok Yoo, Soon Chang Hong
  • Publication number: 20240353361
    Abstract: A battery pack includes a battery, a first temperature sensor configured to provide a first temperature value associated with a temperature of the battery, a heat source disposed proximate to the battery and configured to heat the battery, a second temperature sensor configured to provide a second temperature value associated with a temperature of the heat source, and a control board coupled to the first temperature sensor and the second temperature sensor, wherein the control board is configured to receive the first temperature value and the second temperature value. The control board is configured to compare the first temperature value and the second temperature value to determine a temperature gradient between the battery and the heat source and transmit an alert if the temperature gradient exceeds a first temperature gradient threshold.
    Type: Application
    Filed: June 28, 2024
    Publication date: October 24, 2024
    Applicant: Google LLC
    Inventors: David Wang, Arun Raghupathy, James Robert Lim, Ihab A. Ali, Chang Hong Ye
  • Publication number: 20240356357
    Abstract: The present document describes techniques for extending battery life after long-term and high-temperature storage. These techniques delay charging of a battery to detect battery conditions and determine whether the battery was exposed to high temperatures while in an idle or low-power state for a long period of time. These techniques include a methodology to relax and refresh an anode surface of the battery, after high-temperature storage, through distinct and tailored discharges prior to beginning a normal charge profile. These techniques can be applied to a wide range of chemistry platforms, which may have kinetic (Li-ion) limitations, to extend the longevity of the battery by reducing lithium plating and capacity degradation caused by long-term, high-temperature storage.
    Type: Application
    Filed: October 26, 2022
    Publication date: October 24, 2024
    Applicant: Google LLC
    Inventors: James Robert Lim, Chang Hong Ye, David Wang, Yuandan Li
  • Patent number: 12103998
    Abstract: Provided is a method of preparing a diene-based rubber polymer, which includes: adding each of a diene-based monomer, a molecular-weight regulator, an initiator, and an emulsifier to a reactor a first time and carrying out polymerization; adding a molecular-weight regulator to the reactor a second time when a polymerization conversion rate of 48 to 72% is reached and carrying out polymerization; adding a diene-based monomer to the reactor a second time when a polymerization conversion rate of 63 to 77% is reached and carrying out polymerization; adding each of an initiator and an emulsifier to the reactor a second time when a polymerization conversion rate of 68 to 81% is reached and carrying out polymerization; and adding each of an initiator and an emulsifier to the reactor a third time when a polymerization conversion rate of 85 to 91% is reached and carrying out polymerization.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: October 1, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Chang Hong Bak, Jae Min Suk, Jin Hyoung Lee, Jae Won Heo, Young Min Kim
  • Publication number: 20240276643
    Abstract: The present disclosure relates to a printed circuit board and a method of manufacturing the same. The printed circuit board includes: an insulating layer; a plurality of pads disposed on the insulating layer; and a plurality of insulating walls that are disposed on the insulating layer and cover side surfaces of the plurality of pads, respectively, but are not disposed on upper surfaces of the plurality of pads. The plurality of insulating walls are disposed to be spaced apart from each other on the first insulating layer.
    Type: Application
    Filed: April 23, 2024
    Publication date: August 15, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Hoon KIM, Young Kuk KO, Gyu Mook KIM, Hea Sung KIM, Chi Won HWANG, Suk Chang HONG
  • Publication number: 20240266301
    Abstract: An apparatus, includes a PCB, a semiconductor package that includes a substrate and a stiffener with an opening, and at least one connection component. The stiffener is disposed on a top surface of the PCB. The at least one connection component is configured to connect the PCB to the semiconductor package. The at least one connection component may include another PCB that is disposed on the substrate within the opening of the stiffener and on the PCB. The at least one connection component may include an array of connectors that are disposed on the substrate within the opening of the stiffener, and may include a socket disposed on the PCB. The at least one connection component may include a BGA that is disposed on the substrate within the opening of the stiffener and on the PCB and on a pedestal portion of a surface of the PCB.
    Type: Application
    Filed: February 7, 2023
    Publication date: August 8, 2024
    Inventors: Gautam GANGULY, Valery KUGEL, Omar AHMED, Leif HUTCHINSON, Peng SU, Matthew TWAROG, Attila I. ARANYOSI, David K. OWEN, Chang-Hong WU, Aliaskar HASSANZADEH, Boris REYNOV, Muhammad SAGARWALA