Patents by Inventor Hyun Uk Lee

Hyun Uk 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: 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: 20240161676
    Abstract: A display device includes PAM data lines receiving PAM and PWM data voltages, and sub-pixels connected to the PAM and PWM data lines. A sub-pixel includes a light emitting element, a first pixel driver to supply a control current according to one of the PAM data voltages to a node, a second pixel driver to generate a driving current according to one of the PWM data voltages, and a third pixel driver to adjust a period during which the driving current is supplied to the light emitting element according to a voltage of the node. A peak current value of the driving current when the sub-pixel emits a light corresponding to a low gray level region is smaller than a peak current value of the driving current when the sub-pixel emits a light corresponding to a high gray level region higher than the low gray level region.
    Type: Application
    Filed: January 25, 2024
    Publication date: May 16, 2024
    Inventors: Jung Hwan HWANG, Hyun Joon KIM, Kye Uk LEE, Jun Ki JEONG
  • Patent number: 11975991
    Abstract: A neutralization/water separation device for an esterified product including: a neutralization tank in which a crude product mixture containing alcohol and an ester compound, a neutralizing agent, and water are put to produce a neutralized mixture; a water separation tank disposed below the neutralization tank to divide the neutralization mixture into a floating layer and an aqueous layer; a partition wall extending downward from a ceiling of the water separation tank to provide a lower passage in the water separation tank; and a transfer line that transfers the neutralized mixture from the neutralization tank to the water separation tank, where the water separation tank includes: a first water separation part into which the neutralized mixture is introduced from the neutralization tank through the transfer line; and a second water separation part into which the neutralized mixture is introduced from the first water separation part through the lower passage, where the first water separation part and the secon
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: May 7, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Yeon Uk Choo, Sung Kyu Lee, Hyun Kyu Kim, Chan Hyu Jin, Hyoung Jun, Jin Sung Park
  • Patent number: 11961822
    Abstract: A display device includes a substrate including a plurality of emission areas respectively corresponding to a plurality of subpixels for displaying an image, a plurality of light emitting elements respectively located in the plurality of emission areas of a first surface of the substrate and respectively corresponding to the plurality of subpixels, a first planarization layer on the first surface of the substrate and covering the plurality of light emitting elements, and an array layer on the first planarization layer.
    Type: Grant
    Filed: December 7, 2022
    Date of Patent: April 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Joon Kim, Jung Hwan Hwang, Kye Uk Lee, Sang Jin Jeon
  • Publication number: 20240112626
    Abstract: A display device includes a scan write line, a PWM emission line, a PAM emission line, a sweep signal line, a first data line, a second data line, and a subpixel connected thereto, and including a light emitting element, a first pixel driver to supply a control current to a node according to the first data voltage in response to the PWM emission signal, a second pixel driver to generate a driving current according to the second data voltage in response to the PWM emission signal, and a third pixel driver to supply the driving current to the light emitting element according to the PAM emission signal and a voltage of the node, wherein the PWM emission signal includes a plurality of PWM pulses, the PAM emission signal includes a plurality of PAM pulses, and a number of the PWM pulses is greater than a number of the PAM pulses.
    Type: Application
    Filed: December 4, 2023
    Publication date: April 4, 2024
    Inventors: Jung Hwan HWANG, Hyun Joon KIM, Kye Uk LEE, Sang Jin JEON, Jun Ki JEONG
  • Publication number: 20240081124
    Abstract: A display device includes a via insulating layer on a substrate; a first electrode on the via insulating layer; a pixel defining layer including an inclined region on the first electrode and including a first opening exposing a portion of the first electrode, and a flat region at a side of the inclined region and in contact with the via insulating layer; a light emitting layer on the portion of the first electrode exposed by the first opening; organic particles on the flat region of the pixel defining layer; an encapsulation layer covering the pixel defining layer, the light emitting layer, and the organic particles, and including a first layer, a second layer, and a third layer; and a first light blocking layer on the third layer of the encapsulation layer to overlap the flat region of the pixel defining layer and form a second opening.
    Type: Application
    Filed: May 8, 2023
    Publication date: March 7, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Ho KIM, Dong Uk KIM, Hyoeng Ki KIM, Hyeon Bum LEE, Hoon Gi LEE, Chaun Gi CHOI
  • Publication number: 20240071299
    Abstract: A display device includes connection lines, pulse amplitude modulation (PAM) data lines configured to receive pulse width modulation (PWM) data voltages, PWM data lines configured to receive the PWM data voltages, a first connection control line configured to receive a first connection control signal, a second connection control line configured to receive a second connection control signal, subpixels connected to the PWM data lines and the PAM data lines, and a first demultiplexer (demux) unit configured to connect the connection lines to the PAM data lines or to the PWM data lines according to the first connection control signal and the second connection control signal.
