Patents by Inventor Hyun-Cheol Kim

Hyun-Cheol Kim 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: 20250122231
    Abstract: The present specification relates to a compound of Chemical Formula 1, a coating composition including the same, a method for preparing the compound, and an electronic device.
    Type: Application
    Filed: March 21, 2023
    Publication date: April 17, 2025
    Applicant: LG CHEM, LTD.
    Inventors: Jihye JUNG, Beomsu PARK, Hyun Cheol KIM
  • Patent number: 12275878
    Abstract: The present application relates to a method for manufacturing a foldable backplate film, and according to one aspect of the present invention, a method for manufacturing a foldable backplate film that the foldable backplate film is manufactured by a method of cutting it in a direction from the release film to the protective film upon half-cutting, and then release-changing the release film, whereby by improving a half-cutting process, the foldable backplate does not fall off upon the release film peeling, is provided.
    Type: Grant
    Filed: February 21, 2022
    Date of Patent: April 15, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Hui Je Lee, Hyun Cheol Kim, In Hwan Jeon, Sa Young Jung, Jin Ho Son
  • Patent number: 12279479
    Abstract: The present disclosure relates to a surface protective film and a method for manufacturing an organic light emitting electronic device.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: April 15, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Jeong Min Choi, Hyun Cheol Kim, Sojin Kim, Hyungoo Kang, Jae Seung Lim
  • Patent number: 12275875
    Abstract: Disclosed relates to a surface protective film including: a base layer; and an adhesive layer provided on one surface of the base layer, where the adhesive layer comprises a cured product of an adhesive composition, comprising: a urethane polymer; an acrylic polymer; and a curing agent, where the acrylic polymer comprises a monomer unit derived from an alkyl(meth)acrylate monomer having 10 or more carbon atoms, where a peel strength of the adhesive layer is 2 gf/in or more and 30 gf/in or less when a surface of the adhesive layer, opposite to a surface on which the base layer is provided, is peeled off from glass at a peel speed of 30 m/min and a peel angle of 180°, and where, in the adhesive composition, the acrylic polymer is comprised in an amount of 1 part by weight to 15 parts by weight based on 100 parts by weight of the urethane polymer.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: April 15, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Jeong Min Choi, Hyun Cheol Kim, Sojin Kim, Hyungoo Kang, Jae Seung Lim
  • Patent number: 12275868
    Abstract: The present disclosure provides a surface protective film which is used in a process of fabricating an encapsulation layer for an organic light-emitting diode, and makes it possible to prevent bubbles from being generated in the protective film or the surface smoothness of the protective film from being degraded, due to solvent volatilization from the protective film. Specifically, the present disclosure provides a surface protective film including an adhesive layer provided on one surface of a substrate layer, wherein the adhesive layer includes a cured product of an adhesive composition including: a urethane-based resin having a photoreactive group at the end or side chain thereof; a monofunctional (meth)acrylate monomer; a crosslinking agent having two or more photoreactive groups at the end thereof; a photoinitiator; and a photoreactive siloxane additive, the adhesive composition being solvent-free.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: April 15, 2025
    Assignee: LG CHEM, LTD.
    Inventors: So Jin Kim, Hyun Cheol Kim, Jeong Min Choi, Sang Hwan Kim, Kwang Su Seo
  • Publication number: 20250101273
    Abstract: Provided are a polyorganosiloxane comprising a siloxane unit of Formula 1 and a siloxane unit of Formula 2, a release composition that can form a release layer capable of securing solvent resistance by maximizing a bonding force between a base film and the release layer, having an appropriate peel force even under room temperature and high temperature conditions, having a little change in the peel force even under high temperature and ultraviolet irradiation conditions, and securing an excellent residual adhesion rate, and a release film and a pressure-sensitive adhesive film comprising the release layer, (R1mR2nSiO(4-m-n/2)??[Formula 1] (R3pR4qSiO(4-p-q)/2)??[Formula 2] wherein all the variables are described herein.
