Patents by Inventor Dong-kyu Kim

Dong-kyu Kim 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: 20250252984
    Abstract: A semiconductor memory apparatus is configured to perform a mismatch compensation operation of a bitline sense amplifier and enable a wordline electrically coupled with a bitline, after electrically isolating an input node of the bitline sense amplifier and the bitline. When the mismatch compensation operation of the bitline sense amplifier is completed, the semiconductor memory apparatus is configured to electrically couple the bitline and the input node of the bitline sense amplifier to develop a voltage level difference between the bitline and a bitline bar.
    Type: Application
    Filed: August 22, 2024
    Publication date: August 7, 2025
    Applicant: SK hynix Inc.
    Inventors: Dong Kyu KIM, Ho Seok EM, Hyung Sik WON, Jeong Jun LEE, Jun Ho CHEON
  • Patent number: 12379469
    Abstract: The present invention relates to a multi-channel lidar sensor module capable of measuring at least two target objects using one image sensor. The multi-channel lidar sensor module according to an embodiment of the present invention includes at least one pair of light emitting units configured to emit laser beams and a light receiving unit formed between the at least one pair of emitting units and configured to receive at least one pair of reflected laser beams which are emitted from the at least one pair of light emitting units and reflected by target objects.
    Type: Grant
    Filed: January 5, 2023
    Date of Patent: August 5, 2025
    Assignee: SOS LAB CO., LTD
    Inventors: Ji Seong Jeong, Jun Hwan Jang, Dong Kyu Kim, Sung Ui Hwang, Bum Sik Won, Gwang Bin Kim
  • Publication number: 20250231286
    Abstract: Proposed is a light detection and ranging (LiDAR) device. The device may include i) a transmission module including a laser emitting array configured to emit a plurality of lasers at a first wavelength, and ii) a first lens assembly configured to steer the plurality of lasers at different angles within a first angle range. The device may also include a reception module including i) a laser detecting array that includes at least two detectors for detecting at least a portion of the plurality of lasers, and ii) a second lens assembly configured to distribute the plurality of lasers to the at least two detectors. The second lens assembly may include i) at least four lens layers including first to fourth lens layers, ii) at least two gap layers including first and second gap layers, and iii) a filter layer located in the first gap layer.
    Type: Application
    Filed: April 1, 2025
    Publication date: July 17, 2025
    Inventors: Dong Kyu KIM, Chan M LIM, Hoon Il JEONG
  • Publication number: 20250222985
    Abstract: An embodiment front structure of a vehicle body is provided. The front structure includes a chassis frame, a dash panel disposed above the chassis frame, and a sub-fender apron connected to a front portion of the dash panel and including a chassis frame mounting portion to which the chassis frame is mounted.
    Type: Application
    Filed: December 3, 2024
    Publication date: July 10, 2025
    Inventors: Jejoon Lee, Dong Kyu Kim, Minjun Cho
  • Publication number: 20250218385
    Abstract: A level shifter according to an embodiment and a display device including the same are disclosed. A level shifter includes a first logic circuit configured to receive a mode selection signal of a first voltage level for selectively driving first and second light-emitting elements that emit light at different viewing angles of a pixel circuit from a timing controller and transmit the mode selection signal; and a second logic circuit configured to convert the mode selection signal of the first voltage level into a mode selection signal of a second voltage level higher than the first voltage level and output the converted mode selection signal of the second voltage level to the pixel circuit.
    Type: Application
    Filed: November 26, 2024
    Publication date: July 3, 2025
    Inventors: Yong Woo YUN, Dong Kyu KIM
  • Publication number: 20250201906
    Abstract: A polymer solid electrolyte and a preparation method thereof are provided. The polymer solid electrolyte comprises a polymer containing cross-linkable functional groups; a lithium salt; and a solvent including a first solvent and a second solvent, wherein the polymer solid electrolyte comprises a cross-linked structure and amorphous polymer chains containing the cross-linkable functional groups, and the cross-linked structure includes (a) cross-linkages between the cross-linkable functional groups, (b) cross-linkages between the cross-linkable functional groups and the first solvent, and (c) linkages between the cross-linkable functional groups and the lithium salt.
    Type: Application
    Filed: May 31, 2023
    Publication date: June 19, 2025
    Inventors: Sunghyun Nam, Hyeaeun Han, Dong Kyu Kim
  • Publication number: 20250196750
    Abstract: An embodiment ramp device for a vehicle includes a ramp frame inserted along a vehicle width direction into cross members of a floor structure of a vehicle body, wherein the ramp frame is configured to protrude at an incline toward a road surface direction from side ends of the floor structure.