    Type: Application
    Filed: October 30, 2023
    Publication date: February 29, 2024
    Inventors: Jung Hwan HWANG, Hyun Joon KIM, Kye Uk LEE, Jun Ki JEONG, Sang Jin JEON
  • Publication number: 20230117964
    Abstract: Disclosed herein is a non-slip reinforcing bar coupler including: a body which has a body part of a pipe shape, a protrusion part formed in the middle of the body part, a pair of first screw threads formed on the outer surface of the body part and at both sides of the protrusion part, a pair of insertion holes formed at both sides of the body part, and a stopper formed in the middle of the inside of the body part; and a cap which has a cap insertion hole formed at one side, a cap body formed on the inner surface of the other side and having a second screw thread screw-coupled with the first screw thread, and a second inner sloping side formed on the inner surface of the cap insertion hole.
    Type: Application
    Filed: October 20, 2021
    Publication date: April 20, 2023
    Applicant: N C COUPLER LLC
    Inventor: Hyun Uk LEE
  • Patent number: 11626663
    Abstract: A band changer includes a rotor having a rotation axis, and a plurality of transceivers disposed separately from the rotation axis and provided in the rotor along a circumferential direction of the rotor, and configured to transmit and receive waves respectively having different frequency bands.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: April 11, 2023
    Assignee: Intellian Technologies, Inc.
    Inventors: Hyun Uk Lee, Seung Hyun Cha
  • Patent number: 11619048
    Abstract: Disclosed herein is a non-slip reinforcing bar coupler including: a body which has a body part of a pipe shape, a protrusion part formed in the middle of the body part, a pair of first screw threads formed on the outer surface of the body part and at both sides of the protrusion part, a pair of insertion holes formed at both sides of the body part, and a stopper formed in the middle of the inside of the body part; and a cap which has a cap insertion hole formed at one side, a cap body formed on the inner surface of the other side and having a second screw thread screw-coupled with the first screw thread, and a second inner sloping side formed on the inner surface of the cap insertion hole.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: April 4, 2023
    Assignee: N C COUPLER LLC
    Inventor: Hyun Uk Lee
  • Publication number: 20220285835
    Abstract: A communication system according to one embodiment comprises: a communication device including a tracking unit which rotates with respect to a first axis, a second axis, and a third axis that are orthogonal to each other and which performs radio-wave communication with a moving object moving within the field of view; and a controller for controlling the communication device so that the tracking unit rotates with respect to the first axis and the second axis in the range of a first trajectory angle of the moving body and rotates with respect to the second axis and the third axis in the range of a second trajectory angle of the moving object.
    Type: Application
    Filed: May 4, 2020
    Publication date: September 8, 2022
    Inventors: Hyun Uk LEE, Min Son SON
  • Publication number: 20210399416
    Abstract: A pedestal includes a supporter having an azimuth axis and a pivot on the azimuth axis, and a tracker connected to the pivot and configured to track an object within a field of view, wherein the azimuth axis is tilted with respect to a reference plane on which the supporter is installed in a direction away from a zenith line joining the pivot with a zenith within the field of view, and a tilt angle between the azimuth axis and the reference plane is set to correspond to an orbital angle of the object.
    Type: Application
    Filed: January 8, 2020
    Publication date: December 23, 2021
    Inventor: Hyun Uk LEE
  • Patent number: 11028588
    Abstract: Disclosed is a rebar coupler. The rebar coupler includes a housing having first and second openings for receiving first and second rebars, respectively, and a partition disposed at a center; a mounting member inserted in each end of the housing and receiving rebars therein; a plurality of coupling members slidably disposed on the mounting member and being brought into contact with an outer peripheral surface of the inserted rebars to prevent the rebars from moving out from the rebar coupler; a resilient member configured to apply a restoring force to the coupling members so that the coupling members slid by the rebar inserted in the mounting member are returned to an original position; and a cover fastened to both ends of the housing to prevent the mounting member and the coupling members from moving out from the housing due to a tensile force of the rebar.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: June 8, 2021
    Assignee: N C COUPLER LLC
    Inventor: Hyun Uk Lee
  • Patent number: 10957976
    Abstract: Disclosed is a pedestal apparatus having an antenna attached thereto capable of biaxial motion. The pedestal apparatus according to one embodiment may comprise: a body; a first drive unit, arranged on the lower part of the body, for transmitting driving power; a second drive unit, arranged on the lower part of the body, for transmitting driving power; a first drive gear arranged on the upper part of the body and receiving driving power from the first drive unit; a second drive gear arranged on the upper part of the body opposite the first drive gear, and receiving driving power from the second drive unit; and a driven gear which rotates by receiving driving power from the first and second drive gears, and to which an antenna is connected, wherein the antenna can move biaxially in accordance with the rotational directions of the first and second drive gears.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: March 23, 2021
    Assignee: INTELLIAN TECHNOLOGIES, INC.
