Patents by Inventor Dong Hyeok Lee

Dong Hyeok 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).

  • Patent number: 11987740
    Abstract: Provided are a silicon nitride film etching composition, a method of etching a silicon nitride film using the same, and a manufacturing method of a semiconductor device. Specifically, a silicon nitride film may be highly selectively etched as compared with a silicon oxide film, and when the composition is applied to an etching process at a high temperature and a semiconductor manufacturing process, not only no precipitate occurs but also anomalous growth in which the thickness of the silicon oxide film is rather increased does not occur, thereby minimizing defects and reliability reduction.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: May 21, 2024
    Assignee: ENF Technology Co., Ltd.
    Inventors: Dong Hyun Kim, Hyeon Woo Park, Sung Jun Hong, Myung Ho Lee, Myung Geun Song, Hoon Sik Kim, Jae Jung Ko, Myong Euy Lee, Jun Hyeok Hwang
  • Publication number: 20240159466
    Abstract: A heat treatment apparatus includes a furnace body, a roller inside the furnace body, a heater inside the furnace body, an upper and lower discharge pipes on the furnace body, and a lower supply pipe on the lower part of the furnace body. The furnace body includes areas having the upper and lower discharge pipes, the areas including a first area to an Nth area disposed sequentially along a second direction being a transport direction of each of the materials, a length of the first area in the second direction is shorter than lengths of the second area to the Nth area in the second direction, and in each of the first area to the Nth area, the upper discharge pipe and the lower supply pipe are not arranged in a straight line in a third direction being a height direction to be misaligned from each other.
    Type: Application
    Filed: August 17, 2023
    Publication date: May 16, 2024
    Inventors: Dong Ho HAN, Shin Ho LEE, Jin Hyeok LEE, Young Jin LIM, Tae Ho KANG, Sung Min KWON
  • Publication number: 20240137511
    Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, multiple partition blocks are generated by splitting a target block. A prediction mode is derived for at least a part of the multiple partition blocks, among the multiple partition blocks, and prediction is performed on the multiple partition blocks based on the derived prediction mode. When prediction is performed on the partition blocks, information related to the target block may be used, and information related to an additional partition block, which is predicted prior to the partition block, may be used.
    Type: Application
    Filed: January 4, 2024
    Publication date: April 25, 2024
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY, HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Jin-Ho LEE, Jung-Won KANG, Hyunsuk KO, Sung-Chang LIM, Dong-San JUN, Ha-Hyun LEE, Seung-Hyun CHO, Hui-Yong KIM, Hae-Chul CHOI, Dae-Hyeok GWON, Jae-Gon KIM, A-Ram BACK
  • Publication number: 20240116501
    Abstract: A collision safety control system includes a memory storing a collision safety model having a deep learning-based collision safety control logic. The collision safety control system also includes a processor electrically connected to the memory. The processor is configured to, in accordance with the collision safety control logic, train, based on at least one signal including pre-collision data and post-collision data, the collision safety model such that the collision safety model outputs a collision type and a required time-to-fire (RTTF) of passenger protection equipment corresponding to the at least one signal.
    Type: Application
    Filed: October 6, 2023
    Publication date: April 11, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Seoul National University R&DB Foundation
    Inventors: Hyung Wook Park, Sung Roh Yoon, Dong Hyeok Lee
  • Patent number: 11943985
    Abstract: Discussed are a light-emitting device and a light-emitting display device having improved efficiency and increased lifespan. A plurality of stacks is provided between an anode and a cathode for at least a subpixel to emit a predetermined color, and emissive layers in different stacks include the same color-based materials having different luminous properties.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: March 26, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jin Ho Park, Kyu Il Han, Chang Hwan Kwak, Dong Hyeok Lim, Hwa Yong Shin, Ji Hyung Lee
  • Patent number: 11939505
    Abstract: Provided are a silicon nitride film etching composition, a method of etching a silicon nitride film using the same, and a manufacturing method of a semiconductor device. Specifically, a silicon nitride film may be stably etched with a high selection ratio relative to a silicon oxide film, and when the composition is applied to an etching process at a high temperature and a semiconductor manufacturing process, not only no precipitate occurs but also anomalous growth in which the thickness of the silicon oxide film is rather increased does not occur, thereby minimizing defects and reliability reduction.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: March 26, 2024
    Assignee: ENF Technology Co., Ltd.
