Patents by Inventor Dong WAN

Dong WAN 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: 11626377
    Abstract: A semiconductor device includes a semiconductor substrate including a chip region and an edge region around the chip region, a lower insulating layer on the semiconductor substrate, a chip pad on the lower insulating layer on the chip region, an upper insulating layer provided on the lower insulating layer to cover the chip pad, the upper and different insulating layers including different materials, and a redistribution chip pad on the chip region and connected to the chip pad. The upper insulating layer includes a first portion on the chip region having a first thickness, a second portion on the edge region having a second thickness, and a third portion on the edge region, the third portion extending from the second portion, spaced from the first portion, and having a decreasing thickness away from the second portion. The second thickness is smaller than the first thickness.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: April 11, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Hoon Han, Dong-Wan Kim, Dongho Kim, Jaewon Seo
  • Publication number: 20230104947
    Abstract: The present disclosure pertains to a board connector comprising a plurality of RF contacts; an insulating part; a plurality of transmission contacts coupled to the insulating part between a first RF contact and a second RF contact, such that the RF contacts are spaced from each other in a first axial direction; and a ground housing to which the insulating part is coupled, the ground housing comprising a ground inner wall, a ground outer wall, and a ground connection wall coupled to each of the ground inner and outer walls, wherein the ground inner and outer walls are double-shielding walls surrounding the side of an inner space, the RF contacts are located in the inner space surrounded by the double-shielding walls, and each of the ground inner and outer walls contacts the ground housing of a counter connector inserted into the inner space.
    Type: Application
    Filed: February 5, 2021
    Publication date: April 6, 2023
    Inventors: Sang Jun OH, In Duk SONG, Seok LEE, Hyun Joo HWANG, Dong Wan KIM
  • Patent number: 11612552
    Abstract: The present invention relates to a composition for surface modification. The composition for surface modification according to the present invention contains a particular carbodiimide-based compound, thus forms a covalent bond without damaging skin, hair, or fabric, and semipermanently provides desired skin or hair surface modification effects or fabric care effects.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: March 28, 2023
    Inventors: Seong Kil Son, Kyoung Ran Park, Dong Wan Kim, Kyung Hwan Kim, Ji Hee Yoo, Young Hyun Kim, Jeong Rae Lee, Sang Min Lee
  • Patent number: 11616202
    Abstract: A compound represented by a combination of Chemical Formula 1 and Chemical Formula 2 bonded together, a composition including the compound, an organic optoelectronic device, and a display device are disclosed. In Chemical Formula 1 and Chemical Formula 2, each substituent is the same as described in the specification.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: March 28, 2023
    Assignees: Samsung SDI Co., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Seungjae Lee, Changwoo Kim, Byungku Kim, Hyung Sun Kim, Dong Wan Ryu, Chang Ju Shin, Kipo Jang, Min Seok Seo, Sung-Hyun Jung
  • Publication number: 20230088314
    Abstract: The present invention relates to a composition for surface modification. The composition for surface modification according to the present invention contains a particular carbodiimide-based compound, thus forms a covalent bond without damaging skin, hair, or fabric, and semipermanently provides desired skin or hair surface modification effects or fabric care effects.
    Type: Application
    Filed: October 14, 2022
    Publication date: March 23, 2023
    Applicant: LG Household & Health Care Ltd.
