Patents by Inventor Jin Kyu Lee

Jin Kyu Lee 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: 9929385
    Abstract: Disclosed herein is a battery module having a plurality of plate-shaped battery cells, each of which has electrode terminals respectively formed at the upper end and the lower end thereof, the battery module including two or more battery cells, a buffering member disposed at the interface between the battery cells to restrain movement of the battery cells and to buffer volume change of the battery cells during charge and discharge of the battery cells, and a pair of module housings coupled to entirely cover the outside of a stack of the battery cells excluding the electrode terminals of the battery cells, each of the module housings being formed of a sheet.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: March 27, 2018
    Assignee: LG CHEM, LTD.
    Inventors: SangYoon Jeong, Jin Kyu Lee, Jong Moon Yoon, JunSeok Choi
  • Patent number: 9923848
    Abstract: Methods and apparatus are provided for processing a message in an electronic device. A first message application is executed, which displays a first message and a second message in a combined message display window of an interlocutor. A second message application is executed, which provides the second message to the first message application while the first message application is executed. The first message is received and/or transmitted through the first message application, and the second message is received and/or transmitted through the second message application. The first message application and the second message application have different message reception and transmission techniques.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: March 20, 2018
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Kee-Hwan Seol, Bhanu Prakash Anche, Yong-Seok Park, Sung-Hyuk Lee, Jin-Kyu Lee, Hyo-Jin Jung, Sang-Ho Chae
  • Patent number: 9887413
    Abstract: A battery pack includes a plurality of battery modules, each having at least one unit cell, a case for accommodating the unit cell and a bus bar electrically connected to the unit cell, and a connecting bar for connecting battery modules adjacent to each other among the plurality of battery modules, wherein at least one of the connecting bars includes a first metal plate, a second metal plate spaced apart from the first metal plate, and a metal bridge configured to connect the first metal plate and the second metal plate and having a lower melting point than the metal plate. In this configuration, if an overcurrent flows at the battery pack, the connecting bar is easily broken, thereby ensuring safety of the battery pack in use.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: February 6, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jun-Seok Choi, Tae-Hwan Roh, Jin-Kyu Lee, Seong-Tae Kim, Tae-Hyuck Kim, Jung-Hoon Yang, Seung-Don Choi, Dal-Mo Kang, Dong-Yeon Kim
  • Patent number: 9808540
    Abstract: The present invention relates to a contrast agent for nuclear magnetic resonance imaging, and more particularly, to a contrast agent for nuclear magnetic resonance imaging containing melanin nanoparticles having a uniform shape and size, thereby providing good dispersibility in water, no cell toxicity, and a long retention time in vivo.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: November 7, 2017
    Assignee: Melanis Co., Ltd.
    Inventors: Jin Kyu Lee, Kuk Youn Ju, Jung Hee Lee
  • Publication number: 20170309869
    Abstract: A battery module having a plurality of battery cells electrically connected to each other is disclosed.
    Type: Application
    Filed: September 20, 2016
    Publication date: October 26, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Gwan Woo KIM, Hyo Chan KIM, Jin Kyu LEE, Sang Wook YIM
  • Publication number: 20170309980
    Abstract: Disclosed herein is a battery pack case configured to receive a battery module assembly including a plurality of battery modules, each having a plurality of battery cells or unit modules mounted therein, sequentially stacked, wherein a coolant inlet port and a coolant outlet port are located at the upper part and the lower part of the battery pack case, respectively, in a state in which the coolant inlet port and the coolant outlet port are opposite to each other such that a coolant for cooling the unit modules flows from one side of the battery modules to the opposite side of the battery modules in a direction perpendicular to a direction in which the unit modules are stacked, and an inclined plate for guiding the flow of the coolant is provided between the battery pack case and the battery modules.
