Patents by Inventor Hoon Chung

Hoon Chung 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: 20220410784
    Abstract: An embodiment mobile object includes a frame part having an internal space, a wheel part coupled to a first side of the frame part and comprising a wheel, movable modules coupled to a second side of the frame part and configured to be movable in a vertical direction relative to the frame part, and a door module coupled to a first side of the movable modules, the door part being rotatable relative to the movable modules in a direction toward the internal space or a direction away from the internal space.
    Type: Application
    Filed: January 27, 2022
    Publication date: December 29, 2022
    Inventors: Sun Myoung Jo, Jin Choi, Hoon Chung
  • Publication number: 20220388339
    Abstract: An embodiment wheel includes a frame configured to rotate about an axial direction, an absorber coupled to a side of the frame in a radially outward direction, and a connector connecting the absorber and the frame, wherein a first portion of the connector is configured to be movable along the radially outward direction and a radially inward direction of the frame, and a second portion of the connector is configured to be rotatable on a plane that crosses the axial direction.
    Type: Application
    Filed: December 8, 2021
    Publication date: December 8, 2022
    Inventors: Sun Myoung Jo, Jin Choi, Hoon Chung
  • Publication number: 20220389530
    Abstract: The present invention relates to a wire rod used as a material for a core wire for a power line and, more specifically, to a wire rod having both high strength and a non-magnetic property, and a method for manufacturing same.
    Type: Application
    Filed: October 6, 2020
    Publication date: December 8, 2022
    Applicant: POSCO
    Inventors: Bong-Keun Lee, Sung-Hoon Chung
  • Patent number: 11514834
    Abstract: A tiled display device includes an array of a plurality of display panels. Each of the plurality of display panels includes a plurality of pixels constituting a plurality of pixel rows and a plurality of pixel columns, a data distributor disposed between a first pixel of a first pixel row among the plurality of pixel rows and a second pixel of the first pixel row adjacent to the first pixel in a first direction, and a scan driver disposed between the second pixel and a third pixel adjacent to the second pixel in the first direction.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Ki Jeong, Hyun Joon Kim, Kyung Bae Kim, Kyung Hoon Chung, Chong Chul Chai
  • Patent number: 11514846
    Abstract: A display device includes a light-emitting diode including a first conductivity-type semiconductor, an active layer, and a second conductivity-type semiconductor; a first voltage line to which a first voltage is applied; a second voltage line to which a second voltage is applied; a first transistor including a source electrode electrically connected to the first voltage line and a drain electrode electrically connected to a first electrode of the light-emitting diode and to the first conductivity-type semiconductor; a second transistor including a drain electrode electrically connected to a gate electrode of the first transistor and a source electrode electrically connected to a data line to apply a data signal; a capacitor electrically connected to the gate electrode of the first transistor and the first electrode; and a third transistor including a source electrode electrically connected to the second voltage line and a drain electrode electrically connected to the first electrode.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: November 29, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Jae Jeong, Kyung Bae Kim, Chong Chul Chai, Kyung Hoon Chung
  • Publication number: 20220371131
    Abstract: The purpose of the present invention is to provide, as a wire rod suitable for use as a substance for welding materials and, in particular, for welding rods, a wire rod for welding rods, having high tensile strength at room temperature and excellent drawing characteristics, and a manufacturing method therefor.
    Type: Application
    Filed: October 6, 2020
    Publication date: November 24, 2022
    Applicant: POSCO
    Inventors: Bong-Keun Lee, Sung-Hoon Chung
  • Patent number: 11505004
    Abstract: A flexible wheel may include a flexible tire section which is deformable in a radial direction from a circumference thereof, and an anti-bending guide section coupled with the flexible tire section. The anti-bending guide section is connected to a driving shaft, and the flexible tire section and the anti-bending guide section are concentric. The flexible tire section includes a ring-shaped outer layer, one or more inner layers, and a plurality of spokes. In addition, the anti-bending guide section includes a plurality of plates, a hub, and a plurality of guides.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: November 22, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sun-Myoung Jo, Jung-Woo Lee, Hoon Chung, Jin Choi
  • Patent number: 11505068
    Abstract: A vehicle function control apparatus and method control various vehicle functions. A control method of an integrated manipulation unit may include: establishing a first data path with a first detachable knob attached to a first attachment position among at least one attachment position provided in an attachment unit; transmitting information on a first function to be controlled corresponding to the first attachment position to the first detachable knob through the first data path; establishing a second data path with a second detachable knob stacked on the first detachable knob; and transmitting information on a second function to be controlled corresponding to the first attachment position to the second detachable knob through the second data path.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: November 22, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Jae Hoon Chung, Si Hoon Sung
  • Publication number: 20220366852
    Abstract: A pixel including: a light emitting element; a first transistor connected between a first power source and a second node; a first capacitor connected to a first node or a second node and a third node; a second transistor between the third node and a data line, the second transistor turned on by a first scan signal; a third transistor between the first and second nodes, the third transistor turned on by a second scan signal; a fifth transistor between the first power source and the first transistor, the fifth transistor turned on by a first emission control signal; a sixth transistor between the second node and the light emitting element, the sixth transistor turned on by a second emission control signal; and an eighth transistor between the second node and a second emission control line, the eighth transistor turned on by a fourth scan signal.
    Type: Application
    Filed: July 28, 2022
    Publication date: November 17, 2022
    Inventors: Min Jae JEONG, Jun Hyun Park, Hyun Joon Kim, Kyung Hoon Chung, Jang Mi Kang, Hae Min Kim
  • Patent number: 11496068
    Abstract: The present invention relates to an energy harvesting apparatus using triboelectrification. The energy harvesting apparatus of the present invention may include: a housing formed in an accommodation space in the energy harvesting apparatus; an electrification sheet accommodated to be rolled into the housing; an elastic body provided in the housing and providing elastic force so that the electrification sheet is rolled into the housing; and an electrode unit provided on the electrification sheet or on the periphery of the electrification sheet and electrificating the electrification sheet through friction while the electrification sheet is pulled or rolled.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: November 8, 2022
    Assignee: CHUNGANG UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Sang Min Lee, Ji Hoon Chung, Su Kyung Lee, Hak Seong Moon, Hyung Seok Yong, Tae Hun Kim, Ban Seok Kim
  • Patent number: 11480218
    Abstract: A universal joint assembly includes a yoke including a serration hole to receive an end portion of a steering column and a bolt-hole to receive a bolt which is used to restrict the steering column received in the serration hole, and a misassembly prevention member coupled to the yoke and elastically movable from a first position in which the bolt-hole is at least partially blocked to a second position in which the bolt-hole is opened, thereby preventing a misassembly of the steering column and improving safety and reliability of the universal joint assembly.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: October 25, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sung Hoon Chung, Dong Wook Lee
  • Patent number: 11472292
    Abstract: A manipulation system capable of controlling various functions in a vehicle includes a detachable rotary manipulation system capable of corresponding to various manipulation environments using an electromagnet and a method of controlling the same. The method includes determining whether a rotary manipulation unit having a plurality of magnets disposed thereat has been attached based on a change in current of a plurality of electromagnetic coils disposed at an attachment unit and controlling whether to activate at least some of the plurality of electromagnetic coils based on at least one of the number of clicks per rotation corresponding to a function to be controlled or a manipulation system type of the rotary manipulation unit upon determining that the rotary manipulation unit has been attached.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: October 18, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jae Hoon Chung, Sung Un Kim, Si Hoon Sung
  • Patent number: 11468704
    Abstract: A fingerprint sensor includes four transistors and a photodetector. The first transistor connects a second node with a third node based on a voltage of a first node, where the first node corresponding to a first electrode of the photodetector. The second transistor connects the second node with a read-out line based on a scan signal. The third transistor supplies a reset voltage to the first node based on a first reset signal. The fourth transistor connects the first node with the second node based on a second reset signal.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: October 11, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Hwa Lee, Mu Kyung Jeon, Kyung Hoon Chung
  • Publication number: 20220285179
    Abstract: A vacuum processing apparatus including: a plurality of transport chambers arranged in order along a first direction; a plurality of process chambers connected to the transport chambers along a second direction that is perpendicular to the first direction; and a position conversion chamber connected to a first transport chamber among the transport chambers. The transport chambers include a rotational movement stage that rotates about a rotation axis that is perpendicular to the first direction and the second direction, and moves along a plane formed by the first direction and the second direction.
    Type: Application
    Filed: March 2, 2022
    Publication date: September 8, 2022
    Inventors: Kyung Hoon CHUNG, Masao NISHIGUCHI, Daisuke IWASE, Ki Jun ROH, Man Soo JANG
  • Publication number: 20220277677
    Abstract: A method of testing a display panel including a pixel coupled to first, second, and third power lines, a data line, scan lines, an emission control line, and a test line, the method includes: applying a first power supply voltage to the first power line; applying a test voltage having a turn-on voltage level to the second power line; applying a scan signal having a turn-on voltage level sequentially to the scan lines and an emission control signal having a turn-on voltage level to the emission control line; applying a gate signal to the test line to turn on a test transistor coupled between two electrode of a light emitting element included in the pixel; measuring a sensing voltage output through the data line; and determining whether the pixel is defective, based on a voltage level of the measured sensing voltage.
