Patents by Inventor Jae Hyun Lee

Jae Hyun 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: 10964924
    Abstract: Provided is a packaging for a flexible secondary battery, including: a first polymer resin layer; a barrier layer formed on the first polymer resin layer for interrupting moisture and gases; a parylene layer including parylene on at least one surface of the barrier layer; and a second polymer resin layer formed on the barrier layer, wherein the parylene layer has a thickness of 0.1-2.5 ?m. A flexible secondary battery including the packaging is also provided.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: March 30, 2021
    Inventors: In-Sung Uhm, Ju-Ryoun Kim, Yong-Hee Lee, Sang-Hun Kim, Jae-Hyun Lee, Yong-Su Choi, Soo-Ji Hwang
  • Publication number: 20210090806
    Abstract: A multilayer electronic component includes a body including dielectric layers and first and second internal electrodes alternately laminated with respective dielectric layers interposed therebetween, and first and second surfaces opposing each other in a direction by which the internal electrodes are laminated, third and fourth surfaces connected to the first and second surfaces and opposing each other, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other; a moisture-proof layer disposed on at least one surface of anyone of the first, second, fifth, or sixth surface and containing a rare-earth oxide; a first external electrode disposed on the third surface and connected to the first internal electrodes; and a second external electrode disposed on the fourth surface and connected to the second internal electrodes.
    Type: Application
    Filed: March 30, 2020
    Publication date: March 25, 2021
    Inventors: Chae Min PARK, Ji Hong JO, Woong SHIN, Jae Hyun LEE, Hyun Woo SEUNG, Woo Chul SHIN
  • Publication number: 20210091163
    Abstract: A display device includes a substrate, a first conductive layer on the substrate, the first conductive layer including a data signal line, a first insulating layer on the first conductive layer, a semiconductor layer on the first insulating layer, the semiconductor layer including a first semiconductor pattern, a second insulating layer on the semiconductor layer, and a second conductive layer on the second insulating layer, the second conductive layer including a gate electrode disposed to overlap the first semiconductor pattern, a transistor first electrode disposed to overlap a part of the first semiconductor pattern, wherein the transistor first electrode is electrically connected to the data signal line through a contact hole that penetrates the first and second insulating layers, and a transistor second electrode disposed to overlap another part of the first semiconductor pattern.
    Type: Application
    Filed: June 4, 2020
    Publication date: March 25, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Sok SON, Woo Geun LEE, Seul Ki KIM, Kap Soo YOON, Hyun Woong BAEK, Jae Hyun LEE, Su Jung JUNG, Jung Kyoung CHO, Seung Ha CHOI, June Whan CHOI
  • Publication number: 20210074793
    Abstract: A display panel includes two or more gate layers including a plurality of gate patterns extending in a first direction and one or more source-drain layers including a plurality of source-drain patterns extending in a second direction crossing the first direction. The gate patterns of the two or more gate layers are curved or bent along a hole surrounding area corresponding to a periphery of a hole in an active area. The source-drain patterns of the one or more source-drain layers are curved or bent along the hole surrounding area. The gate patterns of at least one of the two or more gate layers overlap the source-drain patterns of at least one of the one or more source-drain layers in a thickness direction of the display panel in the hole surrounding area.
    Type: Application
    Filed: April 9, 2020
    Publication date: March 11, 2021
    Inventors: Kyunghyun BAEK, Seok Je SEONG, Hyeonsik KIM, Yoonjee SHIN, Jae Hyun LEE, Woo Ho JEONG, Yoon-Jong CHO
  • Patent number: 10944161
    Abstract: The present invention relates to a film-type microstrip patch antenna. The present invention comprises: a base film; a microstrip transmission line part formed on one surface of the base film; a radiation patch part formed on the one surface of the base film so as to be electrically connected to the microstrip transmission line part; and a ground part formed on the other surface of the base film. The present invention can be implemented in a screen display area of a display device, be applied to a high-frequency band for 3G to 5G mobile communication, and prevent the moire phenomenon caused by components of an antenna, thereby improving the optical characteristics of the display device mounted with the antenna.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: March 9, 2021
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Jong Min Kim, Jae Hyun Lee, Dong Pil Park
  • Patent number: 10938023
    Abstract: The present disclosure relates to a method for manufacturing an electrode for a secondary battery, including the steps of: (i) preparing a first electrode mixture for primary coating and a second electrode mixture for secondary coating; (ii) coating the first electrode mixture onto an electrode current collector and carrying out drying; and (iii) coating the second electrode mixture onto the first electrode mixture and carrying out drying in such a manner that the drying rate of the second electrode mixture is lower than the drying rate of the first electrode mixture in step (ii).
