Patents by Inventor Hyeon Cho

Hyeon Cho 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: 11912917
    Abstract: A method of manufacturing quantum dots includes placing nickel powder having a certain particle size, a precursor material, and an organic solvent into a container, maintaining a pressure in the container at a certain value, and synthesizing quantum dots by stirring the nickel powder, the precursor material, and the organic solvent in the container.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: February 27, 2024
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Yu Song Choi, Tae Young Ahn, Min U Kim, Jang Hyeon Cho
  • Publication number: 20240043732
    Abstract: A heat dissipation material is provided. In the heat dissipation material with a filler, comprising secondary particles in which primary particles are aggregated, the filler in a polymer resin matrix may form a thermal interface layer for conduction of thermal energy between a heat generation part and a heat absorption part.
    Type: Application
    Filed: July 28, 2023
    Publication date: February 8, 2024
    Applicant: KOREA INSTITUTE OF CERAMIC ENGINEERING AND TECHNOLOGY
    Inventors: Seung Hyup Lee, Gyeong Ho Yun, Yun Jin Kim, Su Hyeon Cho, Min Ho Nam
  • Publication number: 20240028954
    Abstract: Provided is an electronic apparatus for lightweight of a three dimensional (3D) object detection model based on knowledge distillation, the electronic device including: a backbone network module configured to perform knowledge distillation such that a first feature map of a teacher network and a second feature map of a student network extracted through input point cloud data are made identical to as each other; and a self-attention module configured to acquire a plurality of pieces of detection information from a plurality of detection heads for 3D object detection, respectively, using the first feature map and the second feature map, and perform knowledge distillation using a relation-aware self-attention calculated based on the acquired plurality of pieces of detection information.
    Type: Application
    Filed: November 29, 2022
    Publication date: January 25, 2024
    Inventors: Hyeon Cho, Won Jun Hwang, Geon Woo Baek
  • Publication number: 20230417894
    Abstract: An object identification method and device may be capable of quickly identifying the stationary state or moving state of a detected object for various movements of a radar-equipped vehicle (for example, a sharp turn such as right turn or U-turn in downtown or variously accelerated driving), enhancing the accuracy of object identification, and efficiently reducing the computation time and the requirement of memory capacity for identifying the stationary state or moving state of the detected object.
    Type: Application
    Filed: May 12, 2023
    Publication date: December 28, 2023
    Inventor: Yong Hyeon CHO
  • Patent number: 11856691
    Abstract: A stretchable sensor includes a stretchable layer including an elastomer, and a conductive layer at least partially buried in the stretchable layer and including a conductive nanostructure. The stretchable layer includes a plurality of first regions including a ferromagnetic material buried in the elastomer, and a second region excluding the plurality of first regions.
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: December 26, 2023
    Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Yongtaek Hong, Hyeon Cho, Byeongmoon Lee
  • Publication number: 20230411590
    Abstract: A lithium anode of a thermal battery may include a metal alloy foam in which a plurality of pores is formed and including nickel (Ni), iron (Fe), chromium (Cr), and aluminum (Al) mixed in a predetermined composition ratio, and lithium impregnated into the metal alloy foam in a molten state and accommodated in the pores, wherein the chromium in the composition ratio may facilitate the impregnation of the lithium into the pores and reduce the reactivity of the metal alloy foam to the lithium at an operating temperature of the thermal battery, and the aluminum in the composition ratio may facilitate the impregnation of the lithium into the pores and prevent the lithium from penetrating into a surface of the metal alloy foam.
    Type: Application
    Filed: September 1, 2023
    Publication date: December 21, 2023
    Inventors: Yu Song CHOI, Tae Young AHN, Jang Hyeon CHO
  • Publication number: 20230398758
    Abstract: The present invention relates to a pressing apparatus capable of uniformly pressing an object to be pressed using a pressure adjustment portion having a fluid contained therein irrespective of the shape of the object and a pressing method using the same.
    Type: Application
    Filed: February 16, 2021
    Publication date: December 14, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Byeong Kyu Lee, Soon Kwan Kwon, Ju Hyeon Cho, Su Taek Jung
  • Patent number: 11824152
    Abstract: Discussed is an apparatus for manufacturing a unit cell of a battery, the apparatus including: a center electrode reel from which a center electrode is unwound; an upper separator reel from which an upper separator laminated on a top surface of the center electrode is unwound; a lower separator reel from which a lower separator laminated on a bottom surface of the center electrode is unwound; and a magnetic force generation part disposed above or below a first laminate to apply magnetic force to the first laminate, the first laminate including the lower separator, the center electrode, and the upper separator that are sequentially laminated.