    Inventors: Seong Kil Son, Kyoung Ran Park, Dong Wan Kim, Kyung Hwan Kim, Ji Hee Yoo, Young Hyun Kim, Jeong Rae Lee, Sang Min Lee
  • Patent number: 11591667
    Abstract: Provided is a high-strength steel sheet having high impact resistance. The steel sheet includes: by weight %, carbon (C): 0.05% to 0.14%, silicon (Si): 0.01% to 1.0%, manganese (Mn): 1.5% to 2.5%, aluminum (Al): 0.01% to 0.1%, chromium (Cr): 0.005% to 1.0%, phosphorus (P): 0.001% to 0.05%, sulfur (S): 0.001% to 0.01%, nitrogen (N): 0.001% to 0.01%, niobium (Nb): 0.005% to 0.06%, titanium (Ti): 0.005% to 0.11%, and the balance of iron (Fe) and inevitable impurities. The steel sheet has a microstructure comprising ferrite and bainite in a total area fraction of 90% or more. The steel sheet has a value of 0.05 to 1.0 as a shear texture ({110}<112>, {112}<111>) area ratio of a center region (ranging deeper than 1/10t to ½t in a thickness direction, t refers to thickness (mm)) and a surface region (ranging from a surface to 1/10t in the thickness direction).
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: February 28, 2023
    Assignee: POSCO CO., LTD
    Inventors: Sung-Ii Kim, Hyun-Taek Na, Dong-Wan Kim
  • Publication number: 20230056967
    Abstract: The present disclosure pertains to a board connector comprising a plurality of radio frequency (RF) contacts for transmitting RF signals; an insulating part supporting the RF contacts; a plurality of transmission contacts coupled to the insulating part and between a first RF contact and a second RF contact, such that the first RF contact and the second RF contact are spaced in a first axial direction; and a grounding housing to which the insulating part is coupled, the grounding housing comprising an inner grounding wall, an outer grounding wall spaced apart from the inner grounding wall, and a grounding connection wall coupled to each of the inner and outer grounding walls, wherein the inner and outer grounding walls are double-shielding walls that surround the side of an inner space, and the first RF contact and the second RF contact are placed in the inner space surrounded by the double-shielding walls.
    Type: Application
    Filed: February 5, 2021
    Publication date: February 23, 2023
    Inventors: Dong Wan KIM, Hyun Joo Hwang, In Duk SONG, Sang Jun OH, Seok LEE
  • Publication number: 20230049302
    Abstract: A pressure measuring unit including: a body part configured to have an upper surface, a lower surface, and a plurality of side surfaces; a connector part configured to be provided to at least one side surface among the plurality of side surfaces of the body part; a pressure measuring part coupled to the upper surface of the body part and configured to measure a pressure applied toward the upper surface of the body part from the outside to generate a pressure value; and a control part connected to the pressure measuring part to receive the measured pressure value from the pressure measuring part and configured to output the received pressure value to a communication line connected thereto.
    Type: Application
    Filed: June 23, 2021
    Publication date: February 16, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Do-Yul KIM, Dong-Wan KO, Ki-Young LEE
  • Publication number: 20230052447
    Abstract: An apparatus for measuring a pressure of battery cells includes a pressure sensor configured to measure the pressure of battery cells stacked in the interior of a battery module, the pressure sensor includes a plurality of pressure measuring units, a connection unit for connecting the plurality of pressure measuring units to each other, and an output unit connected to the connection unit and configured to output pressure values measured through the pressure measuring units, and the plurality of pressure measuring units are arranged on surfaces of the battery cells to measure the pressure of the battery cells.
    Type: Application
    Filed: December 8, 2020
    Publication date: February 16, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ki Young Lee, Dong Wan Ko, Doyul Kim
  • Publication number: 20230046208
    Abstract: Discussed is an apparatus for inspecting swelling of a battery cell, the apparatus including a first plate configured in a plate shape; a second plate configured in a plate shape and located to face the first plate to be spaced therefrom by a predetermined interval, the second plate being configured so that the battery cell is to be interposed between the first plate and the second plate; a fixing frame configured so that a portion of the first plate is fixedly coupled thereto; a connection frame having one end fixedly coupled to the second plate and another end fixedly coupled to the fixing frame; and a measuring element attached to the connection frame and configured to measure a deformation rate of the connection frame based on the swelling of the battery cell.
