Patents by Inventor Jeong-Ju Cho

Jeong-Ju Cho 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: 11795299
    Abstract: Provided is a plasticizer composition including a cyclohexane-1,2-diester-based material of Formula 1 and a trimellitate-based material of Formula 2: wherein in Formula 1 and Formula 2, R1 to R5 are each independently an alkyl group of 8 to 10 carbon atoms.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: October 24, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Woo Hyuk Choi, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 11788418
    Abstract: Provided is a gas turbine vane and blade assembly in which lattice structures are installed between an impingement plate and an effusion plate. The gas turbine vane and blade assembly is capable of enhancing cooling efficiency in an impingement/effusion cooling technique. In addition, the gas turbine vane and blade assembly can be manufactured using an additive manufacturing technique, and the lattice structures are capable of replacing supports that are used during an additive manufacturing process, and improving not only structural rigidity and stability but also cooling performance.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: October 17, 2023
    Assignee: Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Hyung Hee Cho, Ho Seop Song, Minho Bang, Heeseung Park, Taehyun Kim, Seungyeong Choi, Jeong Ju Kim
  • Publication number: 20230307702
    Abstract: A solid-state ion conductor includes a compound of Formula 1: Li3a+b?(c*n)NaClbXc??Formula 1 wherein, in Formula 1, X is an anion having an average oxidation state of n and is ?3?n??1, and is at least one of Br, I, F, O, S, or P; and 1?a?4, 1?b?3, 0<c?3, and 4.8?(a+b+c)?5.2.
    Type: Application
    Filed: May 31, 2023
    Publication date: September 28, 2023
    Inventors: Yan Wang, Lincoln Miara, Jeong-Ju Cho, Sung-Kyun Jung, Hyeokjo Gwon
  • Patent number: 11767420
    Abstract: A plasticizer composition and a resin composition including the plasticizer composition. The resin composition addresses limitations associated with conventional plasticizers by improving various properties such as plasticization efficiency and mechanical properties including migration properties, volatile loss, tensile strength and elongation rate. The plasticizer composition is also capable of improving properties such as elongation retention and cold tolerance.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: September 26, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 11753402
    Abstract: Provided is a plasticizer composition, including: a cyclohexane-1,2-diester-based substance in which two alkyl groups are bonded to the ester groups, and the alkyl groups each independently are a C4 to C12 alkyl group; and an epoxidized alkyl ester composition comprising one or more compounds of the following Chemical Formula 1: wherein in Chemical Formula 1: R1 is a C8 to C20 alkyl group comprising one or more epoxy groups; and R2 is a C4 to C10 alkyl group.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: September 12, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim
  • Publication number: 20230284525
    Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure as a single host material, or by comprising the specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved driving voltage and/or luminous efficiency.
    Type: Application
    Filed: February 2, 2023
    Publication date: September 7, 2023
    Inventors: Hyun-Ju KANG, Jeong-Hwan JEON, So-Mi PARK, Sang-Hee CHO, Hyun-Woo KANG, Kyoung-Jin PARK, Dong-Gil KIM
  • Patent number: 11746079
    Abstract: Provided is a plasticizer composition, comprising: a cyclohexane-1,4-diester-based substance of the following Chemical Formula 1; an epoxidized alkyl ester composition comprising one or more compounds of the following Chemical Formula 2; and a citrate-based substance of the following Chemical Formula 3: wherein in Chemical Formula 1 to Chemical Formula 3; R1 and R2 each independently are a C8 alkyl group; R3 is a C8 to C20 alkyl group comprising one or more epoxy groups; and R4 to R7 each independently are a C4 to C10 alkyl group.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: September 5, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Jeong Ju Moon, Seok Ho Jeong, Yun Ki Cho, Joo Ho Kim
  • Publication number: 20230251759
    Abstract: Disclosed is an electronic device that includes a display that outputs execution screens of a plurality of applications, a memory that stores the plurality of applications, and a processor electrically connected with the display and the memory. The processor retrieves a history of one or more applications among the plurality of applications that were previously executed in the electronic device, in response to a user input detected by the electronic device and outputs the history on the display based on information about the one or more applications and information about layouts of execution screens of the one or more applications. If at least one of the one or more applications is selected from the history, the processor outputs an execution screen of the selected application on the display according to the corresponding layout.
