Patents by Inventor Dong-Hyun Lee

Dong-Hyun 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).

  • Cleaner
    Patent number: 11304577
    Abstract: A cleaner capable of separating a dust separator from a main body and separating a dust container from the dust separator by using a button. The cleaner includes: a main body; a dust separator detachably coupled to the main body configured to separate dust contained in air; a dust container detachably coupled to the dust separator; and a button configured to separate the dust separator from the main body and separate the dust container from the dust separator, when the dust separator is separated from the main body.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: April 19, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Hyun Lee, Young Jun Cho, Jin Ho Lee, Ki-Man Kim, Jong Gook Lim
  • Cylinder head for an internal combustion engine
    Patent number: 11300072
    Abstract: A cylinder head for an internal combustion engine includes a first wall, a second wall, and a post. The first wall defines an exhaust channel that is configured to direct exhaust gas away from the engine. The second wall forms an exterior of the cylinder head and defines a water jacket between the first wall and the second wall. The water jacket is configured to channel coolant through the cylinder head. The post is disposed within the water jacket. The post extends between and is secured to each of the first and second walls. The post tapers from the first wall to a center portion of the post. The post also tapers from the from the second wall to the center portion of the post. The post is configured to fracture in response to a thermal load generated by the engine.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: April 12, 2022
    Assignee: Ford Global Technologies, LLC
    Inventors: Jeffrey D. Fluharty, Paul Thomas Reinhart, Chad Michael Strimpel, Dong-Hyun Lee
  • FOOT STRUCTURE FOR WALKING ROBOT, WALKING ROBOT INCLUDING FOOT STRUCTURE, AND METHOD OF OPERATING WALKING ROBOT
    Publication number: 20220105623
    Abstract: One aspect of the present disclosure provides a foot structure for a walking robot including a link configured to define a body, a buffer unit coupled to one end portion of the link and having a vacant space formed therein, and a pressure sensor provided in the link and configured to detect a change in pressure of air in the vacant space in the buffer unit.
    Type: Application
    Filed: April 27, 2021
    Publication date: April 7, 2022
    Inventors: Beom Su Kim, Hyun Seop Lim, Sang In Park, Ju Young Yoon, Dong Hyun Lee, Dong Jin Hyun, Hyo Seung Han
  • SYSTEM FOR CONTROLLING ROBOT FINGER AND METHOD FOR THE SAME
    Publication number: 20220088777
    Abstract: A system and a method for controlling a robot finger may include a processor to determine a mapping function using a kernel matrix means of a multichannel electromyographic (EMG) signal to train a learning algorithm using at least one EMG signal training sample), and a storage to store data and an algorithm driven by the processor. The processor determines a kernel matrix by applying a polynomial function of the second order to the multichannel EMG signal time sample, and performs an operation for the kernel matrix and the mapping function to output a signal for controlling the robot finger.
    Type: Application
    Filed: September 15, 2021
    Publication date: March 24, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Muhammad Zahak JAMAL, Dong Jin HYUN, Dong Hyun LEE
  • Apparatus and method for detecting battery cell failure due to unknown discharge current
    Patent number: 11280837
    Abstract: A method for detecting failure of a battery cell due to an unknown discharge current, including connecting a detector in series between the battery cell and a power supply for supplying a charging power, determining whether the charging of the battery cell progresses by the charging power in excess of a predetermined battery cell specific charging reference time, measuring a current value of the battery cell in real time if the charging of the battery cell progresses in excess of the battery cell specific charging reference time, determining whether the current value of the battery cell measured in real time exceeds a predetermined battery cell specific failure determination reference current range value, and determining a state of the battery cell as a failure state if the current value of the battery cell exceeds the predetermined battery cell specific failure determination reference current range value.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: March 22, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Jin Sam Koo, Kwang Soo Jeon, Jun Hyuk Pack, Dong Hyun Lee, Kyoung Min Kwon, Jong Hwa Lee
  • Electromyography Signal Detection Device
    Publication number: 20220076654
    Abstract: An embodiment electromyography signal detection device includes a noise signal obtaining device configured to obtain a noise signal of an unknown reference frequency at a periphery of a user, an electromyography signal acquisition device configured to measure an electromyography signal from the user, and a controller configured to remove a noise signal included in the electromyography signal of the user based on the obtained noise signal of the unknown reference frequency.
    Type: Application
    Filed: July 27, 2021
    Publication date: March 10, 2022
    Inventors: Muhammad Zahak Jamal, Dong Jin Hyun, Dong Hyun Lee
  • Semiconductor device including an anti-fuse and method for fabricating the same
    Patent number: 11227868
    Abstract: A semiconductor device includes a trench formed in a substrate; an active region defined in the substrate by the trench; a trench-based dielectric material formed in the trench, and including a rupture portion contacting an edge of the active region; a first conductive plug formed on the trench-based dielectric material so as to contact the rupture portion; and a gate structure including a gate dielectric layer formed on the active region and a gate electrode formed on the gate dielectric layer.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: January 18, 2022
    Assignee: SK hynix Inc.