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: March 2, 2021
    Inventors: Jun-Soo Park, Young-Hwan Lee, Jae-Hyun Lee
  • Publication number: 20210050600
    Abstract: Disclosed are an electrode having a three-dimensional structure, the electrode including: a porous nonwoven web including a plurality of polymer fibers that form an interconnected porous network; an active material composite positioned among the polymer fibers and including active material particles and a first conductive material; and a second conductive material positioned on an outer surface of the active material composite, wherein the interconnected porous network is filled homogeneously with the active material composite and the second conductive material to form a super lattice structure, and an electrochemical device including the electrode having a three-dimensional structure.
    Type: Application
    Filed: November 8, 2018
    Publication date: February 18, 2021
    Applicants: LG Chem, Ltd., Ulsan National Institute of Science and Technology
    Inventors: In-Sung Uhm, Sang-Young Lee, Sung-Joong Kang, Jeong-A Kim, Je-Young Kim, Ju-Myung Kim, Yong-Hee Lee, Jae-Hyun Lee
  • Publication number: 20210046844
    Abstract: An apparatus and method for determining electrode information of a battery including a positive electrode and a negative electrode, and a battery pack including the apparatus. The apparatus includes a sensing unit configured to measure a voltage and a current of the battery, and a processor. The processor generates a V-dQ/dV curve based on the voltage and the current of the battery. The V-dQ/dV curve indicates a relationship between V (the voltage of the battery) and dQ/dV (a ratio of an amount of change dQ of the remaining capacity to an amount of change dV of the voltage of the battery). The processor detects a plurality of feature points from the V-dQ/dV curve. The processor determines information associated with each of the first electrode and the second electrode as the electrode information based on the plurality of feature points.
    Type: Application
    Filed: April 10, 2019
    Publication date: February 18, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Yoon-Jung Bae, Dae-Soo Kim, Ji-Yeon Kim, Dong-Kyu Kim, Jae-Hyun Lee
  • Publication number: 20210041506
    Abstract: An apparatus for diagnosing a battery includes a sensing unit configured to measure a potential and a current of a battery, and a processor configured to estimate a capacity of the battery based on the current measured by the sensing unit, detect inflection points in potential-capacity data in which the potential and the estimated capacity are mapped with each other, estimate an electrode potential of each inflection point, calculate a potential difference between each estimated electrode potential and a reference electrode potential, diagnose a change of at least one of an active material area, a depth of charge and a depth of discharge of an electrode of the battery based on an increase or decrease pattern of the plurality of calculated potential differences, and determine a mode of the battery as a normal mode or a failure mode based on the diagnosis result.
    Type: Application
    Filed: April 10, 2019
    Publication date: February 11, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Yoon-Jung Bae, Dae-Soo Kim, Ji-Yeon Kim, Dong-Kyu Kim, Jae-Hyun Lee
  • Publication number: 20210043916
    Abstract: The present disclosure relates to an electrode for an all solid-state battery and a method for manufacturing the same. The electrode comprises an electrode active material layer, wherein the gaps between the electrode active material particles forming the electrode active material layer are filled with a mixture of a polymeric solid electrolyte and a conductive material. The method for manufacturing the electrode comprises a solvent annealing process, and the contact between the electrode active material particles and the conductive material is improved through the solvent annealing process, thereby improving ion conductivity of the electrode and capacity realization in the battery.
