Patents by Inventor Yong-Hun Lee

Yong-Hun 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).

  • Publication number: 20180237594
    Abstract: A preparation method of a superabsorbent polymer, and a superabsorbent polymer prepared thereby are provided. The preparation method of the superabsorbent polymer according to the present disclosure prevents polymer particles from being broken or the surface thereof from being damaged during preparation and handling of the superabsorbent polymer, thereby providing a superabsorbent polymer having excellent absorption properties and permeability.
    Type: Application
    Filed: April 15, 2016
    Publication date: August 23, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yong Hun Lee, Hyung Ki Yoon, Chang Sun Han, Jung Min Sohn
  • Patent number: 10057614
    Abstract: An apparatus and a method for providing an adaptive multimedia service in a mobile communication system are provided. The method of providing a multimedia service includes collecting user-preference-aware information, device-capability-aware information, and network-aware information, generating a packet according to a correlation among the user-preference-aware information, the device-capability-aware information, and the network-aware information, and providing a multimedia service according to the generated packet.
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: August 21, 2018
    Assignees: Samsung Electronics Co., Ltd., University-Industry Cooperation Group of Kyung Hee University
    Inventors: Sung-Oh Hwang, Doug-Young Suh, Kyung-Mo Park, Yong-Hun Lee, Jun-Oh Kim, Jae-Yeon Song, Yong-Il Kwon
  • Patent number: 10037870
    Abstract: A method of performing a surface treatment includes passivating a surface of an insulating part in a reaction chamber, and then performing a hydrogen plasma annealing treatment on a substrate in the reaction chamber. The passivation of the surface of the insulating part includes supplying a nitrogen-based gas into the reaction chamber and exciting the nitrogen-based gas in the reaction chamber using a plasma generator.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: July 31, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-ho Kang, Ki-chul Kim, Yong-hun Lee, Pyung Moon, Sun-young Lee, Un-ki Kim
  • Patent number: 10023703
    Abstract: Provided are a preparation method of a superabsorbent polymer, and a superabsorbent polymer prepared thereby. The preparation method of the superabsorbent polymer according to the present disclosure enables preparation of the superabsorbent polymer which is excellent in absorption properties such as centrifuge retention capacity and absorbency under pressure, and also has improved permeability. In addition, the preparation method exhibits excellent operability during the preparation (in particular, surface crosslinking of the polymer) and excellent productivity due to low production of coarse particles and fine particles.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: July 17, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Yong Hun Lee, Chang Sun Han, Hye Mi Nam, Dong Jo Ryu, Hyemin Lee
  • Publication number: 20180198225
    Abstract: The present disclosure relates to a terminal capable of preventing deformation due to a load applied upon being in contact with a board, and the terminal includes a body, and a contact positioned inside the body and being in contact with the strip of the board. The contact includes a first bending portion bent backwardly from the front end of the body and elastic-deformed when being in contact with the board, a first inclined portion extending backwardly from the first bending portion, a second bending portion bent forwardly from a rear end of the first inclined portion and being in contact with the board, a second inclined portion extending forwardly from the second bending portion, and a support portion bent at a front end of the second inclined portion and limiting the deformation of the first bending portion when being in contact with the body.
    Type: Application
    Filed: December 27, 2017
    Publication date: July 12, 2018
    Inventors: Kyung-Nam LEE, Yong-Hun LEE, Choon-Woo LEE
  • Publication number: 20180159964
    Abstract: A method and an apparatus for transmitting a multimedia data packet are provided. The method includes generating Media Abstraction Layer (MAL) information for abstracting information on the multimedia data to be transmitted, generating a multimedia data packet including said MAL information, and transmitting the generated multimedia data packet to a network entity.