    Inventors: Hyun Uk Lee, A Reum Han
  • Publication number: 20200243965
    Abstract: A band changer includes a rotor having a rotation axis, and a plurality of transceivers disposed separately from the rotation axis and provided in the rotor along a circumferential direction of the rotor, and configured to transmit and receive waves respectively having different frequency bands.
    Type: Application
    Filed: October 1, 2019
    Publication date: July 30, 2020
    Inventors: Hyun Uk LEE, Seung Hyun CHA
  • Publication number: 20200157819
    Abstract: A non-slip reinforcing bar coupler includes a coupler body, a stopper, and a thread formed on outer surfaces thereof, a cap having an insertion hole, a cap body having a thread for screw-coupling with the coupler body, and an inclined surface formed on an inner surface of the insertion hole thereof, a locker having pressing pieces that have a cross section of an arc shape, a spike protruding from an inner surface of the pressing piece, and an outer inclined surface formed on a front outer surface of the pressing piece at the same inclination as the inclined surface of the cap, the rear side of the locker being inserted into the cap, and a support member located between the coupler body and the locker, deformed when the cap is tightened, and allowing the locker to be displaced to the coupler body by a certain displacement.
    Type: Application
    Filed: October 19, 2019
    Publication date: May 21, 2020
    Applicant: N C COUPLER LLC
    Inventors: Hyun Uk Lee, Jae Don Lim
  • Publication number: 20190173170
    Abstract: Disclosed is a pedestal apparatus having an antenna attached thereto capable of biaxial motion. The pedestal apparatus according to one embodiment may comprise: a body; a first drive unit, arranged on the lower part of the body, for transmitting driving power; a second drive unit, arranged on the lower part of the body, for transmitting driving power; a first drive gear arranged on the upper part of the body and receiving driving power from the first drive unit; a second drive gear arranged on the upper part of the body opposite the first drive gear, and receiving driving power from the second drive unit; and a driven gear which rotates by receiving driving power from the first and second drive gears, and to which an antenna is connected, wherein the antenna can move biaxially in accordance with the rotational directions of the first and second drive gears.
    Type: Application
    Filed: June 30, 2016
    Publication date: June 6, 2019
    Applicant: INTELLIAN TECHNOLOGIES, INC.
    Inventors: Hyun Uk Lee, A Reum Han
  • Patent number: 10258956
    Abstract: Photoluminescent carbon nanoparticles and a method of preparing the same are described herein. A method of preparing photoluminescent carbon nanoparticles includes obtaining carbon nanodots, and treating the carbon nanodots with plasma.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: April 16, 2019
    Assignee: Korea Basic Science Institute
    Inventors: Hyun-Uk Lee, Jouhahn Lee, So Young Park
  • Publication number: 20190093362
    Abstract: Disclosed is a rebar coupler. The rebar coupler includes a housing having first and second openings for receiving first and second rebars, respectively, and a partition disposed at a center; a mounting member inserted in each end of the housing and receiving rebars therein; a plurality of coupling members slidably disposed on the mounting member and being brought into contact with an outer peripheral surface of the inserted rebars to prevent the rebars from moving out from the rebar coupler; a resilient member configured to apply a restoring force to the coupling members so that the coupling members slid by the rebar inserted in the mounting member are returned to an original position; and a cover fastened to both ends of the housing to prevent the mounting member and the coupling members from moving out from the housing due to a tensile force of the rebar.
    Type: Application
    Filed: December 18, 2017
    Publication date: March 28, 2019
    Inventor: Hyun Uk Lee
  • Publication number: 20180133680
    Abstract: Photoluminescent carbon nanoparticles and a method of preparing the same are described herein. A method of preparing photoluminescent carbon nanoparticles includes obtaining carbon nanodots, and treating the carbon nanodots with plasma.
    Type: Application
    Filed: May 3, 2017
    Publication date: May 17, 2018
    Applicant: KOREA BASIC SCIENCE INSTITUTE
    Inventors: Hyun-Uk Lee, Jouhahn Lee, So Young Park