    Type: Application
    Filed: September 22, 2015
    Publication date: October 26, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Soon Chang HONG, Jinhong PARK, Hyoungsuk LEE, Bohyon KIM, Jin Kyu LEE
  • Publication number: 20170288257
    Abstract: Disclosed are an electrolyte for lithium secondary batteries including 10 to 50% by weight of a cyclic carbonate compound, and 50 to 90% by weight of a linear ester compound, based on the total weight of a non-aqueous solvent, wherein a content of ethyl propionate of the linear ester compound is 20 to 60% by weight, based on the total weight of the non-aqueous solvent, and a lithium secondary battery including the electrolyte and exhibiting superior low-temperature characteristics.
    Type: Application
    Filed: December 2, 2015
    Publication date: October 5, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Eun Hye KIL, Jin Kyu LEE, Ki Tae KIM, Hyung Ku YUN, Hyeaeun HAN
  • Patent number: 9768473
    Abstract: Disclosed is a battery pack configured such that a plurality of battery modules is connected to each other in series in a state in which the modules are in contact with each other or stacked adjacent to each other, the pack being fixed such that a stacked state of the modules is maintained even when volume of the modules is changed during charge and discharge, the pack including a cut-off portion connected in series to an electrical connection circuit between modules, a fixing member to fix a circuit breaker to at least one outer surface of the pack, and the breaker configured to be electrically conducted when an outer surface of at least one module expands by a reference volume value or more, the breaker being connected in series to the electrical connection circuit to short-circuit the cut-off portion when electric conduction is performed due to swelling of the modules.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: September 19, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Tae Hwan Roh, Jin Kyu Lee, Jun Seok Choi, Seong Tae Kim, Tae Hyuck Kim, Dongyeon Kim
  • Patent number: 9761911
    Abstract: Disclosed herein is a battery pack including a power supply unit including two or more battery cells or battery modules electrically connected to each other, at least one pressure driven switch configured to cause a short circuit in a portion or the entirety of the battery pack upon detecting expansion in volume of the battery cells or the battery modules when the power supply unit malfunctions, a cut-off portion located at at least one series connection region between the battery cells or the battery modules to interrupt electrical connection in the battery pack when the short circuit occurs in the battery pack, and external input and output terminals connected to electrode terminals located at outermost sides of the power supply unit to supply power to an external device.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: September 12, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jin Kyu Lee, Dalmo Kang, Junseok Choi, Seongtae Kim, Taehyuck Kim, Taehwan Roh
  • Patent number: 9725560
    Abstract: The present invention relates to a catalyst for reductive amination-reaction, and uses thereof. The catalyst according to the present invention can show a high amine conversion rate because it can maintain catalytic activity even in the presence of moisture particularly while basically maintaining the balance of dehydrogenation and hydrogenation reactions. Accordingly, the catalyst can be usefully used for preparing a polyetheramine compound through a reductive amination-reaction not only in a continuous preparation process but also in a batch preparation process, irrespective of the existence of moisture.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: August 8, 2017
    Assignee: LOTTE CHEMICAL CORPORATION
    Inventors: Kyung Jun Kim, Chun-Sik Byun, Jin Kyu Lee, Jong Cheol Yoo, Young Jong Seo
  • Publication number: 20170200925
    Abstract: Disclosed herein are a battery module and a battery pack. The battery module, having a plurality of battery cells, includes a unit module stack configured to have a structure in which a plurality of unit modules, each of which has a structure in which the battery cells are mounted to a cartridge, are stacked in a vertical direction on the basis of a ground, an upper end plate and a lower end plate for supporting an upper end and a lower end of the unit module stack, respectively, the upper end plate being provided with first fastening holes, the lower end plate being provided with second fastening holes, and a module housing provided with third fastening holes communicating with the second fastening holes, wherein first fastening members and second fastening members are inserted and fastened into the first fastening holes, the second fastening holes, and the third fastening holes.