    Type: Application
    Filed: May 3, 2019
    Publication date: February 11, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jung-Pil Lee, Ji-Hoon Ryu, Sung-Joong Kang, Jae-Hyun Lee
  • Publication number: 20210034199
    Abstract: A high performance touch sensor according to the present invention comprises: a substrate; a first detection electrode formed on the substrate; an insulation layer formed on the first detection electrode; a second detection electrode formed on the insulation layer; and a protection layer formed on the second detection electrode, wherein one of the first detection electrode and the second detection electrode has a triple-film structure including a metal oxide and a thin film metal laminated on each other, and the other one includes a metal pattern. Therefore, the present invention can implement touch sensor having a high resolution and a large area while simultaneously satisfying a low resistance characteristic and an optical characteristic, facilitate progress of a high-temperature process, and diversify the substrate.
    Type: Application
    Filed: March 29, 2019
    Publication date: February 4, 2021
    Inventors: Jae Hyun Lee, Ju In Yoon, Keon Kim, Byung Jin Choi
  • Patent number: 10903497
    Abstract: The present disclosure relates to a cathode including a cathode active material and poly(amic acid). When the lithium secondary battery including the cathode is in an abnormal operation range of 160° C. or higher, condensation reaction of poly(amic acid) occurs to form polyimide. The polyimide surrounds cathode active material particles in the form of a coating film and prevents transport of lithium ions and electrons to interrupt current flow, and inhibits abnormal heat emission and thermal runaway or combustion caused by additional reactions.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: January 26, 2021
    Inventors: Su-Rim Lee, Su-Hyun Kim, Hye-Won Jeong, Jae-Hyun Lee
  • Patent number: 10900546
    Abstract: Disclosed herein is an actuator. The actuator, in accordance with an aspect of the present disclosure, includes a motor configured to generate torque, a gear device configured to amplify the torque, a belt driving device configured to transfer the torque to the gear device, and a bracket unit configured to fix a distance between a rotation shaft of the motor and a gear shaft of the gear device, wherein the bracket unit includes a pair of support members configured to support a portion of an outer peripheral surface of a belt gear in the bracket driving device and prevent tooth disengagement of the belt gear.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: January 26, 2021
    Assignee: MANDO CORPORATION
    Inventor: Jae-Hyun Lee
  • Publication number: 20210020917
    Abstract: The present disclosure relates to an electrode for an all solid-state battery and a method for manufacturing the same. The electrode comprises an electrode active material layer, wherein the gaps between the electrode active material particles forming the electrode active material layer are filled with a mixture of a polymeric solid electrolyte, oxidation-/reduction-improving additive and a conductive material. The method for manufacturing the electrode comprises a solvent annealing process, and the dissociation degree and transportability of the oxidation-/reduction-improving additive are increased through the solvent annealing process, thereby improving the life characteristics of a battery.
    Type: Application
    Filed: May 3, 2019
    Publication date: January 21, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jung-Pil Lee, Ji-Hee Ahn, Sung-Joong Kang, Jae-Hyun Lee
  • Publication number: 20210020945
    Abstract: The present disclosure relates to an all solid-state battery cell and a method for manufacturing the same. The gaps between the electrode active material particles forming the electrode active material layer are filled with a mixture of a polymeric solid electrolyte with a conductive material, and an organic solid electrolyte membrane is interposed between the positive electrode and the negative electrode. The method comprises a solvent annealing process to improve the contact between the electrode active material particles and the conductive material and to improve the contact between the electrode active material layer and the organic solid electrolyte membrane, thereby providing an all solid-state battery cell with improved ion conductivity and capacity realization.
    Type: Application
    Filed: May 3, 2019
    Publication date: January 21, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jung-Pil Lee, Ji-Young Kim, Ji-Hoon Ryu, Sung-Joong Kang, Jae-Hyun Lee
  • Publication number: 20210012965
    Abstract: A capacitor component includes a body including dielectric layers, first and second internal electrodes, laminated in a first direction, facing each other, and first and second cover portions, disposed on outermost portions of the first and second internal electrodes, and first and second external electrodes, respectively disposed on both external surfaces of the body in a second direction, perpendicular to the first direction, and respectively connected to the first and second internal electrodes. An indentation is disposed at at least one of boundaries between the first internal electrodes and the first external electrode or one of boundaries between the second internal electrodes and the second external electrode.
    Type: Application
    Filed: May 14, 2020
    Publication date: January 14, 2021
    Inventors: Jang Yeol Lee, Ji Hong Jo, Yoo Jeong Lee, Myung Jun Park, Jong Ho Lee, Hye Young Choi, Jae Hyun Lee, Hyun Hee Gu
  • Publication number: 20210012967
    Abstract: A capacitor component includes a body including a dielectric layer, a first electrode and a second internal electrode, laminated in a first direction, opposing each other, and a first cover portion and a second cover portion, disposed on outermost surfaces of the first and second internal electrodes, each having a thickness of 25 ?m or less, a first electrode layer and a second electrode layer, respectively disposed on both external surfaces of the body in a second direction perpendicular to the first direction and respectively, and plating layers, respectively disposed on the first and second electrode layers. A metal oxide is disposed on a boundary between the first electrode layer and the plating layer and a boundary between the second electrode layer and the plating layer.
    Type: Application
    Filed: May 21, 2020
    Publication date: January 14, 2021
    Inventors: Jang Yeol LEE, Ji Hong JO, Yoo Jeong LEE, Myung Jun PARK, Jong Ho LEE, Hye Young CHOI, Jae Hyun LEE, Hyun Hee GU
  • Publication number: 20210012964
    Abstract: A capacitor component includes a body including dielectric layers, first and second internal electrodes, laminated in a first direction, facing each other, and first and second cover portions, disposed on outermost portions of the first and second internal electrodes, and first and second external electrodes, respectively disposed on both external surfaces of the body in a second direction, perpendicular to the first direction, and respectively connected to the first and second internal electrodes. An indentation including a glass is disposed at at least one of boundaries between the first internal electrodes and the first external electrode or one of boundaries between the second internal electrodes and the second external electrode.
    Type: Application
    Filed: May 19, 2020
    Publication date: January 14, 2021
    Inventors: Jang Yeol Lee, Ji Hong Jo, Yoo Jeong Lee, Myung Jun Park, Jong Ho Lee, Hye Young Choi, Jae Hyun Lee, Hyun Hee Gu
  • Publication number: 20200408846
    Abstract: A battery diagnostic device includes a sensing unit configured to measure a current and voltage of a battery, and a processor configured to estimate a SOC of the battery based on the measured current, select a plurality of SOCs from SOC-voltage data mapping the voltage and the estimated SOC with each other, divide a preset SOC region into a plurality of sub-regions based on sizes of the selected SOCs, calculate a region change value of each of the sub-regions based on the sizes of the sub-regions and a size of a preset reference region, diagnose whether at least one of an active material area, a depth of discharge and a depth of charge of the battery changes based on the calculated change values of sub-regions, and determine whether a mode of the battery is a normal mode or a failure mode based on the diagnosis.
    Type: Application
    Filed: April 10, 2019
    Publication date: December 31, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Yoon-Jung Bae, Dae-Soo Kim, Ji-Yeon Kim, Dong-Kyu Kim, Jae-Hyun Lee
  • Patent number: 10861650
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including a dielectric layer and a first internal electrode and a second internal electrode disposed in a stacking direction to face each other with the dielectric layer interposed therebetween; and a first external electrode electrically connected to the first internal electrode and a second external electrode electrically connected to the second internal electrode. Where a length of the first electrode layer in a length direction of the ceramic body is denoted by A and a length of the second electrode layer in a length direction of the ceramic body is denoted by B, B is shorter than A.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: December 8, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hye Young Choi, Jae Hyun Lee, Hyun Hee Gu, Sun Woong Kim