Patents by Inventor Jong-chan Lee

Jong-chan 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).

  • Publication number: 20250253309
    Abstract: An electrode for a secondary battery including a current collector, and at least one electrode material mixture layer on a surface of the current collector, the electrode material mixture layer including a negative electrode active material, a conductive agent, and a binder wherein, the electrode has a property such that in a regression curve obtained by regression analysis of shear strength data according to a cutting depth which are measured while obliquely cutting the electrode material mixture layer from a surface thereof until reaching the current collector using a surface and interfacial cutting analysis system (SAICAS), a ratio of a maximum value (?max) to a minimum value (?min) of shear strength is 1.7 or less.
    Type: Application
    Filed: April 22, 2025
    Publication date: August 7, 2025
    Inventors: In Young SONG, Joo Yul Baek, Jeong Kyu Lee, Sung Joon Oh, Jong Chan Lee
  • Patent number: 12376378
    Abstract: A display device includes: a substrate having an emission area and a non-emission area; a first bank in the non-emission area of the substrate and having an opening; electrodes on the first bank and spaced apart from each other; a second bank on the electrodes; and light emitting elements on the second bank between the electrodes. The second bank has a first area overlapping the light emitting elements and a second area in the opening in the first bank.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: July 29, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Chan Lee, Jin Taek Kim, Hyun Kim, Jeong Su Park, Woong Hee Jeong, Jung Eun Hong
  • Patent number: 12356830
    Abstract: A display device includes: a substrate having an opening area, a peripheral area surrounding the opening area, and a display area surrounding the peripheral area; a transistor disposed on the substrate; a first electrode electrically connected to the transistor; an emission layer disposed on the first electrode; a second electrode disposed on the emission layer; a first encapsulation inorganic layer, an encapsulation organic layer, and a second encapsulation inorganic layer disposed on the second electrode; and an electronic module disposed in the opening area, wherein in the peripheral area, the second electrode has a first opening exposing the emission layer, and the first encapsulation inorganic layer has a second opening exposing the emission layer.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: July 8, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Kim, Jin Taek Kim, Jeong Su Park, Jong Chan Lee, Woong Hee Jeong, Jung Eun Hong
  • Publication number: 20250219196
    Abstract: Battery assemblies are disclosed. In an embodiment, a battery assembly includes a case, a plurality of battery cells accommodated in a first inner space of the case, and a plurality of particle-shaped insulating materials accommodated in a second inner space of the case.
    Type: Application
    Filed: December 23, 2024
    Publication date: July 3, 2025
    Inventors: Ji San KIM, Bon Seok KU, Yun Kyung MIN, Jong Chan LEE, Hyun Kyu LEE, Jin A. JANG
  • Patent number: 12336388
    Abstract: A method for fabricating a thin film transistor comprises disposing a semiconductor layer including a channel area, and a first and second electrode areas, disposing a gate insulating layer covering the semiconductor layer, disposing a diffusion barrier layer covering the gate insulating layer, disposing first and second electrode holes corresponding to the first and second electrode areas, and disposing a gate electrode overlapping the channel area, first and second electrodes electrically connected to the first and second electrode areas through the first and second electrode holes. The disposing of the first electrode hole, and the second electrode hole includes patterning the diffusion layer with a patterning mask disposed on the diffusion barrier layer. The disposing of the gate electrode and the first and second electrodes may include disposing a conductive material layer covering the diffusion barrier layer, and patterning the conductive material layer.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: June 17, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong Chan Lee, Jung Eun Hong, Jin Taek Kim, Hyun Kim, Jeong Su Park, Woong Hee Jeong
  • Publication number: 20250194378
    Abstract: A display device is disclosed that includes a first substrate, a spacer disposed on the first substrate and including a side surface having a reverse tapered shape in a cross-sectional view, a protection pattern disposed on the spacer, and a second substrate disposed on the protection pattern and spaced apart from the first substrate to define a space.
    Type: Application
    Filed: December 11, 2024
    Publication date: June 12, 2025
    Inventors: DONGHYEOK LEE, KWANHEE LEE, MOOSOON KO, Jonghwan Shin, YONGHO YANG, YURI OH, KI-BOK YOO, JONG CHAN LEE, JIN-SUK LEE
  • Publication number: 20250172344
    Abstract: The present invention relates to a heat exchanger in which, in order to cool a vehicle engine or motor and to cool air conditioning refrigerant, a plurality of radiators and condensers are integrally configured. By the present invention, through a structure of a header tank, which overcomes the limitation to the degree of freedom in design, the limitation being caused by the aluminum material from which a heat exchanging part and the header tank are made, interference of an inlet-outlet port configured at a header tank can be avoided.
