Patents by Inventor Cheol Hun Lee

Cheol Hun 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: 11928272
    Abstract: A composite panel includes a substrate-less touch sensor panel and a first coupling member coupled to one surface of the touch sensor panel via a first adhesive layer.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: March 12, 2024
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Dohyoung Kwon, Duckkyeom Kim, Ji-yeon Kim, Cheol Hun Lee, Ki Deok Lee
  • Patent number: 11835816
    Abstract: A circuit board for a light-emitting diode assembly includes a substrate layer, a dimming zone column disposed on one surface of the substrate layer, the dimming zone column including dimming zones, each of the dimming zones including a predetermined number of LED landing pads. The dimming zones includes a predetermined number of first dimming zones and a predetermined number of second dimming zones, a first common wiring commonly connected to the first dimming zones and disposed at a first lateral side in a row direction of the dimming zone column, a second common wiring connected to the second dimming zones and disposed at a second lateral side in the row direction opposite to the first lateral side of the dimming zone column, and an individual wiring connected to each of the dimming zones.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: December 5, 2023
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Cheol Hun Lee, Do Hyoung Kwon, Sung Jin Noh
  • Patent number: 11774858
    Abstract: A touch sensor comprises a group pattern having a sensing cell part including a plurality of sensing cell groups in which a plurality of sensing cells are electrically connected and a wiring part formed outside the sensing cell part. The wiring part includes a first sub-wiring part and a second sub-wiring part. The first sub-wiring part has a drawing wire electrically connected to a sensing cell at one end of the sensing cell group. The second sub-wiring part is disposed outside the first sub-wiring part and has a non-drawing wire not electrically connected to the sensing cell part. The non-drawing wires are provided as many as the number of unit patterns repeatedly formed to constitute a large-area touch sensor minus one.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: October 3, 2023
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byoungin Kim, Cheol Hun Lee, Chang Gyeong Lim, Minseok Jang
  • Publication number: 20230297197
    Abstract: A touch sensor and a window laminate comprising the same, and an image display device comprising the same, the touch sensor comprising: a first electrode layer comprising a first main electrode and a first auxiliary electrode; a second electrode layer comprising a second main electrode and a second auxiliary electrode; and an insulating layer between the first electrode layer and the second electrode layer, wherein the insulating layer comprises a contact hole for electrically connecting the first electrode layer and the second electrode layer.
    Type: Application
    Filed: August 9, 2021
    Publication date: September 21, 2023
    Inventors: Cheol-Hun Lee, Do-Hyoung Kwon, Ji-Yeon Kim, Ki-Deok Lee
  • Patent number: 11726627
    Abstract: The present disclosure relates to a touch sensor including: a first mesh electrode layer including: first unit patterns and a first intersecting point; a second mesh electrode layer including: second unit patterns and a second intersecting point; and an insulating layer positioned between the first mesh electrode layer and the second mesh electrode layer and provided with a contact hole, in which at least one of the first unit patterns includes: the second intersecting point in a planar direction, and at least one of the second unit patterns includes: the first intersecting point in the planar direction, and an image display device including the same.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: August 15, 2023
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Cheol-Hun Lee, Do-Hyoung Kwon
  • Publication number: 20230244334
    Abstract: A composite panel includes a substrate-less touch sensor panel and a first coupling member coupled to one surface of the touch sensor panel via a first adhesive layer.
