Patents by Inventor Won-Chul Lee

Won-Chul 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: 20250069696
    Abstract: A method for detecting minimal residual disease using tumor information is provided, including acquiring first sequencing data associated with a first sample from a patient, acquiring second sequencing data associated with a second sample from the patient, acquiring third sequencing data associated with a third sample from the patient, and performing detection of minimal residual disease for the patient based on the first sequencing data, the second sequencing data, and the third sequencing data.
    Type: Application
    Filed: November 30, 2023
    Publication date: February 27, 2025
    Applicant: Inocras Korea Inc.
    Inventors: Young Seok JU, Won-Chul LEE
  • Patent number: 12035908
    Abstract: The present invention relates to a laparoscopic stapler for suturing body tissue cut during laparoscopic surgery, and more particularly, to a laparoscopic stapler in which implant binding pins to be continuously fired can be correctly positioned using an implant alignment unit for aligning an implant assembly, and an implant assembly pressing member. Therefore, malfunctioning is prevented, and implant loading, transport, and discharge can proceed smoothly.
    Type: Grant
    Filed: September 29, 2022
    Date of Patent: July 16, 2024
    Assignee: ROOTLOC CO., LTD.
    Inventors: Yoo Min Lee, Won Chul Lee, Yoo Heun Lee, Soon Seok Seo
  • Patent number: 11842076
    Abstract: A storage system includes a storage device and an overlap checker. The overlap checker receives I/O commands of the storage device, extracts characteristics of the received I/O commands, issues a first merge command including N first I/O commands among the I/O commands in response to the extracted characteristics, wherein ā€˜N’ is a natural number greater than 1. And each of the first I/O commands instructs operation on a position corresponding to an offset in a region of the storage device corresponding to a logical address, wherein the characteristics of the I/O commands include the logical address and the offset.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: December 12, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Chul Lee, Mun Seop Lim
  • Publication number: 20230363149
    Abstract: A semiconductor memory device may include a substrate including a cell region and a peripheral region defined around the cell region, and a gate structure which may include sequentially stacked first, second, and third conductive layers including different materials, the first conductive layer including polysilicon. A capping layer may be on the third conductive layer, and a spacer may be on a sidewall of each of the first to third conductive layers and the capping layer. A first contact may extend through the capping layer and into the third conductive layer, with the first contact in contact with the second conductive layer, and separated from the first conductive layer. The first contact may include a first portion in the third conductive layer and a second portion in the capping layer. A width of the first portion may be greater than a width of the second portion in a horizontal direction.
    Type: Application
    Filed: December 8, 2022
    Publication date: November 9, 2023
    Inventors: So Hyeon Bae, Won Chul Lee, Byeong Jun Bae
  • Publication number: 20230013368
    Abstract: The present invention relates to a laparoscopic stapler for suturing body tissue cut during laparoscopic surgery, and more particularly, to a laparoscopic stapler in which implant binding pins to be continuously fired can be correctly positioned using an implant alignment unit for aligning an implant assembly, and an implant assembly pressing member. Therefore, malfunctioning is prevented, and implant loading, transport, and discharge can proceed smoothly.
    Type: Application
    Filed: September 29, 2022
    Publication date: January 19, 2023
    Applicant: ROOTLOC CO., LTD.
    Inventors: Yoo Min LEE, Won Chul LEE, Yoo Heun LEE, Soon Seok SEO
  • Publication number: 20220308795
    Abstract: A storage system includes a storage device and an overlap checker. The overlap checker receives I/O commands of the storage device, extracts characteristics of the received I/O commands, issues a first merge command including N first I/O commands among the I/O commands in response to the extracted characteristics, wherein ā€˜N’ is a natural number greater than 1. And each of the first I/O commands instructs operation on a position corresponding to an offset in a region of the storage device corresponding to a logical address, wherein the characteristics of the I/O commands include the logical address and the offset.