    Type: Grant
    Filed: January 2, 2020
    Date of Patent: November 21, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Duck Hoe Kim, Cha Hun Ku, Dae Bong Lim, Soon Kwan Kwon, Hyun Kyung Shin, Ju Hyeon Cho, Ji Su An
  • Publication number: 20230369630
    Abstract: An apparatus for preparing a unit cell is provided. The apparatus includes a center electrode reel from which a center electrode sheet is unwound, wherein the center electrode sheet is configured to form a plurality of center electrodes, separator reels from which separator sheets to be stacked with the center electrodes are unwound, a laminator configured to laminate a stack which is formed by stacking the plurality of center electrodes with the separator sheets while the plurality of center electrodes are spaced apart from each other and disposed in a row in a longitudinal direction of the separator sheets, a first nozzle configured to apply an adhesive to an upper surface of the separator sheet disposed on an uppermost layer of the laminated stack, and an upper electrode reel from which an upper electrode sheet is unwound.
    Type: Application
    Filed: March 25, 2021
    Publication date: November 16, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Soon Kwan Kwon, Su Taek Jung, Sang Ho Bae, Byeong Kyu Lee, Tai Jin Jung, Seong Won Choi, Ju Hyeon Cho, Yong Jun Lee
  • Patent number: 11795549
    Abstract: A metal plate to be used in the manufacture of a deposition mask comprises: a base metal plate; and a surface layer disposed on the base metal plate, wherein the surface layer includes elements different from those of the base metal plate, or has a composition ratio different from that of the base metal plate, and an etching rate of the base metal plate is greater than the etching rate of the surface layer. An embodiment includes a manufacturing method for a deposition mask having an etching factor greater than or equal to 2.5. The deposition mask of the embodiment includes a deposition pattern region and a non-deposition region, the deposition pattern region includes a plurality of through-holes, the deposition pattern region is divided into an effective region, a peripheral region, and a non-effective region, and through-holes can be formed in the effective region and the peripheral region.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: October 24, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dong Mug Seong, Jong Min Yun, Su Hyeon Cho, Hae Sik Kim, Tae Hoon Han, Hyo Won Son, Sang Yu Lee, Sang Beum Lee
  • Patent number: 11784299
    Abstract: A lithium anode of a thermal battery may include a metal alloy foam in which a plurality of pores is formed and including nickel (Ni), iron (Fe), chromium (Cr), and aluminum (Al) mixed in a predetermined composition ratio, and lithium impregnated into the metal alloy foam in a molten state and accommodated in the pores, wherein the chromium in the composition ratio may facilitate the impregnation of the lithium into the pores and reduce the reactivity of the metal alloy foam to the lithium at an operating temperature of the thermal battery, and the aluminum in the composition ratio may facilitate the impregnation of the lithium into the pores and prevent the lithium from penetrating into a surface of the metal alloy foam.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: October 10, 2023
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Yu Song Choi, Tae Young Ahn, Jang Hyeon Cho
  • Publication number: 20230269876
    Abstract: A semiconductor chip module includes a PCB including first and second faces; a buffer on the first face; a first chip on the first face, and including a first connection terminal and a second connection terminal, a first signal being provided to the first connection terminal, and a second signal being provided to the second connection terminal; a second chip on the second face, and including a third connection terminal to which the first signal is provided, and a fourth connection terminal to which the second signal is provided. The first connection terminal and the third connection terminal may receive the first signal from the buffer at the same time. The first connection terminal may be closer to the buffer as compared with the second connection terminal. The third connection terminal may be closer to the buffer as compared with the fourth connection terminal.
    Type: Application
    Filed: April 28, 2023
    Publication date: August 24, 2023
    Inventors: Jong-Hyun Seok, Gyu Chae Lee, Jeong Hyeon Cho
  • Patent number: 11732364
    Abstract: A metal plate to be used in the manufacture of a deposition mask comprises: a base metal plate; and a surface layer disposed on the base metal plate, wherein the surface layer includes elements different from those of the base metal plate, or has a composition ratio different from that of the base metal plate, and an etching rate of the base metal plate is greater than the etching rate of the surface layer. An embodiment includes a manufacturing method for a deposition mask having an etching factor greater than or equal to 2.5. The deposition mask of the embodiment includes a deposition pattern region and a non-deposition region, the deposition pattern region includes a plurality of through-holes, the deposition pattern region is divided into an effective region, a peripheral region, and a non-effective region, and through-holes can be formed in the effective region and the peripheral region.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: August 22, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dong Mug Seong, Jong Min Yun, Su Hyeon Cho, Hae Sik Kim, Tae Hoon Han, Hyo Won Son, Sang Yu Lee, Sang Beum Lee
  • Publication number: 20230207191
    Abstract: A multilayer electronic component includes a body including dielectric layers and a plurality of internal electrodes stacked on each other in a first direction, and having a respective one of the dielectric layers interposed therebetween; a thermoelectric element disposed inside the body; and external electrodes disposed outside the body.
