Patents Assigned to LG Chem, Ltd.
  • Publication number: 20190252679
    Abstract: Disclosed are a precursor for preparation of a lithium composite transition metal oxide, a method for preparing the same and a lithium composite transition metal oxide obtained from the same. More particularly, the transition metal precursor which has a composition represented by Formula 1 below and is prepared in an aqueous transition metal solution, mixed with a transition metal-containing salt, including an alkaline material, the method for preparing the same and the lithium composite transition metal oxide obtained from the same are disclosed. MnaMb(OH1-x)2-yAy ??(1) wherein M is at least one selected form the group consisting of Ni, Ti, Co, Al, Cu, Fe, Mg, B, Cr, Zr, Zn and Period II transition metals; A is at least one selected form the group consisting of anions of PO4, BO3, CO3, F and NO3, and 0.5?a?1.0; 0?b?0.5; a+b=1; 0<x<1.0; and 0?y?0.02.
    Type: Application
    Filed: April 25, 2019
    Publication date: August 15, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Sang Min Park, Sun Sik Shin, Byung Chun Park, Hye Lim Jeon, Bo Ram Lee
  • Publication number: 20190250465
    Abstract: A transmittance-variable film and a use thereof, where the transmittance-variable film can control pretilt of a liquid crystal interface by applying a liquid crystal alignment film containing splay oriented liquid crystal molecules, and can vertically and horizontally orient a liquid crystal layer or a liquid crystal interface according to an average tilt angle of the liquid crystal alignment film to ensure uniformity of driving and fast response speed. In addition, by applying a liquid crystal alignment film, the transmittance-variable film can be implemented in various modes with a simple coating-drying-curing method excluding the rubbing process by controlling an arrangement of liquid crystal molecules in a liquid crystal alignment film other than the pretilt control method using the conventional rubbing method.
    Type: Application
    Filed: October 18, 2017
    Publication date: August 15, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Jung Woon Kim, Su Young Ryu, Moon Soo Park, Byoung Kun Jeon, Sin Young Kim, Ji Youn Lee
  • Publication number: 20190252735
    Abstract: A battery pack management device capable of reducing power consumption while transmitting and receiving data between a master BMS and a slave BMS by using a wireless communication method. The battery pack management device according to the present disclosure includes: a master BMS including an external communicator, an internal communicator, and a master controller and a slave BMS including a power supply, a state measurement sensor, a slave wireless communicator, and a slave controller.
    Type: Application
    Filed: June 19, 2018
    Publication date: August 15, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Chang-Hyun SUNG, Jae-Dong PARK, Sang-Hoon LEE, Yean-Sik CHOI
  • Publication number: 20190248963
    Abstract: Provided are a superabsorbent polymer and a preparation method thereof. According to the present invention, a superabsorbent polymer having high centrifuge retention capacity and absorption rate may be prepared by using a specific foam stabilizer.
    Type: Application
    Filed: November 22, 2017
    Publication date: August 15, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Hyung Ki Yoon, Yeon Woo Hong, Seong Beom Heo, Dae Woo Nam, Tae Hwan Jang, Jun Kyu Kim, Bo Hyun Seong, Su Jin Kim, Seon Jung Jung, Ji Yoon Jeong
  • Publication number: 20190248984
    Abstract: The present invention relates to a plasticizer composition, a resin composition including the same, and a method of preparing the same. The plasticizer composition includes a cyclohexane 1,4-diester-based material; and an epoxidized alkyl ester-based material, wherein a weight ratio of the cyclohexane 1,4-diester-based material and the epoxidized alkyl ester-based material is 99:1 to 1:99, and the epoxidized alkyl ester-based material has an oxirane index (O.I.) of 1.5 or more. When the plasticizer composition is used as a plasticizer for a resin composition, properties such as plasticization efficiency, migration ability, tensile strength, elongation rate, migration upon stress, absorption rate, and the like may be improved.
    Type: Application
    Filed: December 11, 2017
    Publication date: August 15, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Hyun Kyu KIM, Yun Ki CHO, Jeong Ju MOON, Mi Yeon LEE, Joo Ho KIM, Seok Ho JEONG
  • Patent number: 10381628
    Abstract: Disclosed is an electrode assembly in which a plurality of electrode plates are stacked so that a separator is interposed between a positive electrode plate and a negative electrode plate, wherein each of the electrode plates includes an electrode tab protruding outwards at one side thereof for coupling with an electrode lead, wherein at least one electrode plate of the positive electrode plate and the negative electrode plate extends relatively longer than the separator at one end of the electrode plate where the electrode tab is located to form the electrode plate extension protruding out of the separator, and wherein the electrode plate extensions of the same polarity are coupled to each other.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Su-Han Park, Min-Suk Kang, In-Jung Kim, Han Kim, Yong-Tae Lee
  • Patent number: 10381610
    Abstract: A secondary battery includes a container, an electrode assembly received in the container, and an insulator assembly disposed on at least one of an upper end and a lower end of the electrode assembly. When the electrode assembly is moved vertically due to inertia, the insulator assembly is elastically contracted and restored as a reaction to the inertia, thereby reducing pressure generated between an interior surface of the container and the electrode assembly. The insulation assembly may provide insulation effect. It may function as an electrolytic solution flow path.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jin Soo Kim, Duk Hyun Ryu, Kwan Soo Lee
  • Patent number: 10381685
    Abstract: The present disclosure provides a non-aqueous liquid electrolyte comprising a non-aqueous organic solvent, a lithium salt, and an additive that is an isocyanate-based compound comprising a carbon-carbon triple bond. By comprising the isocyanate-based compound additive comprising a carbon-carbon triple bond of the present disclosure in the non-aqueous liquid electrolyte, lifespan properties and high temperature durability are capable of being enhanced, and internal resistance of a battery is capable of being reduced.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Kyoung Ho Ahn, Sol Ji Park, Chul Haeng Lee, Jeong Woo Oh
  • Patent number: 10376868