    Type: Application
    Filed: February 10, 2023
    Publication date: March 27, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Jun Hyoung Park, Hyun Cheol Kim
  • Publication number: 20250101225
    Abstract: A curable composition is provided. The curable composition comprises a polyorganosiloxane component and a redox catalyst, and is capable of curing a pressure-sensitive adhesive composition without a curing process by heat or energy rays so as to form a pressure-sensitive adhesive layer having appropriate release peel force and residual bond ratio.
    Type: Application
    Filed: October 26, 2022
    Publication date: March 27, 2025
    Inventors: Jun Hyoung PARK, Hyun Cheol KIM, Woo Yeon KIM, Jae Sung HONG
  • Publication number: 20250095212
    Abstract: A method and a device for transmitting and obtaining dynamic 3-dimensional (3D) avatar data are provided. The method for transmitting dynamic 3D avatar data may include generating a plurality of data elements configuring the dynamic 3D avatar data; performing first encoding and transmission for a first data element of the plurality of data elements; and performing second encoding and transmission for a second data element of the plurality of data elements. Each of at least one of the first data element or the second data element may be divided into a plurality of sub-data elements.
    Type: Application
    Filed: September 12, 2024
    Publication date: March 20, 2025
    Inventors: Da Yun NAM, Seong Yong LIM, Hyuk Min KWON, Hyun Cheol KIM, Joo Myoung SEOK
  • Publication number: 20250051291
    Abstract: The present specification relates to a compound, a method for preparing the same, and a single molecule, an oligomer and a polymer derived from the compound.
    Type: Application
    Filed: January 17, 2023
    Publication date: February 13, 2025
    Applicant: LG CHEM, LTD.
    Inventors: Jihye JUNG, Beomsu PARK, Hyun Cheol KIM
  • Patent number: 12221560
    Abstract: The present application provides a pressure-sensitive adhesive layer comprising at least first and second regions having different physical properties, wherein the difference in physical properties, such as an elastic modulus or creep strain rate is maintained relatively large for each region, and the difference in physical properties, such as a peel force or recovery rate is maintained relatively small for each region.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: February 11, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Byung Su Park, Hyun Cheol Kim, Hyon Gyu Park
  • Publication number: 20250024074
    Abstract: A method of encoding a dynamic mesh includes creating a base mesh through mesh decimation, subdividing the base mesh, extracting displacement information for the subdivided mesh, and encoding the base mesh and the displacement information. In this instance, mesh subdivision information for subdivision of the base mesh is encoded and signaled.
    Type: Application
    Filed: July 12, 2024
    Publication date: January 16, 2025
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Da Yun NAM, Seong Yong LIM, Hyun Cheol KIM, Chae Eun RHEE, Yong Wook SEO, Hyun Min JUNG
  • Publication number: 20240409520
    Abstract: The present specification relates to a compound of Chemical Formula 1, a method for preparing the same, and a single molecule and an oligomer derived from the compound.
    Type: Application
    Filed: January 17, 2023
    Publication date: December 12, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Beomsu PARK, Jihye JUNG, Hyun Cheol KIM
  • Publication number: 20240400787
    Abstract: The present invention relates to a monomer composition for synthesizing recycled plastic which comprises an aromatic diol compound, wherein a ratio of aromatic diol compound derivative impurity according to Equation 1 is 0.5% or less, wherein the aromatic diol compound has a purity of 99.25% or more, and the monomer composition for synthesizing recycled plastic is recovered from a polycarbonate-based resin, a preparation method thereof, and a recycled plastic, and molded product using the same.