    Type: Application
    Filed: April 17, 2023
    Publication date: August 10, 2023
    Inventors: Jeong Won KO, Mun Hwi KIM, Joon Hwan KIM, Hye Jin KIM, Kyung Wook RO, Myoung Soo PARK, Jung Woo SHIN, Ji Hun LEE, Han Ju CHO
  • Patent number: 11720790
    Abstract: Disclosed herein is an image deep learning model training method. The method includes sampling a twin negative comprising a first negative sample and a second negative sample by selecting the first negative sample with a highest similarity out of an anchor sample and a positive sample constituting a matching pair in each class and by selecting the second negative sample with a highest similarity to the first negative sample, and training the samples to minimize a loss of a loss function in each class by utilizing the anchor sample, the positive sample, the first and second negative samples for each class. The first negative sample is selected in a different class from a class comprising the matching pair, and the second negative sample is selected in a different class from classes comprising the matching pair and the first negative sample.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: August 8, 2023
    Assignees: Electronics and Telecommunications Research Institute, INFORMATION TECHNOLOGY UNIVERSITY (ITU)
    Inventors: Yong Ju Cho, Jeong Il Seo, Rehan Hafiz, Mohsen Ali, Muhammad Faisal, Aman Irshad
  • Patent number: 11721834
    Abstract: A solid-state ion conductor includes a compound of Formula 1: Li3a+b?(c*N)NaClbXc??Formula 1 wherein, in Formula 1, X is an anion having an average oxidation state of n and is ?3?n??1, and is at least one of Br, I, F, O, S, or P; and 1?a?4, 1?b?3, 0<c?3, and 4.8?(a+b+c)?5.2.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: August 8, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yan Wang, Lincoln Miara, Jeong-Ju Cho, Sung-Kyun Jung, Hyeokjo Gwon
  • Patent number: 11702529
    Abstract: A plasticizer composition, and a resin composition including the same. The plasticizer composition includes 70 to 99 wt % of a first plasticizer including a terephthalate-based material and a citrate-based material in a specific weight ratio; and 1 to 30 wt % of a second plasticizer including an epoxidized alkyl ester composition. The plasticizer composition has enhanced physical properties, such as thermal stability and light resistance. In addition, the plasticizer composition has stable and improved tensile and elongation properties, migration resistance and volatile loss.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: July 18, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong, Yun Ki Cho
  • Publication number: 20230175153
    Abstract: A method of manufacturing an electrode for water electrolysis having high catalytic activity for a hydrogen evolution reaction by forming a catalyst layer in which molybdenum oxide and a Ni-Mo-based alloy are mixed and an electrode for water electrolysis manufactured thereby are described. The method includes preparing catalyst materials including a solvent, a nickel (Ni) precursor, a molybdenum (Mo) precursor, and sodium citrate, preparing an electrode base material, obtaining a plating solution by dissolving the nickel (Ni) precursor, the molybdenum (Mo) precursor, and the sodium citrate in the solvent, and forming a catalyst layer on the surface of the electrode base material by immersing the electrode base material in the plating solution and applying an electric current.
    Type: Application
    Filed: October 17, 2022
    Publication date: June 8, 2023
    Inventors: Seung Hyeon Choi, Hoon Mo Park, Min Ju Park, Se Young Lee, Eun Ae Cho, Dong Hoon Song, Hyo Won Kim, Yong Keun Kwon, Jeong Han Roh
  • Publication number: 20230166248
    Abstract: An electrode assembly includes a first electrode and a dielectric layer on the first electrode. The dielectric layer includes a bismuth compound of the formula Bi2(CrO4)2Cr2O7, Pb4(BiO4)(PO4), Ag3BiO3, Bi2CdO2(GeO4), Bi2Te4O11, Cs6Bi4O9, Na3Bi(PO4)2, Bi2(SeO3)3, or a combination thereof. The electrode assembly can be particularly useful in various electronic devices.
    Type: Application
    Filed: February 1, 2022
    Publication date: June 1, 2023
    Inventors: Valentina Lacivita, Yan Wang, Jeong-Ju Cho
  • Publication number: 20230166249
    Abstract: An electrode assembly including a first electrode and a dielectric layer on the first electrode. The dielectric layer comprises a lead-containing compound of the formula PbMgV2O7, Pb2Te3O8, PbZnV2O7, Na2PbO2, PbP2O6, PbZnSiO4, Pb2In2Si2O9, Pb6(AsO4)[B(AsO4)4], PbAl2Si2O8, K4PbO3, Pb2TiAs2O9, Pb4O(VO4)2, Rb4PbO3, Pb2V2O7, Pb9Al8O21, Nd(Al3O6)(Pb2O2), Pb6Co9(TeO6)5, Pb3(B3O7)NO3, a lead-containing oxyhalide of the formula Pb13(Cl3O5)2, Pb13(Br3O5)2, Pb2OF2, Pb2CO3F2, Pb(AsO2)3Cl, Pb3O2(OH)Cl, Pb6(BO3)3OCl, Pb2B5O9I, Pb2B5O9Br, Pb2B5O9Cl, Pb5(AsO3)3Cl, Pb8Y6F32O, Pb(O2Pb3)2(BO3)Br3, Pb6LaO7Cl, a lead-containing phosphate of the formula Pb2PO4I, Pb2InP3O11, Pb2MoP3O11, Pb2Ni(PO4)2, Pb2VO(PO4), K2Pb(PO3)4, Pb3(MoO)3(PO4)5, Pb4O(PO4)2, RbPb(PO3)3, PbVO2PO4, Pb5(PO4)3F, Pb5(PO4)3Cl, Pb5(PO4)3I, PbP2O6, or a combination thereof. The electrode assembly can be particularly useful in various electronic devices.