    Inventors: Dong Hyun Kim, Hyeon Woo Park, Sung Jun Hong, Myung Ho Lee, Myung Geun Song, Hoon Sik Kim, Jae Jung Ko, Myong Euy Lee, Jun Hyeok Hwang
  • Patent number: 11936075
    Abstract: Disclosed are a separator for fuel cells capable of minimizing the volume of a system and the use of sealants, and a stack for fuel cells, more particularly, a stack for solid oxide fuel cells, including the same. Specifically, by adding a metal sheet having a specific shape, position and size to the separator, the stress applied to the sealant can be uniformized, and thus the oxidizing agent and fuel can be separated and electrically isolated using only a piece of sealant. Therefore, the stack for fuel cells is characterized in that there is no variation in temperature, reactant concentration, power, or the like between respective unit cells, so delamination and microcracks do not occur, the volume is minimized, and the power density per unit volume is very high.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: March 19, 2024
    Assignee: Korea Institute of Science and Technology
    Inventors: Jong Ho Lee, Kyung Joong Yoon, Ji Won Son, Seong Kook Oh, Sang Hyeok Lee, Dong Hwan Kim, Min Jun Oh
  • Patent number: 11920715
    Abstract: A coupling assembly includes a female quick connector and a male member, wherein the male member has a latching element, a sealing section and a tip, wherein the sealing section is disposed between the latching element and the tip. The quick connector includes a retainer having at least one retaining element. The male member is in a latching position if the latching element is latched onto the at least one retaining element. The quick connector includes a verifier which is axially movable along a verification path, wherein the verification path comprises at least one locking position and at least one releasing position. The verifier in the locking position limits a movement of a section of the retainer in radial direction, so that the retainer is not actuatable in the locking position but actuatable in the releasing position of the verifier.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: March 5, 2024
    Assignee: HANIL TUBE CORPORATION
    Inventors: Seong-hwa Choo, Jeong-ho Lim, Dong-hyeok Lee
  • Publication number: 20240070988
    Abstract: A method for estimating locomotion in virtual reality performed by at least one processor includes measuring a plurality of pressure points according to a user's locomotion using a high-resolution tactile sensor including a plurality of pressure sensors, extracting a plurality of footprint images including the plurality of measured pressure points, clustering the plurality of pressure points into a first set of pressure points corresponding to a left foot and a second set of pressure points corresponding to a right foot, based on the plurality of extracted footprint images, and estimating at least a portion of a locomotion direction and a locomotion speed of the user using a first cluster corresponding to the first set of pressure points and a second cluster corresponding to the second set of pressure points.