    Abstract: The present invention relates to a linear inorganic coordination polymer and a metal complex compound which are prepared in the form of a metal nanostructure having various stereo structures and thus can be used as a catalyst or the like having an excellent activity in preparing a polyalkylene carbonate resin and the like, and a metal nanostructure and a catalyst composition comprising the same. The linear inorganic coordination polymer comprises a repeating unit having a form in which a predetermined oxalic acid derivative is coordinately bonded to a transition metal, and the metal complex compound comprises a plurality of linear inorganic coordination polymer chains and has a structure in which the plurality of polymer chains are linked to each other via a predetermined neutral ligand.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: August 13, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Won Jong Kwon, Sung Ho Yoon, Ye Ji Lee, Min Og Kim
  • Patent number: 10377740
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Kichul Koo, Jungi Jang, Dong Uk Heo, Miyeon Han, Min Woo Jung
  • Patent number: 10377864
    Abstract: The present invention relates to a plasticizer composition, a resin composition and a method for preparing thereof. The present invention can provide a plasticizer composition, which can improve properties required to the plasticizer composition contained in a vinyl chloride-based resin composition, such as plasticizing efficiency, volatile loss, and migration resistance, to a level equal to or better than the existing plasticizer composition, and a resin composition comprising thereof.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 10377894
    Abstract: The present application relates to a block copolymer and its use. The present application can provides a block copolymer that has an excellent self assembling property or phase separation property and therefore can be used in various applications and its use.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jeong Kyu Lee, Je Gwon Lee, In Young Song, Sung Joon Oh, Yeon Joo Kang, Sung Soo Yoon, Jung Keun Kim
  • Patent number: 10377875
    Abstract: The present invention relates to a plasticizer composition, a resin composition and methods for preparing thereof, and, by improving poor physical properties having been caused by structural limitation, provides a plasticizer capable of improving physical properties such as plasticizing efficiency, a migration property, tensile strength, an elongation rate, stress migration and light resistance required for sheet formularization when used as a plasticizer of a resin composition, and a resin composition comprising the same.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 10381606
    Abstract: Provided is a battery module. The battery module according to an embodiment of the present disclosure may include: a cartridge assembly including a plurality of cartridges configured to receive battery cells; a substrate protecting body combined to the cartridge assembly; a casing configured to receive the cartridge assembly and the substrate protecting body and surround the cartridge assembly and the substrate protecting body; and a cover capable of being combined to the casing.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: August 13, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Nam-In Kim, Jae-Hyun Seo, Young-Sop Eom, Bo-Hyon Kim, Hyun-Young Cho
  • Patent number: 10381694
    Abstract: According to the present disclosure, there is a cooling device for battery cells including a heat sink with a hollow structure disposed adjacent to at least one side of a battery cell assembly and having a channel formed therein through which a coolant flows, the battery cell assembly including a plurality of battery cells, and a cooling plate configured to carry out heat exchange with the battery cells, the cooling plate including a heat absorbing part interposed between the battery cells such that one surface or both surfaces come into contact with the battery cells, and a heat emitting part extending from the heat absorbing part and exposed to the channel, wherein the heat emitting part includes at least one bent surface arranged parallel to the channel, and at least one through-hole through which the coolant goes.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jin-Moo Nam, Hyun-Seok Shim, Yong-Seok Choi, Gyu-Jong Bae
  • 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: 10381572
    Abstract: The present specification provides a hetero-cyclic compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: August 13, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Boonjae Jang, Dong Hoon Lee, Dong Uk Heo, Miyeon Han, Minyoung Kang
  • Patent number: 10381679
    Abstract: Disclosed is a battery module array including battery modules, which may have improved space utilization. The battery module array includes a plurality of battery modules, each having two secondary battery cells, a module frame and a cooling fin. If the battery module array is configured using the above battery modules, space utilization may be improved.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: August 13, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Jong-Woon Choi, Jeong-O Mun, Dal-Mo Kang
  • Publication number: 20190241701
    Abstract: A polymer resin compound, a photosensitive resin composition for a black bank comprising the polymer resin compound, and a method for manufacturing a black bank. The method comprises coating the photosensitive resin composition on a substrate to form a photosensitive resin film; exposing and developing the photosensitive resin film to pattern the coated photosensitive resin film; and curing the patterned photosensitive resin film.
    Type: Application
    Filed: February 27, 2018
    Publication date: August 8, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Taewoo KIM, Won Jung LEE, Youngju PARK
  • Publication number: 20190245171
    Abstract: A battery module including a battery cell assembly having at least one battery cell, a module case accommodating the battery cell assembly and including a first cover plate covering a first side of the battery cell assembly and a second cover plate covering a second side of the battery cell assembly, the second side being different from the first side, and at least one bolting member integrally fastened through the first cover plate and the second cover plate of the module case, wherein each bolting member includes a first portion fastened to the first cover plate and a second portion fastened to the second cover plate, the first and second portions of each bolting member have different diameters.
    Type: Application
    Filed: July 12, 2018
    Publication date: August 8, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Hee-Jun JIN, Sung-Won SEO, Yoon-Koo LEE, Eun-Ah JU, Jeong-O MUN