    Type: Application
    Filed: September 17, 2021
    Publication date: September 29, 2022
    Inventors: WON CHUL LEE, MUN SEOP LIM
  • Patent number: 11415836
    Abstract: Provided is a polarizing plate and a display device. The polarizing plate has excellent durability against an external environment, for example, moisture, due to a protective film of a polarizer, and can prevent color distortion upon observation with polarized sunglasses, and a display device comprising the polarizing plate.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: August 16, 2022
    Inventors: Tae Woo Kim, Jin Yong Park, Won Chul Lee, Jun Cheol Shin, Ki Jun Jung, Jae Min Choi
  • Patent number: 11262789
    Abstract: A curved display device may include a display panel and a chassis member. The display panel may include a first edge and a second edge. The first edge may be longer than the second edge and may be convex in a back direction. The second edge may be convex in an image-displaying direction. The back direction and the image-displaying direction may be with reference to the display panel. The chassis member may be coupled to the display panel and may support the display panel.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: March 1, 2022
    Inventors: Yu Bin Kim, Won Chul Lee
  • Patent number: 11209693
    Abstract: Provided is a liquid crystal display comprising: a liquid crystal cell; an upper polarizing plate provided on one surface of the liquid crystal cell and including a first polarizer and a low moisture-permeable film disposed on one surface of the first polarizer so as to face the liquid crystal cell; and a lower polarizing plate provided on the other surface of the liquid crystal cell and including a second polarizer, wherein a ratio of a shrinkage force in a direction parallel to the absorption axis of the second polarizer of the low moisture-permeable film to a shrinkage force in an absorption-axial direction of the second polarizer is 30% or more.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: December 28, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Jae Min Choi, Jin Yong Park, Sang Hyun Nah, Won Chul Lee, Jun Cheol Shin
  • Patent number: 11106065
    Abstract: A display device includes a backlight unit and a display panel. The backlight unit includes a bottom chassis that includes a fixing surface curved to have a shape that corresponds to a graph of a sine function, a light guide member that includes a light exit surface curved to have a shape that corresponds to the fixing surface, and a light source that provides light to the light guide member. The display panel includes a display surface curved to have a shape that corresponds to the light exit surface.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: August 31, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dongjin Park, Jingyu Sim, Junggil Oh, Kwangsun You, Won-Chul Lee, Byoungjin Jin, Jonghyeon Choi
  • Publication number: 20210132652
    Abstract: A curved display device may include a display panel and a chassis member. The display panel may include a first edge and a second edge. The first edge may be longer than the second edge and may be convex in a back direction. The second edge may be convex in an image-displaying direction. The back direction and the image-displaying direction may be with reference to the display panel. The chassis member may be coupled to the display panel and may support the display panel.
    Type: Application
    Filed: September 16, 2020
    Publication date: May 6, 2021
    Inventors: Yu Bin KIM, Won Chul LEE
  • Publication number: 20210048708
    Abstract: Provided is a liquid crystal display comprising: a liquid crystal cell; an upper polarizing plate provided on one surface of the liquid crystal cell and including a first polarizer and a low moisture-permeable film disposed on one surface of the first polarizer so as to face the liquid crystal cell; and a lower polarizing plate provided on the other surface of the liquid crystal cell and including a second polarizer, wherein a ratio of a shrinkage force in a direction parallel to the absorption axis of the second polarizer of the low moisture-permeable film to a shrinkage force in an absorption-axial direction of the second polarizer is 30% or more.
    Type: Application
    Filed: September 20, 2019
    Publication date: February 18, 2021
    Inventors: Jae Min CHOI, Jin Yong PARK, Sang Hyun NAH, Won Chul LEE, Jun Cheol SHIN
  • Patent number: 10823892
    Abstract: The present application relates to a device for testing optical properties and a method for testing optical properties using the same. The device of the present application has inexpensive manufacturing and maintenance costs, is capable of testing a wide range of plane directional phase differences, and provides the method for testing optical properties with improved identification efficiency of the phase retardation axis.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: November 3, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Min Yeong Jo, Jin Yong Park, Dong Min Park, Won Chul Lee, Ki Jun Jung
  • Publication number: 20200341316
    Abstract: Provided is a polarizing plate and a display device. The polarizing plate has excellent durability against an external environment, for example, moisture, due to a protective film of a polarizer, and can prevent color distortion upon observation with polarized sunglasses, and a display device comprising the polarizing plate.