    Type: Application
    Filed: February 5, 2018
    Publication date: June 7, 2018
    Inventors: Kyung-Mo PARK, Sung-Oh HWANG, Jae-Yeon SONG, Doug Young SUH, Yong Hun LEE
  • Patent number: 9976003
    Abstract: The present invention relates to a method for preparing a super absorbent polymer. The method for preparing a super absorbent polymer according to the present invention can provide a super absorbent resin exhibiting fast absorption rate and high saline flow conductivity while having excellent absorption properties such as a centrifuge retention capacity and an absorbency under pressure, by using the polycarboxylic acid-based copolymer under pulverization of the hydrous gel phase polymer.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: May 22, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Yong Hun Lee, Tae Bin Ahn, Chang Sun Han, Sung Jong Seo
  • Patent number: 9906631
    Abstract: A method and an apparatus for transmitting a multimedia data packet are provided. The method includes generating Media Abstraction Layer (MAL) information for abstracting information on the multimedia data to be transmitted, generating a multimedia data packet including said MAL information, and transmitting the generated multimedia data packet to a network entity.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: February 27, 2018
    Assignees: Samsung Electronics Co., Ltd., University-Industry Cooperation Group of Kyung Hee University
    Inventors: Kyung-Mo Park, Sung-Oh Hwang, Jae-Yeon Song, Doug Young Suh, Yong Hun Lee
  • Publication number: 20180012737
    Abstract: A plasma monitoring device includes a fixing unit, a plasma measuring unit disposed to be in contact with the fixing unit, and measuring a luminous intensity of emitted light of a plasma to output a luminous intensity measurement value, a reference light source unit irradiating reference light having a uniform luminous intensity to the plasma measuring unit, and a control unit receiving the luminous intensity measurement value to calculate a luminous intensity value of the emitted light, controlling a voltage applied to the reference light source unit to uniformly control a luminous intensity of the reference light, comparing a luminous intensity of the reference light irradiated to the plasma measuring unit with a previously stored luminous intensity reference value to detect a correction factor, and applying the correction factor to a luminous intensity value of the emitted light to correct the luminous intensity measurement value.
    Type: Application
    Filed: January 10, 2017
    Publication date: January 11, 2018
    Inventors: Pyung Moon, Sung Ho Kang, Ki Chul Kim, Un Ki Kim, Yong Hun Lee, Jae Hee Lee, Yong Seok Song, Hang Mook Park, Je Hoon Oh
  • Publication number: 20180003757
    Abstract: One embodiment provides a technique of adjusting a gate voltage to be applied to at least one MOS capacitor and an amount of electric charges to be stored in the MOS capacitor so as to determine a sensitivity of a change in the amount of electric charges stored in the MOS capacitor, and exposing the MOS capacitor to an electric filed for a predetermined amount of time and then reading an electron inflow or outflow result due to the electric field so as to interpret the intensity and the direction of the electric field, thereby measuring the intensity and the direction of the electric field.
    Type: Application
    Filed: July 12, 2017
    Publication date: January 4, 2018
    Applicant: SNU R&DB FOUNDATION
    Inventors: Sang Lyul MIN, Yong Hun LEE
  • Patent number: 9818596
    Abstract: An arc lamp includes an arc tube configured to receive a reaction gas therein, and an anode and a cathode disposed opposite one another within the arc tube and configured to generate an electrical arc. The anode includes an anode head portion extending inwardly from an end portion of the arc tube, and an anode tip portion bonded to the anode head portion and comprising a trench extending in a top surface along a peripheral region of the anode tip portion.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: November 14, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gon-Su Kang, Sung-Ho Kang, Min-Chul Kim, Sun-Ho Ryu, Kwang-jun Lee, Yong-Hun Lee, Ju-Hong Lee, Sun-Hong Choi, Sang-Cheol Ha
  • Publication number: 20170300537
    Abstract: Methods and systems for a keyword search using a messenger service may be provided. A keyword search method may provide a search result to users based on instant messages transmitted and received through a messenger service.
    Type: Application
    Filed: April 7, 2017
    Publication date: October 19, 2017
    Applicant: LINE Corporation
    Inventors: Jiwon KIM, Taegyu YOO, Seung Hwan LEE, Hyun ju YI, Yong-Hun LEE, Eunhee MIN, Chanil KIM
  • Publication number: 20170250121
    Abstract: Provided are a semiconductor-accommodating tray and a cover therefor. The semiconductor-accommodating tray includes a heat-resistant base plate, a plurality of pocket parts disposed on the heat-resistant base plate and configured to accommodate semiconductor devices, a guide part disposed at an edge of each pocket part, and a carbonaceous conductive material layer coated on surfaces of the heat-resistant base plate, the pocket parts, and the guide parts. When the semiconductor-accommodating tray and the cover therefor are used, production of particles significantly decreases, and low and uniform electric resistance and excellent antistatic effects are obtained.
    Type: Application
    Filed: February 24, 2017
    Publication date: August 31, 2017
    Applicant: Kostat, Inc.
    Inventors: Ki Kyeong HO, Yong Hun LEE
  • Patent number: 9700873
    Abstract: The present invention relates to a method for preparing a super absorbent polymer. The method for preparing a super absorbent polymer according to the present invention can provide a super absorbent resin having fast absorption rate and high absorption properties under pressure by using the polycarboxylic acid-based copolymer under pulverization of the hydrous gel phase polymer.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: July 11, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Yong Hun Lee, Tae Bin Ahn, Chang Sun Han, Hwayoon Jung
  • Publication number: 20170162369
    Abstract: A method of performing a surface treatment includes passivating a surface of an insulating part in a reaction chamber, and then performing a hydrogen plasma annealing treatment on a substrate in the reaction chamber. The passivation of the surface of the insulating part includes supplying a nitrogen-based gas into the reaction chamber and exciting the nitrogen-based gas in the reaction chamber using a plasma generator.