    Type: Application
    Filed: April 12, 2023
    Publication date: December 5, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Jun Beom PARK, Hyunyoung LEE, Hyun Cheol KIM
  • Patent number: 12146083
    Abstract: The present disclosure relates to a surface protective film and a method for manufacturing an organic light emitting electronic device using the surface protective film.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: November 19, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Jeong Min Choi, Hyun Cheol Kim, Sojin Kim, Hyungoo Kang, Jae Seung Lim
  • Patent number: 12133009
    Abstract: An image sensor includes a photoelectric converter configured to convert received light into charges in response to the received light and provide the charges to a first node, a transfer transistor configured to provide a voltage of the first node to a floating diffusion node, a reset transistor configured to reset a voltage of the floating diffusion node to a driving voltage based on a reset signal, a source follower transistor configured to provide a unit pixel output based on the voltage of the floating diffusion node, a select transistor connected to the source follower transistor and gated with a selection signal to output the unit pixel output to the outside, and a ferroelectric capacitor connected to the floating diffusion node, wherein the ferroelectric capacitor is configured to adjust a conversion gain of the floating diffusion node based on a conversion gain mode of the ferroelectric capacitor, the conversion gain mode being a first conversion gain mode, a second conversion gain mode, or a third co
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: October 29, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong Soon Kang, Hyun Cheol Kim, Woo Bin Song, Kyung Hwan Lee
  • Publication number: 20240357810
    Abstract: A semiconductor memory device having improved electrical characteristics is provided. The semiconductor memory device comprises a first semiconductor pattern separated from a substrate in a first direction, a first gate structure extending in the first direction and penetrating the first semiconductor pattern, a first conductive connecting line connected to the first semiconductor pattern and extending in a second direction different from the first direction, and a second conductive connecting line connected to the first semiconductor pattern. The first gate structure is between the first conductive connecting line and the second conductive connecting line, the first gate structure includes a first gate electrode and a first gate insulating film, and the first gate insulating film includes a first charge holding film contacting with the first semiconductor pattern.
    Type: Application
    Filed: June 28, 2024
    Publication date: October 24, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyung Hwan LEE, Yong Seok KIM, Il Gweon KIM, Hyun Cheol KIM, Hyeoung Won SEO, Sung Won YOO, Jae Ho HONG
  • Publication number: 20240301251
    Abstract: A pressure-sensitive adhesive, which is applied to a flexible device, thereby effectively responding to repeated deformation and recovery, causing no defects (for example, observation of deformation traces and the like) before and after deformation, having excellent cuttability and workability, and causing no lifting, delamination, and/or bubble generation, and a use thereof are provided.
    Type: Application
    Filed: February 15, 2022
    Publication date: September 12, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Byung Su PARK, Hyun Cheol KIM, Hui Je LEE, Seung Yeon RYU, Jin Ho SON
  • Patent number: 12077683
    Abstract: The present application provides a pressure-sensitive adhesive layer comprising at least first and second regions having different physical properties, wherein the difference in physical properties, such as an elastic modulus or creep strain rate is maintained relatively large for each region, and the difference in physical properties, such as a peel force or recovery rate is maintained relatively small for each region.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: September 3, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Byung Su Park, Hyun Cheol Kim, Hyon Gyu Park
  • Patent number: 12048150
    Abstract: A semiconductor memory device having improved electrical characteristics is provided. The semiconductor memory device comprises a first semiconductor pattern separated from a substrate in a first direction, a first gate structure extending in the first direction and penetrating the first semiconductor pattern, a first conductive connecting line connected to the first semiconductor pattern and extending in a second direction different from the first direction, and a second conductive connecting line connected to the first semiconductor pattern. The first gate structure is between the first conductive connecting line and the second conductive connecting line, the first gate structure includes a first gate electrode and a first gate insulating film, and the first gate insulating film includes a first charge holding film contacting with the first semiconductor pattern.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: July 23, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyung Hwan Lee, Yong Seok Kim, Il Gweon Kim, Hyun Cheol Kim, Hyeoung Won Seo, Sung Won Yoo, Jae Ho Hong
  • Patent number: 12037518
    Abstract: Provided are an adhesive composition, an adhesive layer comprising the same and a foldable display comprising the same.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: July 16, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Hee Song, Hyon Gyu Park, Hyun Cheol Kim