    Type: Application
    Filed: April 3, 2023
    Publication date: May 29, 2025
    Inventors: Sang Ouk Lee, Sung Hong Shin, Hyunkeun Shin, Jong Chan Lee, Hong-Young Lim, Ji Hun Han
  • Patent number: 12315866
    Abstract: A display device includes a substrate, first and second bridge electrodes on the substrate and spaced apart from each other, a first electrode on the first bridge electrode, a second electrode on the second bridge electrode and spaced apart from the first electrode, a first insulating layer on the first electrode and the second electrode, a light emitting element on the first insulating layer, and on the first electrode and the second electrode, a first connection electrode on the first electrode, and contacting the light emitting element and the first bridge electrode, and a second connection electrode on the second electrode, and contacting the light emitting element and the second bridge electrode, wherein the first electrode directly contacts the first bridge electrode, and is separated from the first connection electrode, and wherein the second electrode directly contacts the second bridge electrode, and is separated from the second connection electrode.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: May 27, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myeong Hun Song, Jong Chan Lee, Hyun Kim, Jeong Kook Wang, In Woo Kim, Seung Jin Chu, Jeong Su Park, Yong Tae Cho
  • Patent number: 12279481
    Abstract: A display device includes a first electrode and a second electrode extending in a first direction and spaced apart from each other in a second direction, a first insulating layer disposed on the first electrode and the second electrode, a bank layer disposed on the first insulating layer and comprising an outer bank part extending in the first direction and the second direction and inner bank parts extending in the first direction in an area surrounded by the outer bank part, a second insulating layer disposed on the inner bank parts and the first insulating layer, and light emitting elements disposed on the second insulating layer between the inner bank parts, wherein each of the inner bank parts is connected to a part of the outer bank part extending in the second direction.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: April 15, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: No Kyung Park, Hyun Kim, Do Yeong Park, Jeong Su Park, Myeong Hun Song, Jeong Kook Wang, Jong Chan Lee
  • Patent number: 12272769
    Abstract: A display device and a method of manufacturing the same are provided. The display device includes a pixel including an emission area and a non-emission area, a transistor of the pixel, a protective layer on the transistor, and including an opening area overlapping the non-emission area, alignment electrodes on the protective layer and spaced apart from each other, light emitting elements between respective ones of the alignment electrodes in the emission area, and a connection electrode electrically connected to the light emitting elements, and electrically connected to the transistor in the opening area.
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: April 8, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Wook Lee, Hyun Kim, Jeong Su Park, Jong Chan Lee, Jung Eun Hong
  • Patent number: 12266789
    Abstract: The present disclosure relates to a positive electrode active material, a preparation method thereof, and a lithium-sulfur battery including the same, more particularly to a positive electrode active material including a particulate structure of a core-shell structure which comprises a core part and a shell part covering the whole surface or a part of the surface of the core part, wherein the core part comprises a sulfur compound, and the shell part comprises a polythiophene acetic acid-polyethylene glycol graft copolymer. The positive electrode active material of the present disclosure has excellent electrochemical reactivity and adsorbs lithium polysulfide to improve capacity and lifetime characteristics of the lithium-sulfur battery.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: April 1, 2025
    Assignees: LG Energy Solution, Ltd., Seoul National University R&DB Foundation
    Inventors: Soohyun Kim, Jong-Chan Lee, Kihyun Kim, Kwonnam Sohn, Daun Jeong, Chan Yeong Koong
  • Publication number: 20250105233
    Abstract: A display device and a method of fabricating a display device. The display device includes a substrate including an emission area and a subarea adjacent to the emission area, a bank disposed in the emission area of the substrate, a height difference compensation pattern disposed in the subarea of the substrate, a first electrode and a second electrode that are disposed on the bank, the first electrode and the second electrode being spaced apart from each other, and a light-emitting element disposed in the emission area, between the first electrode and the second electrode.
    Type: Application
    Filed: December 11, 2024
    Publication date: March 27, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jong Chan LEE, Jeong Hyun LEE, Hyun KIM, Jung Gun NAM, Jang Soon PARK, Jeong Su PARK, Sung Geun BAE, Myeong Hun SONG, Da Sol JEONG, Won Hyeong HEO
  • Publication number: 20250093114
    Abstract: The present invention relates to a composite heat exchanger for an electric vehicle. The objective of the present invention is to provide an integrated composite heat exchanger that allows a plurality of heat exchange media to be distributed in each area, and to provide a composite heat exchanger for an electric vehicle that obtains effects, by means of integration, such as reducing the number of components and the number of processes, improving refrigerant flow characteristics, and improving cooling efficiency, and in addition, the problem of concentration of thermal stress caused by the integration of the heat exchanger is resolved by means of improving the shape of the area boundary.
    Type: Application
    Filed: December 5, 2022
    Publication date: March 20, 2025
    Inventors: Sang Ouk LEE, Hyunkeun SHIN, Hong-Young LIM, Gwang Ok KO, Sung Hong SHIN, Jong Chan LEE, Ji Hun HAN
  • Patent number: 12244035
    Abstract: Provided is a battery assembly including: a battery housing; a battery cell assembly including a plurality of battery cells which are stacked and placed in the housing and are electrically connected; and a heat dissipation resin layer, and the battery assembly has minimized cell damage due to a swelling phenomenon occurring in a battery cell and an improved module life by controlling the physical properties of the low-hardness heat dissipation resin layer.