    Type: Application
    Filed: September 8, 2016
    Publication date: June 8, 2017
    Inventors: Sung-ho KANG, Ki-chul KIM, Yong-hun LEE, Pyung MOON, Sun-young LEE, Un-ki KIM
  • Patent number: 9656242
    Abstract: The present invention relates to a method for preparing a super absorbent polymer. The method for preparing a super absorbent polymer according to the present invention comprises the steps of: preparing a hydrogel polymer by carrying out a thermal polymerization or a photopolymerization of a monomer composition including a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; drying the hydrogel polymer; pulverizing the dried polymer; mixing the pulverized polymer with a surface crosslinking agent and a polymer particle having a core-shell structure; and carrying out a surface crosslinking reaction. According to the present invention, the super absorbent polymer having improved permeability can be obtained by adding the polymer particle during surface crosslinking.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: May 23, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Yong Hun Lee, Chang Sun Han, Sang Gi Lee, Mi Young Kim
  • Patent number: 9649991
    Abstract: A structure for mounting a rear camera for a vehicle, may include a rear glass in which a mounting hole is perforated; a camera housing in which a camera module is embedded; and a wiper pivot which enters the mounting hole from an internal side of the rear glass, and has an end of an external side coupled with a wiper blade, in which the camera housing is mounted so that the wiper pivot passes through the camera housing, and is fixed between the wiper blade and the rear glass, in a manner that the camera housing is coupled so that the wiper pivot passes through an upper portion of the camera housing, and a camera module is located at a lower portion of the camera housing.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: May 16, 2017
    Assignees: Hyundai Motor Company, Kia Motor Corporation
    Inventors: Yong-Hun Lee, Soo-Kyoung Yang, Yong Lee, Sang-Sul Lee, Tae-Yub Kim, Ju-Yong Park, Yun-Seok Oh, Yong-Woo Lee
  • Publication number: 20170126761
    Abstract: A method for receiving a media data is provided. The method includes receiving, by a client from a server, a media presentation description (MPD) including segment information; and receiving media data based on the MPD, wherein the media data comprises a segment, wherein the segment includes a fragment, and wherein the fragment includes a subfregment, wherein the segment information indicates a location of the media data, and wherein the segment information comprises segment index information indicating a corresponding byte range related one fragment, and fragment index information for accessing different levels of a plurality of subfragments.
    Type: Application
    Filed: November 21, 2016
    Publication date: May 4, 2017
    Inventors: Kyung-Mo PARK, Doug-Young SUH, Yong-Hun LEE, Jae-Yeon SONG
  • Publication number: 20170088062
    Abstract: A structure for mounting a rear camera for a vehicle, may include a rear glass in which a mounting hole is perforated; a camera housing in which a camera module is embedded; and a wiper pivot which enters the mounting hole from an internal side of the rear glass, and has an end of an external side coupled with a wiper blade, in which the camera housing is mounted so that the wiper pivot passes through the camera housing, and is fixed between the wiper blade and the rear glass, in a manner that the camera housing is coupled so that the wiper pivot passes through an upper portion of the camera housing, and a camera module is located at a lower portion of the camera housing.
    Type: Application
    Filed: November 24, 2015
    Publication date: March 30, 2017
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Yong-Hun LEE, Soo-Kyoung YANG, Yong LEE, Sang-Sul LEE, Tae-Yub KIM, Ju-Yong PARK, Yun-Seok OH, Yong-Woo LEE
  • Publication number: 20170053791
    Abstract: An arc lamp includes an arc tube configured to receive a reaction gas therein, and an anode and a cathode disposed opposite one another within the arc tube and configured to generate an electrical arc. The anode includes an anode head portion extending inwardly from an end portion of the arc tube, and an anode tip portion bonded to the anode head portion and comprising a trench extending in a top surface along a peripheral region of the anode tip portion.
    Type: Application
    Filed: April 8, 2016
    Publication date: February 23, 2017
    Inventors: Gon-Su Kang, Sung-Ho KANG, Min-Chul KIM, Sun-Ho RYU, Kwang-jun LEE, Yong-Hun LEE, Ju-Hong LEE, Sun-Hong CHOI, Sang-Cheol HA