    Type: Application
    Filed: May 28, 2015
    Publication date: July 13, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Jaihyun SEO, Seong Tae KIM, Jin Kyu LEE
  • Publication number: 20170194681
    Abstract: Disclosed herein is a battery module including a battery cell assembly having two or more battery cells laterally arranged such that the battery cells tightly contact each other or are adjacent to each other, a front plate and a rear plate fixed to outermost battery cells of the battery cell assembly such that the front plate and the rear plate surround the outermost battery cells of the battery cell assembly, an electrically insulative cover member mounted at an upper end of the battery cell assembly, the cover member being provided with through holes, through which electrode terminals of the battery cells extend, conductive connection parts arranged in a state in which the conductive connection parts are mounted at the cover member, the conductive connection parts being connected to the electrode terminals of the battery cells for detecting voltages of the battery cells while achieving electrical connection between the battery cells, cooling members interposed between the battery cells, each of the cooling
    Type: Application
    Filed: May 18, 2015
    Publication date: July 6, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Tae Hyuck KIM, Tae Hwan ROH, Yoonhee LEE, Jin Kyu LEE, Junhee JUNG
  • Publication number: 20170125752
    Abstract: Disclosed herein is a battery module including a battery cell assembly constituted by at least two battery cells, a front plate and a rear plate fixed to the battery cell assembly such that the front plate and the rear plate cover outermost ones of the battery cells, an electrically insulative cover member mounted at an upper end of the battery cell assembly, the electrically insulative cover member being provided with through holes, through which electrode terminals of the battery cells extend, a PCB mounted on a bottom of the cover member, a plurality of conductive connection parts arranged on the cover member, the conductive connection parts being connected to the electrode terminals of the battery cells and the PCB, and a lower molding part located on the PCB at the bottom of the cover member, the lower molding part covering the connection between the PCB and the conductive connection parts.
    Type: Application
    Filed: April 20, 2015
    Publication date: May 4, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Tae Hyuck KIM, Tae Hwan ROH, Yoonhee LEE, Jin Kyu LEE, Junhee JUNG
  • Patent number: 9627664
    Abstract: Disclosed is a battery module including a base plate on which unit modules, each with two or more secondary batteries therein, are stacked in a vertically erected state, a pair of end plates disposed in tight contact with outer surfaces of outermost unit modules while bottoms of the end plates are fixed to the base plate, and supporting bars connected between opposite sides of upper or side parts of the end plates so as to support the end plates, wherein each of the end plates includes a main body contacting a corresponding one of the unit modules, and a top wall, a bottom wall, and a pair of side walls protruding outward from the perimeter of the main body, the thickness of each of the side walls being increased from the top to the bottom wall, thereby dispersing pressure (bending load) from the unit modules and the supporting bars.
    Type: Grant
    Filed: August 6, 2013
    Date of Patent: April 18, 2017
    Assignee: LG CHEM, LTD.
    Inventors: YeonSeok Choo, Jin Kyu Lee, Ye Hoon Im, Kwanyong Kim
  • Patent number: 9614196
    Abstract: Disclosed herein is a battery pack including (a) a module assembly including two or more battery modules, each of which includes a chargeable and dischargeable battery cell, the battery modules being stacked to have a two layer structure including an upper layer and a lower layer while being in contact with each other in a lateral direction, (b) a first upper layer connection member and a second upper layer connection member mounted at the upper layer module assembly, (c) a first lower layer connection member and a second lower layer connection member mounted at the lower layer module assembly, (d) a pair of side support members, (e) insulation members mounted at interfaces between the sides of the upper and lower layer module assemblies and the side support members, and (f) a first lower end support member and a second lower end support member.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: April 4, 2017
    Assignee: LG CHEM, LTD.