    Inventor: Dong-Hyun Lee
  • Display device
    Patent number: 11227540
    Abstract: A display device includes: a substrate including a first surface and a second surface opposing each other; a display element and a signal line on the first surface; a first wire on the second surface and electrically connected to the signal line; a cover portion on the second surface; and a first driving unit on the second surface and electrically connected to the first wire. The first wire includes a portion exposed outside the cover portion, and the first driving unit is connected to the first wire at the portion of the first wire which is exposed outside the cover portion.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: January 18, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeong In Lee, Dong Hyun Lee, Hyun A Lee, Byoung Yong Kim
  • Light Emitting Display Device
    Publication number: 20210408163
    Abstract: Disclosed is a light emitting display device which may prevent or at least reduce lateral leakage current. The light emitting display device includes a substrate comprising a plurality of first to third subpixels arranged to neighbor one another, each of the first to third subpixels comprising an emission part and a non-emission part to surround the emission part; a bank at the non-emission parts; first electrodes covered with the bank and respectively at the first to third subpixels to expose the respective emission parts; a first spacer structure having an inversed tapered shape configured to surround at least one side of each of the emission parts of the first to third subpixels on the bank; a common layer structure located on the first electrodes and the first spacer structure and disconnected at an edge of the first spacer structure; and a second electrode on the common layer structure.
    Type: Application
    Filed: June 11, 2021
    Publication date: December 30, 2021
    Inventors: Seung Ho Heo, Chung Hoon Lee, Dong Hyun Lee, Dong Min Jang
  • ELECTRONIC PANEL AND ELECTRONIC APPARATUS INCLUDING THE SAME
    Publication number: 20210408141
    Abstract: An electronic panel may include a plurality of sensing electrodes and a plurality of sensing lines. The sensing lines may include a plurality of first group sensing lines and a plurality of second group sensing lines, which are spaced apart from each other in a specific direction and are alternately arranged with respect to each other. Each of the first group sensing lines and the second group sensing lines may include a first pattern layer and a second pattern layer, which are spaced apart from each other with an insulating layer interposed therebetween and are coupled to each other through the insulating layer. Each of the first group sensing lines may include a first pattern layer in a specific region, and each of the second group sensing lines may include a second pattern layer in the specific region.
    Type: Application
    Filed: September 10, 2021
    Publication date: December 30, 2021
    Inventors: Byeongguk JEON, Dong-Hyun Lee, Deok-Young Choi
  • PRINTED CIRCUIT FILM, DISPLAY DEVICE, AND METHOD OF FABRICATING PRINTED CIRCUIT FILM
    Publication number: 20210385950
    Abstract: A printed circuit film includes: a base film including a first film portion extending in a first direction, a second film portion extending in the first direction, and a third film portion extending in the first direction; a plurality of lead wires extending in the second direction and disposed on the first, second, and third film portions, the plurality of lead wires being spaced apart from each other in the first direction; and a bonding member including: a conductive member disposed to overlap the plurality of lead wires on the first film portion; a first non-conductive member disposed to overlap the plurality of lead wires and the second film portion; and a second non-conductive member disposed to overlap the plurality of lead wires and the third film portion, wherein the conductive member is disposed between the first non-conductive member and the second non-conductive member in the second direction.
    Type: Application
    Filed: March 10, 2021
    Publication date: December 9, 2021
    Inventors: Dong Hyun LEE, Seung Soo RYU, Sang Hyuck YOON
  • Display device
    Patent number: 11194432
    Abstract: A display device includes: a base layer including a display area and a non-display area; a circuit element layer disposed on the base layer; a display element layer disposed on the circuit element layer; a plurality of signal pads disposed on the base layer, wherein the plurality of signal pads are spaced a predetermined interval from each other, and are electrically connected to the circuit element layer; and an input sensing layer including a conductive layer and an input insulation layer, wherein the conductive layer is disposed on the display element layer, and the input insulation layer covers the conductive layer and a portion of each of the signal pads. Each of the signal pads includes a first pad portion and a second pad portion, wherein the first pad portion overlaps the input insulation layer, and the second pad portion does not overlap the input insulation layer.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: December 7, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keonwoo Kim, Deukjong Kim, Hyunwoo Kim, Dong-Hyun Lee, Sangmi Jeon, Joohye Jung
  • Electrochromic device
    Patent number: 11194212
    Abstract: An electrochromic device is provided. The electrochromic device may include a plurality of auxiliary electrodes spaced apart from each other in both a first direction and a second direction. The electrochromic device may improve an electrochromism rate and prevent a drive failure problem due to oxidation of the auxiliary electrode from spreading.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: December 7, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Dong Hyun Lee, Chang Yoon Lim, Su Hee Lee
  • LIGHTING MODULE AND LIGHTING DEVICE COMPRISING SAME
    Publication number: 20210372594
    Abstract: A lighting module disclosed in an embodiment of the invention may comprise: a substrate; a reflective portion disposed on the substrate; a plurality of light emitting devices disposed on the substrate; a resin layer disposed on the reflective portion and the light emitting devices; and a diffusion layer disposed on the resin layer. The resin layer includes a light-blocking portion that is a recessed area formed to be concave on the upper surface of the resin layer, and the light emitting devices emit light in a first direction, wherein the light-blocking portion may comprise: a first region overlapping the light emitting devices; a second region extending in the first direction from the first region; a third region extending from the second region in the direction of a first side of the substrate; and a fourth region extending from the second region in the direction of a second side of the substrate.
