Patents by Inventor Dae Soo Kim

Dae Soo Kim 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: 12665225
    Abstract: Discussed is a method for manufacturing a secondary battery, the method including an operation (a) of alternately stacking an electrode and a separator to manufacture an electrode assembly; an operation (b) of laminating the electrode assembly at a pressure of 5 kgf/cm2 or more to bond the electrode and the separator, which are provided in the electrode assembly, to each other; an operation (c) of accommodating the electrode assembly in a battery case and injecting an electrolyte into the battery case to seal the battery case, thereby manufacturing a preliminary battery; an operation (d) of charging and discharging the preliminary battery to activate the preliminary battery; and an operation (e) of aging the preliminary battery at a high temperature of 60° C. to 100° C. for 1 hour to 6 hours to thermally treat the preliminary battery.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: June 23, 2026
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Hyun Jun Choi, Soon Ju Choi, Seok Koo Kim, Young Deok Kim, Dae Soo Kim
  • Publication number: 20260114097
    Abstract: A light emitting display device is disclosed that includes a substrate, a transistor, an insulating layer, a pixel electrode, a pixel defining layer, a spacer, and a protective layer. The transistor is positioned on the substrate and the insulating layer is positioned on the transistor. The pixel electrode is positioned on the insulating layer and electrically connected to the transistor. The pixel defining layer is positioned on the insulating layer and has an opening overlapping the pixel electrode. The spacer is positioned on the pixel defining layer and the protective layer is positioned on the spacer. The protective layer includes a first layer positioned on the spacer and a second layer positioned on the first layer.
    Type: Application
    Filed: July 16, 2025
    Publication date: April 23, 2026
    Inventors: Jong Min LEE, Dae Soo KIM, Min Yeul RYU, JUN HEO
  • Publication number: 20250351673
    Abstract: The present disclosure provides a display device which includes a substrate, a first polycrystalline semiconductor on the substrate and including a channel region, a source region, and a drain region of a first transistor, a first silicon oxide film on the first polycrystalline semiconductor, a first gate insulating film on the first silicon oxide film, a gate electrode of the first transistor on the first gate insulating film and overlapping the channel region of the first transistor, and a first interlayer insulating film on the gate electrode of the first transistor. A thickness ratio of the first silicon oxide film and the channel region of the first transistor is 1:13 to 1:16.
    Type: Application
    Filed: February 27, 2025
    Publication date: November 13, 2025
    Inventors: Jong Oh SEO, Dae Soo KIM, Sang Gab KIM
  • Publication number: 20250215397
    Abstract: The present disclosure relates to a method for two-dimensionally culturing an intestinal stem cell population in a chemically defined medium and a use thereof, and also relates to a method for differentiating the intestinal stem cell population into 2.5-dimensional intestinal epithelial cells and a use thereof.
    Type: Application
    Filed: February 6, 2023
    Publication date: July 3, 2025
    Applicant: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Mi-Young SON, Oh Man KWON, Dae Soo KIM, Hana LEE
  • Patent number: 12249702
    Abstract: An electrode assembly comprises: a first unit electrode in which a plurality of first electrodes entirely made of a first electrode mixture having a solid shape are connected to each other; a second unit electrode in which a plurality of second electrodes entirely made of a second electrode mixture having a solid shape are connected to each other; a separator interposed between the first unit electrode and the second unit electrode; and an electrode tab comprising a plurality of first electrode tab provided on the first unit electrode and a plurality of second electrode tab provided on the second unit electrode.
    Type: Grant
    Filed: March 23, 2023
    Date of Patent: March 11, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Dae Soo Kim, Young Deok Kim, Song Yi Han
  • Patent number: 12222401
    Abstract: A method of diagnosing degradation of an electrode active material for a secondary battery including obtaining a first differential curve (dQ/dV) by differentiating an initial charge/discharge curve obtained by performing first charging and first discharging of the lithium secondary battery in a voltage range of 2.5 V to 4.2 V, and obtaining a second differential curve (dQ/dV) by differentiating a charge/discharge curve obtained by performing second charging and second discharging of the lithium secondary battery in a voltage range of 2.5 V to 4.2 V, and diagnosing whether a beta phase of the positive electrode active material has been formed by comparing maximum discharge peak values of the first differential curve and the second differential curve.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: February 11, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Su Won Jee, Hyo Jung Yoon, Young Deok Kim, Ji Yeon Kim, Dae Soo Kim
  • Patent number: 12206271
    Abstract: A battery charge and discharge control device according to an embodiment of the present disclosure includes a state-of-charge (SOC) measurer measuring a SOC of a battery and a charge and discharge controller controlling a charging speed of the battery in response to the SOC of the battery being included in a preset SOC section, and the preset SOC section has change in resistance or a change in potential due to ions inserted into a material constituting the battery equal to or greater than a reference value.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: January 21, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Young Deok Kim, Dae Soo Kim, Hyun Jun Choi
  • Patent number: 12161041
    Abstract: An etching device includes a chamber; a stage disposed in the chamber and on which a target substrate is loaded; a gas distribution unit disposed to face the stage in the chamber; a plurality of plasma generation modules disposed above the chamber; a gas supply unit that supplies gas into the chamber; a gas line connecting the gas supply unit and the plurality of plasma generation modules; and a plurality of gas inlet pipes each including an end connected to the plasma generation module and another end connected to the gas distribution unit.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: December 3, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Soo Kim, Sang Gab Kim, Yun Jong Yeo, Ju Hee Lee, Soo Beom Jo, Dae Won Choi
  • Publication number: 20240247272
    Abstract: The present invention provides antisense oligonucleotides for the treatment of various T-type calcium channel ?1G subunit-related disorders, and more specifically, antisense oligonucleotides for inhibiting expression of the gene encoding Cav3.1, targeting SEQ ID NO: 1, for the treatment of various neuropsychiatric disorders, including Parkinson's disease, epilepsy, essential tremor, depression, anxiety disorders, and unconsciousness.
    Type: Application
    Filed: February 19, 2024
    Publication date: July 25, 2024
    Inventors: Dae Soo KIM, Jin Kuk KIM, Ye Won LEE, Eun Ji JUNG, Min Sung PARK, Sin Jeong LEE, Su Jin CHAE
  • Patent number: 11955594
    Abstract: The electrode comprises: a plurality of unit electrodes formed by connecting a plurality of electrodes made of an electrode mixture having a solid shape to each other; a separator interposed between the plurality of unit electrodes; and an electrode tab attached to the unit electrode, wherein the electrode tab comprises first and second electrode tabs, which are respectively attached to the unit electrodes and have different specific resistance.
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: April 9, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Dae Soo Kim, Young Deok Kim, Song Yi Han
  • Patent number: 11756964
    Abstract: A method for etching an insulating layer includes: sequentially forming a first gate insulating layer, an amorphous silicon layer, a first interlayer insulating layer, and a second interlayer insulating layer on a substrate; applying a photoresist on the second interlayer insulating layer, and patterning the photoresist through a photo-process; first etching the second interlayer insulating layer and the first interlayer insulating layer until at least a portion of the amorphous silicon layer is exposed by using the patterned photoresist as a mask; second etching the second interlayer insulating layer and the first interlayer insulating layer; third etching the amorphous silicon layer; and fourth etching the first gate insulating layer, wherein an etching gas used in the second etching includes a material having a higher etching selection ratio of the first and second interlayer insulating layers to the amorphous silicon layer than an etching gas used in the first etching.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: September 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Soo Kim, Yu-Gwang Jeong, Sung Won Cho
  • Publication number: 20230223510
    Abstract: The present invention relates to a secondary battery comprising an electrode assembly. The electrode assembly comprises: a first unit electrode in which a plurality of first electrodes entirely made of a first electrode mixture having a solid shape are connected to each other; a second unit electrode in which a plurality of second electrodes entirely made of a second electrode mixture having a solid shape are connected to each other; a separator interposed between the first unit electrode and the second unit electrode; and an electrode tab comprising a plurality of first electrode tab provided on the first unit electrode and a plurality of second electrode tab provided on the second unit electrode.
    Type: Application
    Filed: March 23, 2023
    Publication date: July 13, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Dae Soo KIM, Young Deok KIM, Song Yi HAN
  • Patent number: 11641011
    Abstract: An electrode assembly comprising a first unit electrode in which a plurality of first electrodes entirely made of a first electrode mixture having a solid shape are connected to each other; a second unit electrode in which a plurality of second electrodes entirely made of a second electrode mixture having a solid shape are connected to each other; a separator interposed between the first unit electrode and the second unit electrode; and an electrode tab comprising a plurality of first electrode tab provided on the first unit electrode and a plurality of second electrode tab provided on the second unit electrode.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: May 2, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Dae Soo Kim, Young Deok Kim, Song Yi Han
  • Publication number: 20230033456
    Abstract: The present invention relates to an electrode assembly. The electrode comprises: a plurality of unit electrodes formed by connecting a plurality of electrodes made of an electrode mixture having a solid shape to each other; a separator interposed between the plurality of unit electrodes; and an electrode tab attached to the unit electrode, wherein the electrode tab comprises first and second electrode tabs, which are respectively attached to the unit electrodes and have different specific resistance.
    Type: Application
    Filed: October 14, 2022
    Publication date: February 2, 2023
    Applicant: LG Energy Solution, LTD.
    Inventors: Dae Soo KIM, Young Deok KIM, Song Yi HAN
  • Publication number: 20220397613
    Abstract: A method of diagnosing degradation of an electrode active material for a secondary battery including obtaining a first differential curve (dQ/dV) by differentiating an initial charge/discharge curve obtained by performing first charging and first discharging of the lithium secondary battery in a voltage range of 2.5 V to 4.2 V, and obtaining a second differential curve (dQ/dV) by differentiating a charge/discharge curve obtained by performing second charging and second discharging of the lithium secondary battery in a voltage range of 2.5 V to 4.2 V, and diagnosing whether a beta phase of the positive electrode active material has been formed by comparing maximum discharge peak values of the first differential curve and the second differential curve.
    Type: Application
    Filed: January 12, 2021
    Publication date: December 15, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Su Won Jee, Hyo Jung Yoon, Young Deok Kim, Ji Yeon Kim, Dae Soo Kim
  • Patent number: 11508985
    Abstract: The present invention relates to an electrode assembly. The electrode comprises: a plurality of unit electrodes formed by connecting a plurality of electrodes made of an electrode mixture having a solid shape to each other; a separator interposed between the plurality of unit electrodes; and an electrode tab attached to the unit electrode, wherein the electrode tab comprises first and second electrode tabs, which are respectively attached to the unit electrodes and have different specific resistance.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: November 22, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Dae Soo Kim, Young Deok Kim, Song Yi Han
  • Publication number: 20220308045
    Abstract: The present invention relates to expandable liver organoids, a medium composition for differentiation thereof, and a method for producing liver organoids using the same, and the liver organoids according to the present invention exhibit the characteristics of more mature hepatocytes than 2D differentiated hepatocytes, can be subcultured up to 90 times or more, and exhibit the expandability for maintaining the characteristics of mature hepatocytes even after multiple subcultures, and thus can be usefully utilized for predicting toxicity, regeneration, and inflammatory response, drug screening, and modeling of diseases such as hepatic steatosis.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 29, 2022
    Inventors: Myung Jin SON, Kyung-Sook CHUNG, Seonju MUN, Jae Sung RYU, Cho-Rok JUNG, Hyun-Soo CHO, Dae Soo KIM
  • Patent number: 11456493
    Abstract: The present invention relates to a method for analyzing a degree of impregnation of an electrolyte of an electrode in a battery cell, the method comprising: a battery cell manufacturing step (S1) of preparing a battery cell by injecting an electrolyte into a battery cell including an electrode to be evaluated; a step of charging/discharging the battery cell several times and obtaining a capacity-voltage profile for each cycle (S2); a step of obtaining a differential capacity (dV/dQ) curve obtained by differentiating the capacitance-voltage profile for each cycle with respect to the capacity (S3); and a step of, in the differential capacity curve, determining a cycle at which behavior becomes the same as a time point when impregnation is sufficiently performed (S4).
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: September 27, 2022
    Assignee: LG Energy Solution, Ltd.
    Inventors: Song Yi Han, Young Deok Kim, Dae Soo Kim
  • Publication number: 20220294024
    Abstract: Discussed is a method for manufacturing a secondary battery, the method including an operation (a) of alternately stacking an electrode and a separator to manufacture an electrode assembly; an operation (b) of laminating the electrode assembly at a pressure of 5 kgf/cm2 or more to bond the electrode and the separator, which are provided in the electrode assembly, to each other; an operation (c) of accommodating the electrode assembly in a battery case and injecting an electrolyte into the battery case to seal the battery case, thereby manufacturing a preliminary battery; an operation (d) of charging and discharging the preliminary battery to activate the preliminary battery; and an operation (e) of aging the preliminary battery at a high temperature of 60° C. to 100° C. for 1 hour to 6 hours to thermally treat the preliminary battery.
    Type: Application
    Filed: July 1, 2020
    Publication date: September 15, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hyun Jun CHOI, Soon Ju CHOI, Seok Koo KIM, Young Deok KIM, Dae Soo KIM
  • Publication number: 20220278540
    Abstract: A battery charge and discharge control device according to an embodiment of the present disclosure includes a state-of-charge (SOC) measurer measuring a SOC of a battery and a charge and discharge controller controlling a charging speed of the battery in response to the SOC of the battery being included in a preset SOC section, and the preset SOC section has change in resistance or a change in potential due to ions inserted into a material constituting the battery equal to or greater than a reference value.
    Type: Application
    Filed: January 29, 2021
    Publication date: September 1, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Young Deok KIM, Dae Soo KIM, Hyun Jun CHOI