    Type: Grant
    Filed: April 24, 2024
    Date of Patent: March 4, 2025
    Assignee: SK ON CO., LTD.
    Inventors: Ji San Kim, Yun Kyung Min, Seo Roh Rhee, Jong Chan Lee
  • Publication number: 20250055114
    Abstract: The present disclosure relates to a battery module capable of improving structural rigidity while effectively suppressing heat or flame from spreading. In detail, there is provided a battery module in which a plurality of secondary battery cells are accommodated in a housing member including an upper case, a lower case, and a side cover that are coupled to each other through a fastening part, in which the upper case is made of a retardant composite material including an insulating layer that includes a long inorganic fiber network and an organic binder formed by weaving a plurality of first fibers (weft) arranged in a first direction and a plurality of second fibers (warp) arranged in a second direction intersecting the first direction.
    Type: Application
    Filed: August 9, 2024
    Publication date: February 13, 2025
    Inventors: Jong Chan LEE, Chi Min PARK
  • Patent number: 12219818
    Abstract: A display device includes a plurality of outer banks extending in a first direction and are spaced from one another in a second direction that intersects the first direction, first and second bank parts spaced from the plurality of outer banks in the second direction between the outer banks, and spaced from each other in the first direction, first and second inner banks extending in the first direction between the plurality of outer banks, the first and second inner banks being spaced from each other in the second direction, first and second electrodes on the first and second inner banks, respectively, and spaced from each other in the second direction, light-emitting elements having first end portions on one of the first and second electrodes, the light-emitting elements being arranged along the first direction, and a first insulating layer including a first pattern portion between the first and second inner banks.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: February 4, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Geun Bae, Jang Soon Park, Jeong Hyun Lee, Jong Chan Lee, Da Sol Jeong, Won Hyeong Heo
  • Patent number: 12205959
    Abstract: A display device includes a first electrode and a second electrode spaced apart from each other, each of the first electrode and the second electrode including an electrode base layer, a main electrode layer disposed on the electrode base layer, and an electrode upper layer disposed on a portion of the main electrode layer, a first insulating layer disposed on the first electrode and the second electrode, light-emitting elements disposed on the first electrode and the second electrode on the first insulating layer, a first connecting electrode electrically contacting the light-emitting elements, and a second connecting electrode electrically contacting the light-emitting elements. The first electrode includes a first part, the second electrode includes a second part, and the light-emitting elements are disposed on the first part and the second part.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: January 21, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong Chan Lee, Hyun Kim, Jeong Su Park, Jeong Kook Wang, Hyun Wook Lee, Yong Tae Cho
  • Patent number: 12191424
    Abstract: A display device includes a pixel, which includes at least one first light emitting element disposed between a first electrode and a second electrode; at least one second light emitting element disposed between a second electrode and a third electrode; at least one third light emitting element disposed between a third electrode and a fourth electrode; a first intermediate electrode disposed on the second electrode and electrically connected to the at least one first light emitting element and the at least one second light emitting element; and a second intermediate electrode disposed on the fourth electrode and electrically connected to the at least one third light emitting elements. The first intermediate electrode and the second intermediate electrode are electrically connected to each other.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: January 7, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeong Hyun Lee, Sung Geun Bae, Myeong Hun Song, Jong Chan Lee, Tae Hee Lee, Kyung Ah Choi
  • Publication number: 20250007044
    Abstract: An exemplary embodiment of the present disclosure may provide a battery module including a plurality of secondary battery cells housed in a housing member, wherein a flame-retardant composite material is located between the plurality of secondary battery cells, and the flame-retardant composite material includes an insulating layer containing an organic binder and an inorganic long fiber network formed by weaving a plurality of first fibers (wefts) arranged in a first direction and a plurality of second fibers (warps) arranged in a second direction intersecting the first direction.
    Type: Application
    Filed: June 20, 2024
    Publication date: January 2, 2025
    Inventors: Jong Chan LEE, Chi Min PARK, Ju Young JEONG
  • Patent number: 12183926
    Abstract: A polymer material for a lithium secondary battery having ionic conductivity and electronic conductivity at the same time, and a method for preparing the same. The polymer material includes a polythiophene-based polymer and a conductive polymer, and the polymer material may be formed by forming a polythiophene-based polymer, forming a conductive polymer, and heat-treating the polythiophene-based polymer and the conductive polymer.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: December 31, 2024
    Assignees: LG ENERGY SOLUTION, LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Jonghyun Chae, Jong-Chan Lee, Yeonju Lee, Daeil Kim, Lucia Kim, Jehoon Lee, Na Kyung Kim, Daun Jeong