    Type: Application
    Filed: March 3, 2021
    Publication date: February 16, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Do-Yul KIM, Dong-Wan KO, Ki-Young LEE
  • Publication number: 20230041059
    Abstract: A semiconductor device may include a substrate including a cell region, a peripheral region, and a boundary region between the cell region and the peripheral region, bit lines provided on the cell region and extended in a first direction parallel to a top surface of the substrate, bit line capping patterns provided on the bit lines, and a boundary pattern provided on the boundary region. End portions of the bit lines may be in contact with a first interface of the boundary pattern, and the bit line capping patterns may include the same material as the boundary pattern.
    Type: Application
    Filed: July 5, 2022
    Publication date: February 9, 2023
    Inventors: DONG-WAN KIM, Keonhee PARK, DONG-SIK PARK, Joonsuk PARK, JIHOON CHANG, HYEON-WOO JANG
  • Publication number: 20230045674
    Abstract: A semiconductor device may include a substrate including a cell region and a peripheral region, a gate stack on the peripheral region, an interlayer insulating layer on the gate stack, peripheral circuit interconnection lines on the interlayer insulating layer, and an interconnection insulating pattern between the peripheral circuit interconnection lines. The interconnection insulating pattern may include a pair of vertical portions spaced apart from each other in a first direction parallel to a top surface of the substrate and a connecting portion connecting the vertical portions to each other. Each of the vertical portions of the interconnection insulating pattern may have a first thickness at a same level as top surfaces of the peripheral circuit interconnection lines and a second thickness at a same level as bottom surfaces of the peripheral circuit interconnection lines. The first thickness may be substantially equal to the second thickness.
    Type: Application
    Filed: May 6, 2022
    Publication date: February 9, 2023
    Inventors: Hyeon-Woo Jang, Dong-Wan Kim, Keonhee Park, Dong-Sik Park, Joonsuk Park, Jihoon Chang
  • Publication number: 20230039149
    Abstract: Disclosed are semiconductor devices and their fabrication methods. The semiconductor device comprises a substrate including a peripheral block and cell blocks each including a cell center region, a cell edge region, and a cell middle region, and bit lines extending on each cell block in a first direction. The bit lines include center bit lines, middle bit lines, and edge bit lines. The bit line has first and second lateral surfaces opposite to each other in a second direction. The first lateral surface straightly extends along the first direction on the cell center region, the cell middle region, and the cell edge region. The second lateral surface straightly extends along the first direction on the cell center region and the cell edge region, and the second lateral surface extends along a third direction, that intersects the first direction and the second direction, on the cell middle region.
    Type: Application
    Filed: May 18, 2022
    Publication date: February 9, 2023
    Inventors: Dong-Wan KIM, Keonhee PARK, Dong-Sik PARK, Joonsuk PARK, Jihoon CHANG, Hyeon-Woo JANG
  • Publication number: 20230039205
    Abstract: Disclosed are semiconductor memory devices and their fabrication methods. The method comprises providing a substrate including a cell array region and a boundary region, forming a device isolation layer that defines active sections on an upper portion of the substrate on the cell array region, forming an intermediate layer on the substrate on the boundary region, forming on the substrate an electrode layer that covers the intermediate layer on the boundary region, forming a capping layer on the electrode layer, forming an additional capping pattern including providing a first step difference to the capping layer on the boundary region, and allowing the additional capping pattern, the capping layer, and the electrode layer to proceed an etching process to form bit lines that run across the active sections. During the etching process, the electrode layer is simultaneously exposed on the cell array region and the boundary region.
    Type: Application
    Filed: April 19, 2022
    Publication date: February 9, 2023
    Inventors: Hyeon-Woo Jang, Dong-Wan Kim, Keonhee Park, Dong-sik Park, Joonsuk Park, Jihoon Chang
  • Publication number: 20230038972
    Abstract: An apparatus for measuring a pressure of battery cells includes: a battery cell; a pressure sensor configured to measure the surface pressure of the battery cell; and a first plate arranged between the battery cell and the pressure sensor so as to be in contact with the battery cell and the pressure sensor.
