Patents by Inventor in hwan RYU

in hwan RYU 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: 20250135701
    Abstract: A method of manufacturing an encapsulation film, the method including preparing a solventless type encapsulation composition by mixing an encapsulation resin and a moisture adsorbent in a single step; and preparing an encapsulation layer by extruding the encapsulation composition at a temperature of 90° C. or more, a method of manufacturing an organic electronic device manufacturing method using same, and provides a method of manufacturing an encapsulation film having a structure capable of blocking moisture or oxygen flowing into an organic electronic device from the outside, and enabling long-term reliability of the organic electronic device to be ensured.
    Type: Application
    Filed: December 1, 2022
    Publication date: May 1, 2025
    Inventors: Kwang Hui CHOI, Beom Doo SEO, Dong Hwan RYU, Jae Seol RYU, Won Gu CHOI, Jhin Yeong YOON
  • Publication number: 20250065295
    Abstract: Provided are a method for preparing a three-dimensional lithium adsorbent, which produces a lithium adsorbent having a high lithium adsorption rate per unit volume and unit mass, strong durability, and various shapes, and a three-dimensional lithium adsorbent using the same.
    Type: Application
    Filed: August 21, 2024
    Publication date: February 27, 2025
    Inventors: Jong Tae MOON, Beyoung-Hwan RYU, Shin CHOI, Nayoung KIM
  • Publication number: 20240416570
    Abstract: An encapsulation film, a manufacturing method therefor, an organic electronic device comprising same, and a method for manufacturing an organic electronic device by using same, which provides an encapsulation film that has a structure capable of blocking moisture or oxygen flowing into an organic electronic device from the outside, and long-term reliability of the organic electronic device can be ensured. The encapsulation film includes an encapsulation layer that is a cured product of an encapsulation composition, wherein the encapsulation composition includes an encapsulation resin and a moisture adsorbent, and the encapsulation layer is a single layer and includes a first region, a second region, and a third region in which the concentrations of the moisture adsorbent are different according to the thickness direction.
    Type: Application
    Filed: December 1, 2022
    Publication date: December 19, 2024
    Inventors: Beom Doo SEO, Jae Seol RYU, Kwang Hui CHOI, Jhin Yeong YOON, Dong Hwan RYU, Yern Seung KIM, Kyung Inn KIM, Ho Sung KANG
  • Publication number: 20240407227
    Abstract: The present application relates to a back plate film. The present application provides a back plate film for an under-display camera in which a front camera of a mobile phone can capture a subject without image distortion. The back plate film of the present application can be usefully used in, for example, an OLED panel.
    Type: Application
    Filed: November 25, 2022
    Publication date: December 5, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Jong Pil Roh, Dong Hwan Ryu, Jin Hoo Kim
  • Publication number: 20240406299
    Abstract: The present application relates to a back plate film. The present application provides a back plate film for an under-display camera in which a front camera of a mobile phone can capture a subject without image distortion. The back plate film of the present application can be usefully used in, for example, an OLED panel.
    Type: Application
    Filed: November 25, 2022
    Publication date: December 5, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Jin Hoo Kim, Dong Hwan Ryu, Jong Pil Roh
  • Patent number: 12145261
    Abstract: A string actuator-based exoskeleton robot includes: a driving force conversion unit including a fixed frame and a rotation pulley and mountable on a side portion of the waist of a human body; a driving unit including a driving motor providing a driving force and a pair of strings provided in double rows to have one side connected to the driving motor and the other side connected to the rotation pulley, and assisting the rotation of the rotation pulley by twisting or untwisting the pair of strings with or from each other by a rotational driving force of the driving motor to vary a length of the pair of strings; and a support unit formed to extend from the rotation pulley to at least one of a front surface or a rear surface of the femoral region of the human body to support the femoral region of the human body.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: November 19, 2024
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Jee Hwan Ryu, Hyeonseok Seong
  • Publication number: 20240336170
    Abstract: A walk-in apparatus for a vehicle seat includes a walk-in bracket rotatably coupled to a crossbar of a cushion frame and operable to release a fixing member by contacting the fixing member of a seat rail; a compensator bracket operably connected to the walk-in bracket through a hinge, the compensator bracket also being connected to a walk-in cable; and a compensator spring configured to support the walk-in bracket and the compensator bracket, rotate at least one of the walk-in bracket and the compensator bracket, and operate in such a manner as to return the compensator bracket. Even when the walk-in cable is released due to a seatback rebound phenomenon during a walk-in operation, the walk-in bracket maintains a pressing state of the fixing member to maintain continuously an unlocking state of the seat rail, allowing the vehicle seat to move forward smoothly to enable a walk-in operation.