    Type: Application
    Filed: December 15, 2022
    Publication date: June 29, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chan Ho Yang, Min Jun Kim, Jung Mi Baek, Da Eun Kim, Hye Min Park, Jong Min Kim, Seong Hyeon Cho, Min San Seo, Hong Seok Kim
  • Patent number: 11678437
    Abstract: A semiconductor chip module includes a PCB including first and second faces; a buffer on the first face; a first chip on the first face, and including a first connection terminal and a second connection terminal, a first signal being provided to the first connection terminal, and a second signal being provided to the second connection terminal; a second chip on the second face, and including a third connection terminal to which the first signal is provided, and a fourth connection terminal to which the second signal is provided. The first connection terminal and the third connection terminal receive the first signal from the buffer at the same time. The first connection terminal be is closer to the buffer as compared with the second connection terminal. The third connection terminal is closer to the buffer as compared with the fourth connection terminal.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: June 13, 2023
    Inventors: Jong-Hyun Seok, Gyu Chae Lee, Jeong Hyeon Cho
  • Publication number: 20230174856
    Abstract: A method of manufacturing quantum dots includes placing nickel powder having a certain particle size, a precursor material, and an organic solvent into a container, maintaining a pressure in the container at a certain value, and synthesizing quantum dots by stirring the nickel powder, the precursor material, and the organic solvent in the container.
    Type: Application
    Filed: May 20, 2021
    Publication date: June 8, 2023
    Inventors: Yu Song CHOI, Tae Young AHN, Min U KIM, Jang Hyeon CHO
  • Publication number: 20230170514
    Abstract: In order to the aforementioned issue, a unit cell manufacturing apparatus according to an embodiment of the present invention includes: an electrode reel from which an electrode sheet, which is to be a plurality of electrodes, is unwound; a separator reel from which a separator sheet to be stacked with the electrodes is unwound; and in a stack which is formed by stacking the plurality of electrodes with the separator sheet while the plurality of electrodes are spaced apart from each other and disposed in a row in the longitudinal direction of the separator sheet, a sealer which is disposed between the plurality of electrodes and applies heat and pressure to at least one of the corners of the electrodes or the edges of the electrodes.
    Type: Application
    Filed: March 18, 2021
    Publication date: June 1, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Soon Kwan Kwon, Su Taek Jung, Byeong Kyu Lee, Tai Jin Jung, Seong Won Choi, Ju Hyeon Cho
  • Publication number: 20230152026
    Abstract: The present disclosure relates to a refrigerator. The refrigerator is configured to supply cool air to a refrigerating compartment, a freezing compartment, and an ice-making compartment by a single evaporator. A cool air passage for the ice-making compartment for supplying cool air to the ice-making compartment is configured to supply the cool air to an upper space in a cool air passage for the freezing compartment, which. supplies cool air to the refrigerating compartment and the freezing compartment, through an upper supply passage. Accordingly, since additional cool air is supplied to the cool air passage for the freezing compartment by using the upper supply passage, sufficient cool air is supplied to the refrigerating compartment and the freezing compartment by the single evaporator.
    Type: Application
    Filed: September 25, 2020
    Publication date: May 18, 2023
    Inventors: Ki Hwang KIM, Sung Hee KANG, Dong Hwi KIM, Yong Hyeon CHO, Jong Pil KIM
  • Publication number: 20230098276
    Abstract: Disclosed herein are a method and apparatus for generating a panoramic image. The method includes configuring a data set for training a deep learning network based on K images, extracting an encoding feature map, a skip connection feature map, and a decoding feature map based on K/2 images, among the images, estimating multiple homographies based on the encoding feature map, estimating a flow adjustment map, a preprocessing blending map, a weight map, and a post-processing blending map based on the decoding feature map, deriving a flow map based on the multiple homographies and the flow adjustment map, generating a preprocessed image based on the preprocessing blending map, generating multiple warped images based on the preprocessed image and the flow map, generating a matching image based on the warped images and the weight map, and correcting the matching image based on the matching image and the post-processing blending map.
    Type: Application
    Filed: September 23, 2022
    Publication date: March 30, 2023
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, THE INDUSTRY & ACADEMIC COOPERATION IN CHUNGNAM NATIONAL UNIVERSITY (IAC)
    Inventors: Hee-Kyung LEE, Gi-Mun UM, Dae-Young SONG, Dong-Hyeon CHO
  • Publication number: 20230034788
    Abstract: A system and method for transferring an electrode substrate, including a process of pressing an electrode substrate, supplied from a winding roll, in a direction opposite to a winding direction, by using a bending mitigation roller. According to the present system and method, it is possible to resolve a bending phenomenon of an electrode substrate supplied from a winding roll and significantly reduce product defects while not lowering the process efficiency.
    Type: Application
    Filed: January 20, 2021
    Publication date: February 2, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Byeong Kyu Lee, Soon Kwan Kwon, Seong Won Choi, Su Taek Jung, Tai Jin Jung, Ju Hyeon Cho