    Type: Application
    Filed: August 4, 2021
    Publication date: February 9, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ki Young Lee, Dong Wan Ko, Doyul Kim
  • Publication number: 20230033916
    Abstract: Discussed is a battery swelling inspection apparatus including a first plate configured in a plate shape; a second plate configured in a plate shape and located to face the first plate; a fixing frame configured such that a portion of the first plate and a portion of the second plate are fixedly coupled thereto; a plurality of pressure measuring elements fixedly coupled to the first plate, having a head located to face the second plate, and configured to measure a pressure applied to the head, respectively; and a plurality of pressing members configured to have a second surface in a flat shape so that the second surface faces the second plate and have a first surface that is at least partially attached to the head of each of the plurality of pressure measuring elements.
    Type: Application
    Filed: March 3, 2021
    Publication date: February 2, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Do-Yul KIM, Dong-Wan KO, Ki-Young LEE
  • Publication number: 20230025923
    Abstract: Discussed is a battery swelling inspection apparatus, including an upper plate; a lower plate located to face the upper plate; a fixing frame to which a portion of the upper plate and a portion of the lower plate are fixedly coupled thereto; a pressure measurer located on at least one of an upper portion and a lower portion of the lower plate and to measure a first pressure value applied from the battery toward the lower plate; and a pressure measuring pad having a coupling surface and a measuring surface, the coupling surface coupled to a lower surface of the upper plate or an upper surface of the lower plate and the measuring surface located at a side opposite to the coupling surface to face the battery and a pressure being applied from the battery to at least a portion of the measuring surface.
    Type: Application
    Filed: April 29, 2021
    Publication date: January 26, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Dong-Wan KO, Do-Yul KIM, Ki-Young LEE
  • Patent number: 11563179
    Abstract: The present invention relates to a compound represented by formula 1, an organic optoelectronic element comprising the same, and a display device comprising the organic optoeletric element. Formula 1 and the description regarding the samen are as defined in the specification.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: January 24, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong-Wan Ryu, Young-Kyoung Jo, Sung-Hyun Jung, Chang-Ju Shin, Han-Ill Lee, Eui-Su Kang, Chang-Woo Kim, Min-Jee Park, Eun-Sun Yu, Pyeong-Seok Cho
  • Patent number: 11545536
    Abstract: A display apparatus includes a lower substrate including a display area, a peripheral area and a pad area, a display structure disposed in the display area on the lower substrate, an upper substrate disposed on the display structure, a plurality of driving circuits disposed at a side of the pad area on the lower substrate and spaced apart from each other, a plurality of fan-out wires disposed between the plurality of driving circuits and the display structure in the pad area and the peripheral area on the lower substrate and electrically connecting the plurality of driving circuits and the display structure, and a functional module disposed on a bottom surface of the lower substrate. A first opening is formed in the lower substrate and disposed between adjacent ones of the plurality of fan-out wires, and the first opening and the functional module overlap each other.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Hye Eom, Dong Wan Choi
  • Publication number: 20220386607
    Abstract: The present invention relates to a novel nicotinamide compound, a method for preparing the same, and a herbicide comprising the compound. The compound of the present invention is useful as a herbicide for foliar treatment or soil treatment because it has high safety for wheat or corn and has excellent herbicidal activity against grassy weeds, sedge weeds or broadleaf weeds.
    Type: Application
    Filed: October 21, 2020
    Publication date: December 8, 2022
    Inventors: Young Kwan KO, Eun Ae KIM, Ill Young LEE, Hee Nam LIM, Jung Sub CHOI, Jee Hee SUH, Nack Jeong KIM, Dong Wan KOO, Hyun Jin KIM, Gyu Hwan YON, Jae Deok KIM, Seungae OH, So-Young LEE, Chan Yong PARK, Yun Kyoung HWANG, Byung Hoon AHN, Ah Reum KIM, Hye Ji HAN, Sungjun PARK, Junhyuk CHOI, Jisoo LIM, Mi Sook HONG