    Type: Application
    Filed: May 20, 2022
    Publication date: September 1, 2022
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyun Joon KIM, Jun Ki JEONG, Kyung Hoon CHUNG, Kyung Bae KIM, Seung Chan LEE, Chong Chul CHAI
  • Patent number: 11430390
    Abstract: A display device includes a scan write line for receiving a scan write signal, a first driving voltage line for receiving a first driving voltage, a first data line for receiving first data voltages, a second data line for receiving second data voltages, and a sub-pixel connected to the scan write line, the first data line, the second data line, and the first driving voltage line, wherein the sub-pixel includes a light emitting element connected to the first driving voltage line, a constant current generator configured to apply a driving current to the light emitting element according to a first data voltage among the first data voltages of the first data line, and a light emission period controller configured to control a light emission period of the light emitting element according to a second data voltage among the second data voltages of the second data line.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: August 30, 2022
    Assignees: Samsung Display Co., Ltd., Konkuk University Industrial Cooperation Corp
    Inventors: Min Jae Jeong, Joon Ho Lee, Kee Chan Park, Kyung Hoon Chung, Chong Chul Chai
  • Patent number: 11404003
    Abstract: A pixel including: a light emitting element; a first transistor connected between a first power source and a second node; a first capacitor connected to a first node or a second node and a third node; a second transistor between the third node and a data line, the second transistor turned on by a first scan signal; a third transistor between the first and second nodes, the third transistor turned on by a second scan signal; a fifth transistor between the first power source and the first transistor, the fifth transistor turned on by a first emission control signal; a sixth transistor between the second node and the light emitting element, the sixth transistor turned on by a second emission control signal; and an eighth transistor between the second node and a second emission control line, the eighth transistor turned on by a fourth scan signal.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: August 2, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min Jae Jeong, Jun Hyun Park, Hyun Joon Kim, Kyung Hoon Chung, Jang Mi Kang, Hae Min Kim
  • Patent number: RE49149
    Abstract: A method for detecting two dimensional sketch data from source model data for three dimensional reverse modeling. The method includes the steps of detecting optional model data, establishing X-axis, Y-axis and Z-axis of the model data depending upon a reference coordinate system information inputted from a user, and setting a work plane for detecting two dimensional section data of the model data; projecting, on the work plane, two dimensional section data to be detected from the model data or polylines detected by designating a detection position; detecting two dimensional projected section data of the model data projected on the work plane, and dividing the two dimensional projected section data into feature segments depending upon a curvature distribution; and establishing a constraint and numerical information in accordance with connection of the divided feature segments of the two dimensional projected section data, and creating two dimensional sketch data.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: July 26, 2022
    Assignee: 3D Systems, Inc.
    Inventors: Seock Hoon Bae, Dong Hoon Lee, Kang Hoon Chung
  • Patent number: RE49171
    Abstract: A method for transmitting a channel status information reference signals (CSI-RSs) for a maximum of eight antenna ports includes mapping the CSI-RSs for a maximum of eight antenna ports onto a data region of a downlink subframe having a normal cyclic prefix (CP) configuration according to a predetermined pattern; and transmitting the downlink subframe to which the CSI-RSs mapped, wherein the predetermined pattern defines the CSI-RSs to be mapped onto two OFDM symbols of the data region in the downlink subframe and mapped to at least one of four subcarrier positions in each of the two OFDM symbols, and wherein the four subcarrier positions defined by the predetermined pattern may be two consecutive subcarrier positions and two other consecutive subcarrier positions spaced apart by four subcarriers.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: August 9, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyun Soo Ko, Seung Hee Han, Jae Hoon Chung, Bin Chul Ihm, Moon Il Lee
  • Patent number: RE49263
    Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method for transmitting control signal via a PUCCH in a wireless communication system, and to an apparatus for the method, wherein the method comprises the following steps: joint-coding a plurality of pieces of control information to obtain a single codeword; obtaining a first modulation symbol sequence from the single codeword; obtaining, from the first modulation symbol sequence, a plurality of second modulation symbol sequences corresponding to each slot in the PUCCH; cyclically shifting the plurality of second modulation symbol sequences in a time domain to obtain a plurality of third modulation symbol sequences; performing a discrete Fourier transform (DFT) precoding process on the plurality of third modulation symbol sequences to obtain a plurality of complex symbol sequences in a frequency domain; and transmitting the plurality of complex symbol sequences via the PUCCH.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: October 25, 2022
    Assignee: LG Electronics Inc.
    Inventors: Seung Hee Han, Jae Hoon Chung, Sung Ho Moon, Moon Il Lee