    Type: Application
    Filed: October 15, 2019
    Publication date: December 2, 2021
    Inventors: Dong Hyun LEE, Jung Ho LEE
  • Apparatus and method for inspecting welding of secondary battery
    Patent number: 11179812
    Abstract: An apparatus for inspecting the welding for a secondary battery includes: a measuring unit measuring a power value (P) supplied to the welding apparatus and a taken time (S) when the electrode tab and the electrode lead are welded to each other to obtain measured welding data (Data); an instrument unit obtaining a waveform representing a relationship between the power value (P) and the taken time (S) by using the measured welding data obtained by the measuring unit to display the waveform on a graph; and an inspection unit comparing the measured welding waveform displayed on the graph with a normal welding waveform to inspect whether the defective welding occur in real-time.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: November 23, 2021
    Inventors: Wook Park, Jin Sam Koo, Kwang Soo Jeon, Dong Hyun Lee, Jong Hwa Lee, Hyun Il Park, Hyoen Gu Jeon, Yang Hyun Huh
  • RECOMBINANT VECTOR AND METHOD FOR PRODUCING RECOMBINANT FIBROBLAST GROWTH FACTOR 19 USING THE SAME
    Publication number: 20210355182
    Abstract: A recombinant vector according to an embodiment of the present invention may produce fibroblast growth factor 19 (FGF19) having enhanced solubility. The synonymous codon substitution variant fibroblast growth factor 19 (scvhFGF19) and chaperone ?ssDsbC may be simultaneously and independently expressed in a host cell into which the recombinant vector is introduced, thereby it is possible to overexpress the fibroblast growth factor 19 in a soluble state, due to when not utilizing tags such as an existing fusion partner there is no change in the amino acid, which is a problem generated in the removal process.
    Type: Application
    Filed: August 19, 2020
    Publication date: November 18, 2021
    Inventors: Geun Joong KIM, Hye Ji CHOI, Dae Eun CHEONG, Su Kyoung YOO, Dong Hyun LEE, Jae Hong PARK, Jung Hyun LEE, Hyung Soon YIM, Young Jun AN, Kyeong Won LEE
  • Lighting device
    Patent number: 11169318
    Abstract: Disclosed in an embodiment is a lighting device comprising: a light conversion module including one surface and the other surface; and a light source module disposed at a side surface of the light conversion module, wherein the light source module comprises a plurality of light emitting elements disposed so as to be spaced in a first direction, the first direction is a thickness direction of the light conversion module, and at least one among the plurality of light emitting elements is disposed higher than the one surface of the light conversion module in the first direction.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: November 9, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Eay Jin Lim, Dong Hyun Lee
  • Memory system and method of operating the memory system
    Patent number: 11150838
    Abstract: The present technology includes a memory system and a method of operating the memory system. The memory system includes a memory device including an interface circuit and a semiconductor memory, and a controller configured to generate a command set in response to a host command and output the command set to the memory device. The interface circuit is configured to: receive the command set, transmit the received command set to the semiconductor memory, when the received command set corresponds to the semiconductor memory, perform a blocking operation so that the received command set is not transmitted to the semiconductor memory, when the received command set corresponds to the interface circuit, and perform an on-die termination operation, a ZQ calibration operation, or a driving force control operation of the interface circuit in response to the received command set corresponding to the interface circuit.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: October 19, 2021
    Assignee: SK hynix Inc.
    Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee
  • Handy-stick type vacuum cleaner
    Patent number: 11147421
    Abstract: A handy-stick type vacuum cleaner is disclosed. The disclosed vacuum cleaner can comprise: a first part including a dust collection unit; a second part including a suction motor and a handle; a third part for connecting the first and second parts such that the first and second parts rotate with each other; and a mode setting unit disposed inside the second part so as to selectively lock and unlock the third part, thereby setting a rotating mode enabling the first and second parts to rotate with each other and a fixing mode disabling the rotation thereof.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: October 19, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-hyun Lee, Dong-hun Yoo, Tae-woon Lim
  • Memory system and operating method of the memory system
    Patent number: 11139010
    Abstract: Provided is a method for operating an interface circuit of a memory device. The method includes receiving a command from a controller; determining whether the command is for a semiconductor memory or the interface circuit, the semiconductor memory operatively coupled to the interface circuit; and when it is determined that the command is for the interface circuit, performing a blocking operation to block transfer of the command between the interface circuit and the semiconductor memory and performing an internal operation of the interface circuit. The internal operation includes a signal controlling operation, a training operation, a read operation, an on-die termination operation, a ZQ calibration operation, or a driving force control operation.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: October 5, 2021
    Assignee: SK hynix Inc.
    Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee