Patents by Inventor Chang-Won JEONG

Chang-Won JEONG 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: 20240400386
    Abstract: Provided are a reactor for producing hydrogen and carbon through methane pyrolysis by a thermal storage method, and a combination reactor including the same, wherein the reactor includes a reaction unit in which pure-oxygen combustion of carbon and pyrolysis of methane are carried out, a first accommodation unit that supplies oxygen and the carbon to the reaction unit or accommodates carbon and hydrogen obtained by the pyrolysis of the methane, a flame supply unit that generates a flame within the reaction unit, a thermal storage unit that is located within the reaction unit and stores combustion heat generated during the pure-oxygen combustion of the carbon, and a second accommodation unit that accommodates carbon dioxide produced by the pure-oxygen combustion of the carbon or supplies methane to the reaction unit, wherein the pure-oxygen combustion of the carbon and the pyrolysis of the methane are alternately carried out.
    Type: Application
    Filed: September 29, 2021
    Publication date: December 5, 2024
    Inventors: Uen DO LEE, Chang Won YANG, Byung Ryeul BANG, Soo Hwa JEONG, Udaysinh Ingale GAYATRI, Hyun Min KWON, Cheon Hyeon CHO, Seung Jin OH
  • Publication number: 20240395682
    Abstract: A printed circuit board and a method of manufacturing the same are provided. The printed circuit board includes a first insulating layer, a first metal layer having a first portion protruding upwardly of the first insulating layer and a second portion embedded in the first insulating layer, and a barrier layer disposed at a boundary between the first insulating layer and the second portion and extending to a lower surface of the first insulating layer. The first portion and the second portion are integrated.
    Type: Application
    Filed: May 16, 2024
    Publication date: November 28, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyun Hu Lee, Sang Ho Jeong, Chang Hwa Park, Deok Hong Jo, Sang Won Han, Jong Eun Park
  • Patent number: 12134559
    Abstract: The present disclosure relates to a hydrogen purification/storage apparatus and method using a liquid organic hydrogen carrier (LOHC).
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: November 5, 2024
    Assignee: Korea Institute of Science and Technology
    Inventors: Young Suk Jo, Yong Ha Park, Yeong Cheon Kim, Hyang Soo Jeong, Yong Min Kim, Hyun Tae Sohn, Chang Won Yoon, Suk Woo Nam, Jong Hee Han
  • Publication number: 20240334782
    Abstract: A display device includes a substrate, a circuit layer, a light emitting element layer, a sealing layer, and a polarization layer. A main area of the substrate includes a display area including emission areas and a non-display area disposed around the display area, the non-display area includes a dam area spaced apart from the display area, the dam area including at least one dam portion surrounding the display area. The non-display area also including a bonding area that surrounds the dam area, the circuit layer includes a buffer portion disposed in a part of the bonding area adjacent to the sub-area, the buffer portion being spaced apart from each of the sub-area and the dam area, and the polarization layer extends to the non-display area and overlaps the buffer portion.
    Type: Application
    Filed: November 15, 2023
    Publication date: October 3, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: June Hwan KIM, Chang Min SONG, Dong Gi AHN, Seok Won JEONG, Dae Youn CHO
  • Publication number: 20240315558
    Abstract: A bio-signal measuring device includes a signal detector detecting a bio-signal; a signal converter converting the bio-signal into a bio-digital signal; a memory; a communicator communicating with an external device; and a processor configured to operate in a first operation mode for storing the bio-digital signal in the memory or a second operation mode for transmitting the bio-digital signal to the external device.
    Type: Application
    Filed: June 5, 2024
    Publication date: September 26, 2024
    Applicant: ATSENS CO., LTD.
    Inventors: Jong Ook JEONG, Chang Ho LEE, Bang Won Lee
  • Patent number: 11819927
    Abstract: A cutting insert capable of performing front-turning and high feed back-turning according to one embodiment includes: an upper surface; a lower surface opposite to the upper surface in a vertical direction; a side portion configured to connect the upper surface and the lower surface; a mounting hole extending through the upper surface and the lower surface; and a plurality of cutting edges formed at edges where the upper surface meets the side portion, wherein the upper surface has one or more cutting corners, the plurality of cutting edges include a major cutting edge and a minor cutting edge extending from the cutting corner, and a representative inclination of the minor cutting edge used for high feed back-turning is greater than a representative inclination of the major cutting edge used for front-turning with respect to a virtual reference plane perpendicular to the vertical direction.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: November 21, 2023
    Assignee: TaeguTec Ltd.
    Inventor: Chang Won Jeong
  • Patent number: 11731203
    Abstract: A cutting insert and a cutting tool assembly for cutting a workpiece. The cutting tool assembly includes a cutting insert having an upper surface that has a quadrilateral shape so as to include first to fourth insert corner portions, and a shim configured to support the insert. The insert includes an upper surface and a lower surface on which first to sixth inclined mounting portions are respectively formed. The shim simultaneously supports the first to third inclined mounting portions, or simultaneously supports the fourth to sixth inclined mounting portions.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: August 22, 2023
    Assignee: TaeguTec Ltd.
    Inventors: Chang Hee Choi, Chang Won Jeong
  • Patent number: 11717895
    Abstract: Embodiments of a cutting insert are provided. The cutting insert includes an upper surface, a lower surface, a plurality of side surfaces extending between the upper surface and the lower surface, an insert hole extending through the upper surface and the lower surface, and a corner portion provided with a cutting edge. At least one of the upper surface and the lower surface has a plurality of recesses extending between the insert hole and the corner portion. The plurality of recesses includes a first recess into which one portion of the mounting portion is inserted when the cutting insert is supported by the mounting portion, and a second recess into which another portion of the mounting portion is inserted when the cutting insert is supported by the mounting portion. The second recess has a side wall spaced apart from another portion of the mounting portion.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: August 8, 2023
    Assignee: TaeguTec Ltd.
    Inventors: Chang Hee Choi, Chang Won Jeong
  • Patent number: 11574726
    Abstract: An image analysis method for multicenter study includes, by a multicenter study support system, recruiting and selecting a plurality of agency systems to perform multicenter study, and then distributing an analysis guide and an analysis program corresponding to a purpose and condition of the multicenter study to each of the agency systems, by each of the agency systems, collecting analysis data acquired through the analysis guide and the analysis program and then uploading the analysis data to the multicenter study support system, and by the multicenter study support system, collecting and processing the uploaded analysis data, and then sharing the data processing result with each of the agency systems.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: February 7, 2023
    Assignee: Wonkwang University Center for Industry-Academy Cooperation
    Inventors: Kwon Ha Yoon, Seung Jin Kim, Ji Eon Kim, Si Hyung No, Tae Hoon Kim, Chang Won Jeong
  • Publication number: 20220395910
    Abstract: A cutting insert capable of performing front-turning and high feed back-turning according to one embodiment includes: an upper surface; a lower surface opposite to the upper surface in a vertical direction; a side portion configured to connect the upper surface and the lower surface; a mounting hole extending through the upper surface and the lower surface; and a plurality of cutting edges formed at edges where the upper surface meets the side portion, wherein the upper surface has one or more cutting corners, the plurality of cutting edges include a major cutting edge and a minor cutting edge extending from the cutting corner, and a representative inclination of the minor cutting edge used for high feed back-turning is greater than a representative inclination of the major cutting edge used for front-turning with respect to a virtual reference plane perpendicular to the vertical direction.
    Type: Application
    Filed: June 11, 2021
    Publication date: December 15, 2022
    Applicant: TAEGUTEC LTD.
    Inventor: CHANG WON JEONG
  • Publication number: 20220371101
    Abstract: Embodiments of a cutting insert are provided. The cutting insert includes an upper surface, a lower surface, a plurality of side surfaces extending between the upper surface and the lower surface, an insert hole extending through the upper surface and the lower surface, and a corner portion provided with a cutting edge. At least one of the upper surface and the lower surface has a plurality of recesses extending between the insert hole and the corner portion. The plurality of recesses includes a first recess into which one portion of the mounting portion is inserted when the cutting insert is supported by the mounting portion, and a second recess into which another portion of the mounting portion is inserted when the cutting insert is supported by the mounting portion. The second recess has a side wall spaced apart from another portion of the mounting portion.
    Type: Application
    Filed: May 21, 2021
    Publication date: November 24, 2022
    Applicant: TAEGUTEC LTD.
    Inventors: CHANG HEE CHOI, CHANG WON JEONG
  • Patent number: 11069061
    Abstract: A method for analyzing an abdominal disease based on a medical image, includes receiving and preprocessing a medical image obtained by photographing an abdominal region of a patient to detect a plurality of analysis candidate regions and setting one of the plurality of analysis candidate regions as a ROI, calculating a nodule grade based on surface unevenness of the ROI, calculating a cellular heterogeneity coefficient based on pixel homogeneity of the ROI, and predicting and outputting an abdominal disease value based on the nodule grade and the cellular heterogeneity coefficient.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: July 20, 2021
    Assignee: WONKWANG UNIVERSITY CENTER FOR INDUSTRY-ACADEMY COOPERATION
    Inventors: Kwon Ha Yoon, Ji Eon Kim, Tae Hoon Kim, Si Hyung No, Chung Sub Lee, Seung Jin Kim, Chang Won Jeong
  • Patent number: 11048350
    Abstract: A display device includes: a substrate including a display region having pixels and a non-display region disposed along at least part of the periphery of the display region; first lines in the non-display region of the substrate; a first insulating layer disposed on the first lines; second lines disposed on the first insulating layer in the non-display region; a second insulating layer disposed on the second lines; a third line disposed on the second insulating layer, the third line overlapping portions of the first and second lines in the non-display region; a third insulating layer disposed on the third line, the third insulating layer exposing a portion of the third line in a first region that overlaps with the first and second lines; and a fourth line on the third insulating layer, the fourth line overlapping the third line and in direct contact with the third line in the first region.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: June 29, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Ho Choi, Jae Yong Lee, Chang Won Jeong
  • Publication number: 20210114118
    Abstract: A cutting insert and a cutting tool assembly for cutting a workpiece. The cutting tool assembly includes a cutting insert having an upper surface that has a quadrilateral shape so as to include first to fourth insert corner portions, and a shim configured to support the insert. The insert includes an upper surface and a lower surface on which first to sixth inclined mounting portions are respectively formed. The shim simultaneously supports the first to third inclined mounting portions, or simultaneously supports the fourth to sixth inclined mounting portions.