    Type: Application
    Filed: August 24, 2023
    Publication date: February 29, 2024
    Inventors: Yunho CHOI, Kyung-Joong KIM, Ecehan AKAN, Dong Hyeok PARK, Sung Ha LEE, Hyeon-Chang JEON, Isaac HAN
  • Patent number: 11917148
    Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, multiple partition blocks are generated by splitting a target block. A prediction mode is derived for at least a part of the multiple partition blocks, among the multiple partition blocks, and prediction is performed on the multiple partition blocks based on the derived prediction mode. When prediction is performed on the partition blocks, information related to the target block may be used, and information related to an additional partition block, which is predicted prior to the partition block, may be used.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: February 27, 2024
    Assignees: Electronics And Telecommunications Research Institute, Industry-University Cooperation Foundation Korea Aerospace University, Hanbat National University Industry-Academic Cooperation Foundation
    Inventors: Jin-Ho Lee, Jung-Won Kang, Hyunsuk Ko, Sung-Chang Lim, Dong-San Jun, Ha-Hyun Lee, Seung-Hyun Cho, Hui-Yong Kim, Hae-Chul Choi, Dae-Hyeok Gwon, Jae-Gon Kim, A-Ram Back
  • Patent number: 11885449
    Abstract: A quick connector for connection to a complementary counterpart comprises a coupling piece and a retainer for a section of a fluid having a coupling center axis defining an axial direction AD, a radial direction RD and a circumferential direction CD. The retainer is allocated to the coupling end, wherein the retainer has at least one retaining element for retaining the counterpart and at least one actuating element for opening the retainer for pulling the counterpart out of the coupling piece. The coupling piece comprises a first flange at the coupling end, wherein the first flange has a flange opening so as to insert a tool into the flange opening so that the tool can exert a force on the retainer and the actuating element, respectively. The flange opening has an outer border, wherein the outer border lies in radial direction RD outward of the flange opening.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: January 30, 2024
    Assignee: TI AUTOMOTIVE (FULDABRUECK) GMBH
    Inventors: Iris Barthel, Kay Bube, Reiner Rohde, Seong-hwa Choo, Dong-hyeok Lee, Andre Häckel, David Gabbey, Jeong-gi Choi
  • Patent number: 11781690
    Abstract: A connector for connecting two fluid-conducting elements, in particular for connecting two motor vehicle pipelines, with a female plug-in part and a male plug-in part that can be plugged into the female plug-in part. The male plug-in part can be fixed on the female plug-in part via at least one fixing element. At least one indicator element is provided, which indicates the properly or completely fixed state of the male plug-in part which has been reached via the fixing element. When the male plug-in part is inserted into the female plug-in part, the indicator element is displaced outward in the radial direction. A radial outer position of the indicator element shows the properly fixed state of the male plug-in part on the female plug-in part.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: October 10, 2023
    Assignee: TI AUTOMOTIVE (FULDABRUECK) GMBH
    Inventors: Iris Barthel, Kay Bube, Reiner Rohde, Harald Knobloch, Seong-hwa Choo, Jeong-ho Lim, Dong-hyeok Lee, Sung-yong Eom
  • Patent number: 11730024
    Abstract: A display device may include a first pixel column disposed on a substrate, a second pixel column adjacent to the first pixel column, a third pixel column adjacent to the second pixel column, and a first wiring, a second wiring, and a third wiring respectively and electrically connected to the first pixel column, the second pixel column, and the third pixel column. Each of the first wiring, the second wiring, and the third wiring may include a first line, a second line electrically connected to the first line, the first line and the second line being disposed on different layers, and a third line electrically connected to the second line, the first line, the second line, and the third line being disposed on different layers.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: August 15, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Hoon Oh, Seung Gyu Tae, Hyun Woo Kang, Dong Hyeok Lee, Chang Ho Yi
  • Publication number: 20230116782
    Abstract: A coupling bushing includes a bushing body and a retainer for locking a coupling plug into the bushing body. The bushing body has a connecting section and a coupling section, wherein the connecting section and the coupling section are fluidically connected with each other via an inner channel. A bushing valve is arranged in the inner channel (8), wherein the bushing valve (10a) comprises a valve holder, an axially movable valve body and a valve seat. The retainer has at least one latching element, wherein the at least one latching element has a resiliently elastic design. The at least one latching element is designed to engage with a coupling plug.
    Type: Application
    Filed: October 7, 2022
    Publication date: April 13, 2023
    Inventors: Seong-hwa CHOO, Sung-ryong EOM, Dong-hyeok LEE, Iris BARTHEL, Paul POLINSKI, Kay BUBE, André HÄCKEL
  • Patent number: 11482980
    Abstract: A current filter externally coupled to a cable includes a coupling portion coupled to a cable portion to surround the cable portion including at least one cable, the coupling portion including a flexible metal, and a ground portion detachably attached to the coupling portion and transmitting a current flowing through the coupling portion to a ground plane.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: October 25, 2022
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Kil Soo Jeong, Jeong Seop Kim, Ju Hang Sohn, Dong Hyeok Lee, Chang Gyun Kim, Soung Hwan Chi, Heejae Jun, Yong Woo Park
  • Publication number: 20220299141
    Abstract: A coupling assembly having a female quick connector and a male member, wherein the male member has a latching element, a sealing section and a tip, wherein the sealing section is disposed between the latching element and the tip. The quick connector comprises a retainer having at least one retaining element. The male member is in a latching position if the latching element is latched onto the at least one retaining element. The quick connector comprises a verifier which is axially movable along a verification path, wherein the verification path comprises at least one locking position and at least one releasing position. The verifier in the locking position limits a movement of a section of the retainer in radial direction, so that the retainer is not actuatable in the locking position but actuatable in the releasing position of the verifier.