    Inventors: BumHyun Lee, Yong Shik Shin, Jin Kyu Lee, DalMo Kang
  • Patent number: 9608244
    Abstract: Disclosed herein is a battery module including (a) a battery cell stack including two or more battery cells or unit modules electrically connected to each other in a state in which the battery cells or unit modules are vertically stacked, (b) a first housing to cover the entirety of the end of one side of the battery cell stack and portions of the top and bottom of the battery cell stack and (c) a second housing to cover the entirety of the end of the other side of the battery cell stack and the remainder of the top and bottom of the battery cell stack, wherein the first housing and the second housing are provided with coupling holes formed to couple the first housing and the second housing to each other, the coupling holes being horizontal coupling holes, through which coupling members can be inserted in the lateral direction.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: March 28, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Yong Shik Shin, Jong Moon Yoon, JaeHun Yang, Jin Kyu Lee, BumHyun Lee, DalMo Kang
  • Publication number: 20170084892
    Abstract: Disclosed herein is a battery pack configured to have a structure in which two or more battery modules, each of which includes a plurality of battery cells or unit modules which can be charged and discharged, are arranged such that the battery modules are mounted in a space defined between a pack housing and a base plate, the battery pack including the base plate on which the arranged battery modules are loaded, a sensing assembly mounted at upper ends of the battery modules for detecting voltage of the battery modules, a pair of tension bars mounted at the upper ends of the battery modules in a direction in which the battery modules are arranged for supporting the battery modules, a battery management system (BMS) mounted at an outside of an outermost one of the battery modules in a state in which the BMS is adjacent to the outermost one of the battery modules, the pack housing for surrounding the battery modules and the BMS, a lower end of the pack housing being coupled to the base plate, and a spacer dispo
    Type: Application
    Filed: May 12, 2015
    Publication date: March 23, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Yoonhee LEE, Tae Hyuck KIM, Tae Hwan ROH, Jin Kyu LEE, Junhee JUNG
  • Publication number: 20170062879
    Abstract: Disclosed herein is A battery pack comprising: a pack housing; a base plate; at least two battery modules arranged such that the battery modules are located in a space defined between the pack housing and the base plate, each battery module including a plurality of battery cells or unit modules which can be charged and discharged; a first wall located at a first side of the base plate; a second wall located at a second side of the base plate; an external input terminal and an external output terminal are located at both of the first wall and the second wall, the battery modules being connected to the external input and output terminals in a state in which the battery modules are electrically connected in series or in parallel to each other; and a capacitor is present at the first or second wall adjacent to a corresponding one of the external input and output terminals, the capacitor being electrically connected to said corresponding one of the external input and output terminals.
    Type: Application
    Filed: May 8, 2015
    Publication date: March 2, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Tae Hwan ROH, Tae Hyuck KIM, Yoonhee LEE, Jin Kyu LEE, Junhee JUNG
  • Patent number: 9577240
    Abstract: Disclosed is a battery module capable of ensuring safety in use by breaking a bus bar when an overcurrent flows at the battery module. The battery module includes at least one unit cell, a case for accommodating the unit cell, and a bus bar electrically connected to the unit cell, wherein the bus bar includes a first metal plate, a second metal plate spaced apart from the first metal plate, and a metal bridge configured to connect the first metal plate and the second metal plate and having a lower melting point than the metal plate.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: February 21, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jun-Seok Choi, Jin-Kyu Lee, Tae-Hwan Roh, Seung-Don Choi, Seong-Tae Kim, Tae-Hyuck Kim, Jung-Hoon Yang, Min-Chul Jang, In-Cheol Shin, Dal-Mo Kang
  • Publication number: 20170047563
    Abstract: Disclosed herein is a battery pack including a battery module assembly configured to have a structure in which two or more battery modules, each of which includes battery cells arranged in an upright state such that electrode terminals of the battery cells are directed upward, are arranged such that the battery modules are adjacent to each other, and outward protrusions are formed at a lower end of one side or lower ends of opposite sides of each of the battery modules, a base plate, on a top of which the battery module assembly is loaded, and a hold down bracket having one side region covering the outward protrusions of the battery modules and the other side region coupled to the base plate so as to correctly fix the respective battery modules of the battery module assembly to the base plate.
    Type: Application
    Filed: April 30, 2015
    Publication date: February 16, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Yoonhee LEE, Tae Hyuck KIM, Tae Hwan ROH, Jin Kyu LEE, Junhee JUNG