    Type: Application
    Filed: June 30, 2021
    Publication date: August 3, 2023
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Dohyoung KWON, Duckkyeom KIM, Ji-yeon KIM, Cheol Hun LEE, Ki Deok LEE
  • Patent number: 11681182
    Abstract: A circuit board for a light-emitting diode assembly according to an embodiment includes a substrate layer having a first surface and a second surface facing each other, a conductive circuit layer disposed on the first surface of the substrate layer and having a single-layered structure, and an insulating layer formed on the first surface of the substrate layer to cover the conductive circuit layer. Channel resistance, luminous efficiency and luminous uniformity can be improved through a side connection of a dimming zone while vias or contacts are omitted.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: June 20, 2023
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Cheol Hun Lee, Do Hyoung KWon, Sung Jin Noh
  • Patent number: 11630543
    Abstract: A touch sensor according to an embodiment of the present invention includes a substrate layer, first sensing electrode rows and second sensing electrode rows alternately arranged on the substrate layer, first traces extending from left ends of the first sensing electrode rows, the first traces including periodically arranged bent portions, second traces extending from right ends of the second sensing electrode rows, the second traces including periodically arranged bent portions, a first floating trace adjacent to an outermost first trace of the first traces, and a second floating trace adjacent to an outermost second trace of the second traces.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: April 18, 2023
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byoung In Kim, Cheol Hun Lee, Chang Gyeong Lim, Min Seok Jang
  • Patent number: 11625135
    Abstract: A touch sensor includes a first sensing electrode unit formed on a substrate in a first direction and a second sensing electrode unit formed on the substrate in a second direction crossing the first direction. A plurality of micro-etched patterns are formed on a boundary of unit transparent electrodes constituting the first sensing electrode unit and the second sensing electrode unit. The unit transparent electrode has a shape in which a portion of a curve connecting vertices of a polygon is removed, and adjacent unit transparent electrodes are electrically connected to each other. It includes a segmental pattern dividing the first or second sensing electrode unit into two or more areas.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: April 11, 2023
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Dohyoung Kwon, Cheol Hun Lee
  • Patent number: 11599231
    Abstract: The present disclosure relates to a touch sensor including: a first electrode layer including a first main electrode and a first auxiliary electrode formed to be spaced apart from the first main electrode; a second electrode layer including a second main electrode and a second auxiliary electrode formed to be spaced apart from the second main electrode; and an insulating layer positioned between the first electrode layer and the second electrode layer and provided with a contact hole, in which one or more of the first electrode layer and the second electrode layer have a line width of an electrode pattern region corresponding to the contact hole larger than the contact hole, and an image display device including the same.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: March 7, 2023
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Cheol-Hun Lee, Do-Hyoung Kwon
  • Publication number: 20230044317
    Abstract: A circuit board for a light-emitting diode assembly includes a substrate layer, a dimming zone column disposed on one surface of the substrate layer, the dimming zone column including dimming zones, each of the dimming zones including a predetermined number of LED landing pads. The dimming zones includes a predetermined number of first dimming zones and a predetermined number of second dimming zones, a first common wiring commonly connected to the first dimming zones and disposed at a first lateral side in a row direction of the dimming zone column, a second common wiring connected to the second dimming zones and disposed at a second lateral side in the row direction opposite to the first lateral side of the dimming zone column, and an individual wiring connected to each of the dimming zones.
    Type: Application
    Filed: August 9, 2022
    Publication date: February 9, 2023
    Inventors: Cheol Hun LEE, Do Hyoung KWON, Sung Jin NOH
  • Publication number: 20230038765
    Abstract: A circuit board for a light-emitting diode assembly according to an embodiment includes a substrate layer, dimming zones formed on one surface of the substrate layer, each of the dimming zones comprising a predetermined number of LED landing pads, and a wiring bundle disposed between the dimming zones neighboring in a row direction to extend in a column direction, the wiring bundle including wirings connected to the LED landing pads at the same level.
    Type: Application
    Filed: August 9, 2022
    Publication date: February 9, 2023
    Inventors: Cheol Hun LEE, Do Hyoung KWON, Sung Jin NOH
  • Publication number: 20230037537
    Abstract: A circuit board for a light-emitting diode assembly according to an embodiment includes a substrate layer having a first surface and a second surface facing each other, a conductive circuit layer disposed on the first surface of the substrate layer and having a single-layered structure, and an insulating layer formed on the first surface of the substrate layer to cover the conductive circuit layer. Channel resistance, luminous efficiency and luminous uniformity can be improved through a side connection of a dimming zone while vias or contacts are omitted.