    Type: Application
    Filed: March 11, 2022
    Publication date: September 22, 2022
    Inventors: Seong-hwa CHOO, Jeong-ho LIM, Dong-hyeok LEE
  • Publication number: 20220131515
    Abstract: A current filter externally coupled to a cable includes a coupling portion coupled to a cable portion to surround the cable portion including at least one cable, the coupling portion including a flexible metal, and a ground portion detachably attached to the coupling portion and transmitting a current flowing through the coupling portion to a ground plane.
    Type: Application
    Filed: February 19, 2021
    Publication date: April 28, 2022
    Inventors: Kil Soo JEONG, Jeong Seop KIM, Ju Hang SOHN, Dong Hyeok LEE, Chang Gyun KIM, Soung Hwan CHI, Heejae JUN, Yong Woo PARK
  • Publication number: 20220067231
    Abstract: The present invention relates to a method and system for automatically calculating an artificial intelligence (AI)-based design wind speed, which capable of economically designing a structure by quickly and accurately calculating the design wind speed at a target point through relationship learning between the design target point and a neighboring weather observation station by AI.
    Type: Application
    Filed: October 7, 2019
    Publication date: March 3, 2022
    Applicant: Seoul National University R&DB Foundation
    Inventors: Thomas Hyun Koo KANG, Seung Yong JEONG, Dong Hyeok LEE
  • Publication number: 20220010907
    Abstract: A quick connector coupling for making a severable connection with a male member and a female tube in a fluid line includes a connector body having a through bore for receiving the male member having a tubular shape sized to extend into the through bore of the connector body and having an upset, a retainer releasably securing the male member within the connector body, and a verifier including a conductor and moving between a verified position and an unverified position inside the connector body. The connector body includes a radio frequency identification (RFID) chip and an antenna electrically connected to the RFID chip to form a first circuit. In the unverified position of the verifier, the RFID chip electrically connected to the antenna sends an unverified signal through the antenna, and when the verifier is moved in the verified position, the RFID chip sends a verified signal through the antenna.
    Type: Application
    Filed: September 22, 2021
    Publication date: January 13, 2022
    Applicant: TI GROUP AUTOMOTIVE SYSTEMS, LLC
    Inventors: CODY RYDIN, RICK PEPE, DAVID GABBEY, ALEXIS ROGERS, SEONG-HWA CHOO, JEONG-HO LIM, DONG-HYEOK LEE
  • Publication number: 20210404492
    Abstract: A quick connector for connection to a complementary counterpart comprises a coupling piece and a retainer for a section of a fluid having a coupling center axis defining an axial direction AD, a radial direction RD and a circumferential direction CD. The retainer is allocated to the coupling end, wherein the retainer has at least one retaining element for retaining the counterpart and at least one actuating element for opening the retainer for pulling the counterpart out of the coupling piece. The coupling piece comprises a first flange at the coupling end, wherein the first flange has a flange opening so as to insert a tool into the flange opening so that the tool can exert a force on the retainer and the actuating element, respectively. The flange opening has an outer border, wherein the outer border lies in radial direction RD outward of the flange opening.
    Type: Application
    Filed: June 29, 2021
    Publication date: December 30, 2021
    Inventors: Iris BARTHEL, Kay BUBE, Reiner ROHDE, Seong-hwa CHOO, Dong-hyeok LEE, Andre HÄCKEL, David GABBEY, Jeong-gi CHOI