    Type: Application
    Filed: March 26, 2019
    Publication date: April 22, 2021
    Inventors: CHang Hee CHOI, Chang Won JEONG
  • Publication number: 20200301535
    Abstract: A display device includes: a substrate including a display region having pixels and a non-display region disposed along at least part of the periphery of the display region; first lines in the non-display region of the substrate; a first insulating layer disposed on the first lines; second lines disposed on the first insulating layer in the non-display region; a second insulating layer disposed on the second lines; a third line disposed on the second insulating layer, the third line overlapping portions of the first and second lines in the non-display region; a third insulating layer disposed on the third line, the third insulating layer exposing a portion of the third line in a first region that overlaps with the first and second lines; and a fourth line on the third insulating layer, the fourth line overlapping the third line and in direct contact with the third line in the first region.
    Type: Application
    Filed: December 5, 2019
    Publication date: September 24, 2020
    Inventors: Jae Ho CHOI, Jae Yong LEE, Chang Won JEONG
  • Patent number: 10706796
    Abstract: A liquid crystal display includes a display panel, a data driver, and a scan driver. The display panel includes first and second pixel groups, each of having two pixels. The data driver is connected to the display panel via a plurality of data lines. The scan driver is connected to the display panel via a plurality of scan lines. The first pixel group is connected to one of the data lines. The second pixel group is connected to both the data line to which the first pixel group is connected and a data line adjacent to the data line to which the first pixel group is connected.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seon Kyoon Mok, Seong Young Lee, Hyung Jun Park, Dong Hyun Yoo, Kyung Hoe Lee, Hwan Young Jang, Chang Won Jeong
  • Publication number: 20200143532
    Abstract: A method for analyzing an abdominal disease based on a medical image, includes receiving and preprocessing a medical image obtained by photographing an abdominal region of a patient to detect a plurality of analysis candidate regions and setting one of the plurality of analysis candidate regions as a ROI, calculating a nodule grade based on surface unevenness of the ROI, calculating a cellular heterogeneity coefficient based on pixel homogeneity of the ROI, and predicting and outputting an abdominal disease value based on the nodule grade and the cellular heterogeneity coefficient.
    Type: Application
    Filed: July 31, 2019
    Publication date: May 7, 2020
    Inventors: Kwon Ha YOON, Ji Eon KIM, Tae Hoon KIM, Si Hyung NO, Hong Young JUN, Chung Sub LEE, Seung Jin KIM, Chang Won JEONG
  • Publication number: 20200043599
    Abstract: An image analysis method for multicenter study includes, by a multicenter study support system, recruiting and selecting a plurality of agency systems to perform multicenter study, and then distributing an analysis guide and an analysis program corresponding to a purpose and condition of the multicenter study to each of the agency systems, by each of the agency systems, collecting analysis data acquired through the analysis guide and the analysis program and then uploading the analysis data to the multicenter study support system, and by the multicenter study support system, collecting and processing the uploaded analysis data, and then sharing the data processing result with each of the agency systems.
    Type: Application
    Filed: July 31, 2019
    Publication date: February 6, 2020
    Inventors: Kwon Ha YOON, Seung Jin KIM, Ji Eon KIM, Si Hyung NO, Tae Hoon KIM, Hong Young JUN, Chang Won JEONG
  • Publication number: 20180137829
    Abstract: A liquid crystal display includes a display panel, a data driver, and a scan driver. The display panel includes first and second pixel groups, each of having two pixels. The data driver is connected to the display panel via a plurality of data lines. The scan driver is connected to the display panel via a plurality of scan lines. The first pixel group is connected to one of the data lines. The second pixel group is connected to both the data line to which the first pixel group is connected and a data line adjacent to the data line to which the first pixel group is connected.
    Type: Application
    Filed: January 12, 2018
    Publication date: May 17, 2018
    Inventors: Seon Kyoon MOK, Seong Young LEE, Hyung Jun PARK, Dong Hyun YOO, Kyung Hoe LEE, Hwan Young JANG, Chang Won JEONG
  • Publication number: 20180086044
    Abstract: Disclosed herein are an apparatus and a method for separating polysilicon from a carbon chuck. The apparatus carries out induction-heating by applying a high-frequency current on a carbon chuck with polysilicon adhering thereto (a polysilicon-carbon chuck) retrieved from a chamber for synthesizing polysilicon, to thereby selectively heat the carbon chuck.
    Type: Application
    Filed: September 12, 2017
    Publication date: March 29, 2018
    Inventors: Byung Hyun PARK, Ga Bok KIM, Chang Won JEONG, Byung Chang KANG