    Type: Application
    Filed: September 25, 2023
    Publication date: October 10, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, Hyundai Transys Inc., DAS CO., LTD
    Inventors: Mu Young Kim, Jun Hwan Lee, Jun Young Heo, Ho Suk Jung, Hyeok Seung Lee, Keun Gwack, Sang Do Park, Chan Ho Jung, Jae Hun Jeong, Sang Soo Lee, Sai Youn Jung, Seon Ho Park, Jun Hyuk Park, Jae Yong Jang, Jun Sik Hwang, Joong Geol Gug, Woo Ryang Kim, Jai Wha Choi, Gil Hwan Ryu, So Yun Kim
  • Patent number: 12089436
    Abstract: Provided is an encapsulation film, an organic electronic device comprising the same, and a method for manufacturing an organic electronic device comprising the same. The encapsulation film comprises an encapsulation layer comprising a moisture adsorbent, and a metal mesh layer formed on the encapsulation layer.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: September 10, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Jae Seol Ryu, Dong Hwan Ryu, Moon Cheol Shin, Se Hyun Jang, Yeong Bong Mok
  • Publication number: 20240165824
    Abstract: Disclosed herein is an inspection robot system for the customs inspection of container-loaded cargo. The inspection robot system includes: an attachment-type mobile robot configured to drive in the state of being attached to the top surface of a container; and a flexible robot system configured to interface with the attachment-type mobile robot, to selectively accommodate and extend a flexible robot having multiple degrees of freedom, and to perform inspection on cargo.
    Type: Application
    Filed: August 23, 2023
    Publication date: May 23, 2024
    Applicants: Korea Advanced Institute of Science and Technology, UJIN Technology, Inc.
    Inventors: Ki Uk KYUNG, Jee Hwan RYU, Ye Sung YI, Hee Ju MUN, Ji Sung KIM, Dong Geol LEE, Joong Ku LEE, Young Geun KIM, Gee Joon EUM, Hyun Su KIM, Hyun Soo JO
  • Publication number: 20230402639
    Abstract: The present disclosure relates to startup and cold shutdown (CSD) of a multi-module fuel cell power generating system. According to the present disclosure, a first fuel cell module may supply electric power that is required for startup and cold shutdown of a second fuel cell module, and the second fuel cell module may perform the startup or cold shutdown of the second fuel cell module by using the electric power supplied from the first fuel cell module. According to the present disclosure, the numbers of high-voltage batteries, low-voltage batteries and bi-directional low voltage DC-DC converters (BLDCs) used for multi-module fuel cell power generation may be reduced and control complexity may be reduced.
    Type: Application
    Filed: October 19, 2022
    Publication date: December 14, 2023
    Inventor: Jung Hwan Ryu
  • Publication number: 20230268356
    Abstract: A method of manufacturing a display device in a chamber in which a material including yttrium is coated on an inner surface includes: forming a first layer pattern by dry etching on a substrate; depositing a second layer material on the first layer pattern; forming a photoresist pattern on the second layer material; completing a second layer pattern by using the photoresist pattern as an etch mask; and performing an additional acid etching process by using an etching solution including at least one of hydrochloric acid, sulfuric acid, or nitric acid before the forming of the photoresist pattern on the second layer material after the dry etching to form the first layer pattern.
    Type: Application
    Filed: January 18, 2023
    Publication date: August 24, 2023
    Inventors: Yong-Hwan RYU, Woo Jin CHO, Jong-Hyun CHOUNG, Jae Uoon KIM, Sun-Jin SONG, Hyun Duck CHO
  • Patent number: 11731268
    Abstract: Provided is a soft growing robot which may be precisely controlled by reducing the effect of a tail tension applied to its inner periphery. The soft growing robot includes a case having one open side; and a vine including an outer periphery having one end fixed to one side surface of the case, the inner periphery disposed inside the outer periphery while being spaced apart from the outer periphery and extended into the case, a tip connecting the other end of the outer periphery and one end of the inner periphery to each other, and a tip space formed by the outer periphery, the tip and the inner periphery, and a tip space formed by the outer periphery, the tip and the inner periphery. A diameter of the tip is smaller than a diameter of the outer periphery to a bent portion between the tip and the outer periphery.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: August 22, 2023
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jee Hwan Ryu, Nam Gyun Kim
  • Publication number: 20230173666
    Abstract: Provided is a soft growing robot which may be precisely controlled by reducing the effect of a tail tension applied to its inner periphery, the soft growing robot including: a case having one open side; and a vine including an outer periphery having one end fixed to one side surface of the case, the inner periphery disposed inside the outer periphery while being spaced apart from the outer periphery and extended into the case, a tip connecting the other end of the outer periphery and one end of the inner periphery to each other, and a tip space formed by the outer periphery, the tip and the inner periphery, and a tip space formed by the outer periphery, the tip and the inner periphery, wherein a diameter of the tip is smaller than a diameter of the outer periphery, thereby forming a bent portion between the tip and the outer periphery.
    Type: Application
    Filed: December 3, 2021
    Publication date: June 8, 2023
    Inventors: Jee Hwan RYU, Nam Gyun KIM
  • Publication number: 20230151078
    Abstract: The present application provides a single-chain blood coagulation factor VIII including a B region which is partially deleted to contain at least four glycosylation sites, but not a region to be cleaved by furin, or a single-chain blood coagulation factor VIII in which the A or B region has some residues pegylated. A single-chain blood coagulation factor VIII according to the present application not only retains intact therapeutic efficacy and can be easily produced on mass scale because of its single chain form, but also has an increased half-life in vivo through pegylation, thus enhancing convenience for patients as a therapeutic agent for hemophilia A and bringing about a reduction of medical expenses through reduction in production cost.
    Type: Application
    Filed: June 23, 2017
    Publication date: May 18, 2023
    Applicant: MOGAM INSTIITUTE FOR BIOMEDICAL RESEARCH
    Inventors: Kwan-Yub KANG, Seung-Hoon LEE, Injae OH, Mee Sook OH, Jae Hwan RYU, Eui-Cheol JO, Ki-Nam LEE, Sun-Ah YANG
  • Publication number: 20230062541
    Abstract: A controller and a controlling method of operating a fuel cell are provided. The controller for operating a fuel cell in a system, the system being configured to generate an output through the fuel cell and a battery, includes an input part configured to receive a system request output of a user, a calculating part configured to calculate a fuel cell output by excluding a battery output from the system request output of the user, the battery output being derived through a plurality of factors, the plurality of factors including residual available energy of the fuel cell, and an operating part configured to control the operation of the fuel cell in response to the fuel cell output calculated by the calculating part.
    Type: Application
    Filed: July 15, 2022
    Publication date: March 2, 2023
    Inventor: Jung Hwan RYU
  • Patent number: 11590542
    Abstract: A particle collection device includes a collection sheet and a frame on which the collection sheet is mounted. The collection sheet includes a base sheet, a magnetic substance, and a metal protrusion disposed on the base sheet to be adjacent to the magnetic substance.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: February 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Hwan Ryu, Jiae Kim, Yunji Nam, Sun-Jin Song, In-Ja Han
  • Patent number: 11594561
    Abstract: A method of manufacturing a display device in a chamber in which a material including yttrium is coated on an inner surface includes: forming a first layer pattern by dry etching on a substrate; depositing a second layer material on the first layer pattern; forming a photoresist pattern on the second layer material; completing a second layer pattern by using the photoresist pattern as an etch mask; and performing an additional acid etching process by using an etching solution including at least one of hydrochloric acid, sulfuric acid, or nitric acid before the forming of the photoresist pattern on the second layer material after the dry etching to form the first layer pattern.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: February 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong-Hwan Ryu, Woo Jin Cho, Jong-Hyun Choung, Jae Uoon Kim, Sun-Jin Song, Hyun Duck Cho
  • Patent number: 11581554
    Abstract: A cooling control method of a fuel cell is provided. The method includes estimating a temperature of a separator based on heat exchange between the separator formed between unit cells of a fuel cell stack and coolant flowing through a cooling line between the separators. A ratio of coolant passing through a heat exchange device to coolant bypassing the heat exchange device is adjusted based on the estimated temperature of the separator. Additionally, a rotation speed of a pump for circulating coolant for cooling the fuel cell stack is adjusted based on the estimated temperature of the separator.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: February 14, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jung Hwan Ryu, Dong Hun Lee
  • Patent number: D1030845
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: June 11, 2024
    Assignee: SAMYANG OPTICS CO., LTD.
    Inventors: Soo Won Yoon, Myeong Hwan Ryu
  • Patent number: D1051972
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: November 19, 2024
    Assignee: SAMYANG OPTICS CO., LTD.
    Inventors: Soo Won Yoon, Eun Jin Kim, Myeong Hwan Ryu