    Type: Application
    Filed: August 9, 2022
    Publication date: February 9, 2023
    Inventors: Cheol Hun LEE, Do Hyoung KWON, Sung Jin NOH
  • Patent number: 11556215
    Abstract: A touch sensor comprises a first electrode layer, a second electrode layer, and an insulation layer. The first electrode layer includes first main electrode cells connected and arranged in a first direction and second auxiliary electrode cells separated from the first main electrode cells and arranged separately in a second direction on the same lower plane. The second electrode layer includes first auxiliary electrode cells arranged separately in the first direction and stacked and connected to the first main electrode cells while having the same pattern as the first main electrode cells and second main electrode cells separated from the first auxiliary electrode cells, connected and arranged in a second direction, and stacked and connected to the second auxiliary electrode cells while having the same pattern as the second auxiliary electrode cells, on the same upper plane. The insulation layer is formed between the first electrode layer and the second electrode layer.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: January 17, 2023
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Dohyoung Kwon, Cheol Hun Lee
  • Patent number: 11545776
    Abstract: A joint connector includes a cap, a plug received in the cap in a mounting direction, and a clip mounted along the mounting direction to fix the cap and the plug, wherein the plug comprises a flexible locking element configured to simultaneously fix the cap and the clip. The locking element is connected to the plug deformably in a vertical direction with respect to the plug.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: January 3, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Cheol Hun Lee, Jong Joo Kim, Yo Han Kim, Chan Il Jeon, Kun Teak Lim
  • Patent number: 11467704
    Abstract: A touch sensor according to an embodiment of the present invention includes a substrate layer, sensing electrodes disposed on the substrate layer, an insulating layer covering the sensing electrodes on the substrate layer, a bridge electrode electrically connecting neighboring sensing electrodes of the sensing electrodes on the insulating layer, and floating electrodes distributed around the bridge electrode on the insulating layer.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: October 11, 2022
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Do Hyoung Kwon, Ji Yeon Kim, Ki Deok Lee, Cheol Hun Lee
  • Patent number: 11449184
    Abstract: A touch sensor according to an embodiment of the present invention includes a substrate layer having an active region and a peripheral region, a plurality of sensing channel columns and a plurality of sensing channel rows disposed on the active region of the substrate layer and extending in directions crossing each other, channel column traces branching from the sensing channel columns and extending on the peripheral region, channel row traces branching from the sensing channel rows and extending on the peripheral region, and a trace connector coupling the channel column traces branching from the same sensing channel columns.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: September 20, 2022
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Cheol Hun Lee, Jin Bok Yang
  • Patent number: 11429239
    Abstract: A touch sensor according to an embodiment of the present invention includes a base layer, a bridge electrode disposed on a top surface of the base layer, auxiliary electrodes disposed around the bridge electrode to be physically spaced apart from the bridge electrode, first sensing electrodes electrically connected to each other via the bridge electrode, and second sensing electrodes electrically separated from the first sensing electrodes and arranged in a direction different from an arrangement direction of the first sensing electrodes. A resistance may be decreased and a visual recognition of the bridge electrode may be suppressed using the auxiliary electrodes.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: August 30, 2022
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Do Hyoung Kwon, Ji Yeon Kim, Ki Deok Lee, Cheol Hun Lee
  • Publication number: 20220269374
    Abstract: The present disclosure relates to a touch sensor including: a first electrode layer including a first main electrode and a first auxiliary electrode formed to be spaced apart from the first main electrode; a second electrode layer including a second main electrode and a second auxiliary electrode formed to be spaced apart from the second main electrode; and an insulating layer positioned between the first electrode layer and the second electrode layer and provided with a contact hole, in which one or more of the first electrode layer and the second electrode layer have a line width of an electrode pattern region corresponding to the contact hole larger than the contact hole, and an image display device including the same.
    Type: Application
    Filed: February 18, 2022
    Publication date: August 25, 2022
    Inventors: Cheol-Hun Lee, Do-Hyoung Kwon
  • Publication number: 20220269377
    Abstract: The present disclosure relates to a touch sensor including: a first mesh electrode layer including: first unit patterns and a first intersecting point; a second mesh electrode layer including: second unit patterns and a second intersecting point; and an insulating layer positioned between the first mesh electrode layer and the second mesh electrode layer and provided with a contact hole, in which at least one of the first unit patterns includes: the second intersecting point in a planar direction, and at least one of the second unit patterns includes: the first intersecting point in the planar direction, and an image display device including the same.
    Type: Application
    Filed: February 18, 2022
    Publication date: August 25, 2022
    Inventors: Cheol-Hun Lee, Do-Hyoung Kwon