    Type: Application
    Filed: March 27, 2019
    Publication date: October 29, 2020
    Inventors: Tae Woo KIM, Jin Yong PARK, Won Chul LEE, Jun Cheol SHIN, Ki Jun JUNG, Jae Min CHOI
  • Patent number: 10756091
    Abstract: A semiconductor device is provided. The semiconductor device includes a substrate which includes a cell region including first and second regions, and a peri region more adjacent to the second region than adjacent to the first region, first and second lower electrodes disposed in the first and second regions, respectively, first and second lower support patterns disposed on outer walls of the first and second lower electrodes, respectively, an upper support pattern disposed on outer walls of the first and second lower electrodes, and being on and spaced apart from the first and second lower support patterns, a dielectric layer disposed on surfaces of the first and second lower electrodes, the first and second lower support patterns, and the upper support pattern, and an upper electrode disposed on a surface of the dielectric layer, wherein thickness of the first lower support pattern is smaller than thickness of the second lower support pattern.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: August 25, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Ung Pak, Won Chul Lee
  • Patent number: 10741562
    Abstract: A semiconductor device and method of manufacturing are provided. The semiconductor device includes a substrate; first and second structures spaced apart from each other on the substrate in a first direction, the first structure including a first lower electrode and the second structure including a second lower electrode; a first supporter pattern disposed on the substrate to support the first and second structures, and including a first region that exposes portions of sidewalls of the first and second structures, and a second region that covers a second portion of the sidewalls; and a second supporter pattern disposed on the first supporter pattern to support the first and second structures, the second supporter pattern including a third region, the third region configured to expose portions of the first sidewall and the second sidewall, and a fourth region that covers a portion of the first and second sidewalls.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: August 11, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ye Ram Kim, Won Chul Lee
  • Patent number: 10720491
    Abstract: Provided is a method of fabricating a semiconductor device. The method includes forming an oxide film on a target layer, forming a first mask film on the oxide film, wherein the first mask film contains a semiconductor material and has a first thickness and a first etch selectivity with respect to the oxide film, forming a second mask film on the first mask film, wherein the second mask film contains a metal and has a second thickness smaller than the first thickness and a second etch selectivity larger than the first etch selectivity with respect to the oxide film, forming a second mask film pattern by patterning the second mask film, forming a first mask film pattern by patterning the first mask film, etching some portions of the oxide film by using the second mask film pattern as an etch mask film, and etching the rest of the oxide film by using the first mask film pattern as an etch mask film to form a hole, wherein the target layer is exposed via the hole.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: July 21, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Ho Yoon, Won Chul Lee, Sung Yeon Kim, Jae Hong Park, Chan Hoon Park, Yong Moon Jang, Je Woo Han
  • Publication number: 20200209463
    Abstract: Provided are a light guide plate and a display device. The light guide plate includes a supporting part that includes a first surface, a second surface opposite to the first surface, and side surfaces that connect the first and second surfaces. The first surface includes a first curved area that has a first curvature radius, and a center of the first curvature radius is located above the first surface.
    Type: Application
    Filed: August 26, 2019
    Publication date: July 2, 2020
    Inventors: YU BIN KIM, JEONG MIN SEO, JIN HYUK PARK, WON CHUL LEE
  • Patent number: 10670799
    Abstract: A backlight unit includes a light guide plate (LGP), a housing that receives the LGP, and a first LGP guide member coupled to the housing. The housing includes a bottom surface, a first sidewall, and a second sidewall. The first and second sidewalls are connected to edges of the bottom surface, are disposed adjacent to each other, and are spaced apart from each other. A first corner of the bottom surface is disposed between the first and second sidewalls, and the first LGP guide member is disposed in a gap between the first and second sidewalls.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: June 2, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Chul Lee, Dong Jin Park, Taek Sun Shin, Jin Gyu Sim, Jung Gil Oh, Kwang Sun You, Byoung Jin Jin, Jong Hyeon Choi
  • Publication number: 20200166696
    Abstract: A display device includes a light guide plate; and a mold frame surrounding the light guide plate in a plan view. The mold frame includes a main frame, a first sub-frame, and a second sub-frame. Extending along one side surface of the light guide plate in a first direction, the main frame includes a first main portion positioned at one side of the first and second sub-frames, and a second main portion positioned at the other side of the first and second sub-frames. The first sub-frame is connected to the first main portion, and the first sub-frame protrudes toward the light guide plate from the first main portion along a second direction crossing the first direction. The second sub-frame is connected to the first main portion and the second main portion, and the first sub-frame and the second sub-frame are spaced apart from each other with a space therebetween.
    Type: Application
    Filed: November 7, 2019
    Publication date: May 28, 2020
    Inventors: Jin Hyuk PARK, Won Chul LEE