    Type: Application
    Filed: February 1, 2022
    Publication date: June 1, 2023
    Inventors: Valentina Lacivita, Yan Wang, Jeong-Ju Cho
  • Publication number: 20220165495
    Abstract: An electronic device comprises a first blocking electrode; a second blocking electrode; and a dielectric material disposed between the first electrode and the second electrode, the dielectric material comprising a compound of Formula 1 Li24-b*y-c*z-a*xM1yM2zM3xO12-???(1) wherein M1 is a cationic element having an oxidation state of b, wherein b is +1, +2, +3, +4, +5, +6, or a combination thereof; M2 is a cationic element having an oxidation state of c, wherein c is +1, +2, +3, +4, +5, +6, or a combination thereof; M3 is a cationic element having an oxidation state of a, wherein a is +1, +3, +4, or a combination thereof; 0?y?3; 0?z?3; 0?x?5; and 0???2. Methods for the manufacture of the electronic device are also disclosed.
    Type: Application
    Filed: January 28, 2021
    Publication date: May 26, 2022
    Inventors: Yan Wang, Valentina Lacivita, Ali Hamze, Jeong-Ju Cho
  • Patent number: 11264602
    Abstract: A compound of Formula 1: Li1+2x?yZn1?xPS4?y??Ay??(1) wherein A is halogen, 0?x?1, 0?y?0.5, and 0???0.5, and wherein the compound of Formula 1 has an body centered cubic crystal structure. Also a lithium battery and an electrode including the compound.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: March 1, 2022
    Assignees: SAMSUNG ELECTRONICS CO., LTD., THE FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION, INC.
    Inventors: Yan Wang, Jeong-Ju Cho, Lincoln Miara, Yan-Yan Hu, Xuyong Feng
  • Publication number: 20220037693
    Abstract: A solid-state ion conductor includes a compound of Formula 1: Li3a+b?(c*N)NaClbXc??Formula 1 wherein, in Formula 1, X is an anion having an average oxidation state of n and is ?3>n??1, and is at least one of Br, I, F, O, S, or P; and 1?a?4, 1?b?3, 0?c?3, and 4.8?(a+b+c)?5.2.
    Type: Application
    Filed: December 31, 2020
    Publication date: February 3, 2022
    Inventors: Yan Wang, Lincoln Miara, Jeong-Ju Cho, Sung-Kyun Jung, Hyeokjo Gwon
  • Publication number: 20220037649
    Abstract: A positive active material layer includes a positive active material comprising a plurality of particles having multi-modal particle size distribution, wherein the multi-modal particle size distribution comprises a first particle size distribution having a first mean particle diameter (D1) and a second particle size distribution having a second mean particle diameter (D2); a conductive agent; and a solid electrolyte comprising particles having a mean particle diameter (DSE) of 0.1 micrometers to 12 micrometers, wherein each of the first mean particle diameter and the second mean particle diameter are independently 1 micrometer to 50 micrometers.
    Type: Application
    Filed: December 9, 2020
    Publication date: February 3, 2022
    Inventors: Srinath Chakravarthy, Jeong-Ju Cho, Qingsong Tu, Tan Shi, Gerbrand Ceder
  • Patent number: 11196085
    Abstract: A rechargeable battery is designed with cells having a specific combination of anode, cathode, and electrolyte compositions to maintain long cycle life at extreme high temperatures and deliver high power at extreme low temperatures. These properties can significantly reduce or altogether eliminate the need for thermal management circuitry, reducing weight and cost. Applications in telecommunications backup, transportation, and military defense are contemplated.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: December 7, 2021
    Assignee: A123 Systems LLC
    Inventor: Jeong-Ju Cho
  • Patent number: 11127944
    Abstract: A positive electroactive material is described, including: a lithium iron manganese phosphate compound having a composition of LiaFe1-x-yMnxDy(PO4)z, wherein 1.0<a?1.10, 0<x?0.5, 0?y?0.10, 1.0<z?1.10 and D is selected from the group consisting of Co, Ni, V, Nb and combinations thereof; and a lithium metal oxide, wherein the lithium iron manganese phosphate compound is optionally doped with Ti, Zr, Nb, Al, Ta, W, Mg or F. A battery containing the positive electroactive material is also described.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: September 21, 2021
    Assignee: A123 Systems, LLC
    Inventors: Sang-Young Yoon, Rocco Iocco, Jeong Ju Cho