    Type: Application
    Filed: October 28, 2024
    Publication date: June 19, 2025
    Inventors: Dong Kyu Kim, Jiae Yong
  • Publication number: 20250199174
    Abstract: A light detection and ranging (lidar) device includes: a lower base; an upper base; a laser emitting unit for emitting a laser in a form of a point light source; a nodding mirror for transforming the laser in the form of the point light source to a line beam pattern which is perpendicular to the lower base, wherein the nodding mirror reflects the laser emitted from the laser emitting unit; a polygonal mirror for transforming the line beam pattern to a plane beam pattern and receiving a laser reflected from an object; and a sensor unit for receiving the laser reflected from the object via the polygonal mirror.
    Type: Application
    Filed: February 20, 2024
    Publication date: June 19, 2025
    Inventors: Ji Seong JEONG, Jun Hwan JANG, Dong Kyu KIM, Sung Ui HWANG, Gyeong Hwan SHIN, Bum Sik WON
  • Publication number: 20250187521
    Abstract: An embodiment ramp module of a vehicle disposed on a vehicle body inside the vehicle includes a center floor front member and a center floor rear member disposed at a center portion of a lower portion of the vehicle body in a transverse direction of the vehicle body, a center floor side member disposed in a longitudinal direction of the vehicle body and connecting the center floor front member and the center floor rear member at one side of the vehicle body, and a center in-floor ramp module covering the center floor front member, the center floor rear member, and the center floor side member, the center in-floor ramp module being slidably movable in the transverse direction of the vehicle body.
    Type: Application
    Filed: August 23, 2024
    Publication date: June 12, 2025
    Inventors: Jiae Yong, Jejoon Lee, Chulhee Heo, Dong Kyu Kim
  • Publication number: 20250183369
    Abstract: A method for preparing a polymer solid electrolyte, and the polymer solid electrolyte prepared by freezing and thawing includes a cross-linked structure formed by a cross-linkable functional group, and the cross-linked structure includes (a) a cross-linkage between the cross-linkable functional groups, (b) a cross-linkage between the cross-linkable functional group and a solvent, and (c) a bond between the cross-linkable functional group and a lithium salt. Accordingly, even without using a separate plasticizer, crystallinity of the polymer solid electrolyte is reduced, and ionic conductivity can be improved. In addition, continuous processing and mass production are possible.
    Type: Application
    Filed: May 31, 2023
    Publication date: June 5, 2025
    Inventors: Sunghyun Nam, Hyeaeun Han, Dong Kyu Kim
  • Publication number: 20250183356
    Abstract: A method for preparing a composite solid electrolyte is characterized by forming a battery material having high ionic conductivity, and the method is capable being carried out as a continuous process, and used mass production.
    Type: Application
    Filed: May 31, 2023
    Publication date: June 5, 2025
    Inventors: Sunghyun Nam, Hyeaeun Han, Dong Kyu Kim
  • Publication number: 20250170944
    Abstract: An embodiment ramp module of a vehicle includes a lower radial vehicle body member including a plurality of center portion members arranged in a center portion of a lower portion of a vehicle body of the vehicle in transverse and longitudinal directions of the vehicle body, respectively, and a plurality of rear portion members arranged in the longitudinal direction of the vehicle body in a rear portion of the lower portion of the vehicle body, a center portion ramp module mounting member connecting the center portion members arranged in the transverse direction, a rear portion ramp module mounting member connecting the rear portion members and a bottom surface of the vehicle body, a center in-floor ramp module covering the center portion member and configured to slide along the center portion members arranged in the transverse direction, and a flattening rear member covering the rear portion members.
    Type: Application
    Filed: August 23, 2024
    Publication date: May 29, 2025
    Inventors: Jiae Yong, Jejoon Lee, Dong Ho Kang, Dong Kyu Kim
  • Publication number: 20250167291
    Abstract: The present disclosure relates to a composite solid electrolyte for a lithium secondary battery and a preparation method thereof.
    Type: Application
    Filed: May 31, 2023
    Publication date: May 22, 2025
    Inventors: Sunghyun NAM, Hyeaeun HAN, Jung Pil LEE, Dong Kyu KIM
  • Publication number: 20250158109
    Abstract: The present specification relates to a composite solid electrolyte for a lithium secondary battery and a preparation method thereof.
    Type: Application
    Filed: May 31, 2023
    Publication date: May 15, 2025
    Inventors: Sunghyun NAM, Hyeaeun HAN, Dong Kyu KIM
  • Publication number: 20250158116
    Abstract: A polymer solid electrolyte and a manufacturing method therefor are provided. The polymer solid electrolyte comprises a cross-linked structure formed by a cross-linkable functional group, the cross-linked structure including (a) a cross-linking between the cross-linkable functional groups, (b) a cross-linking between the cross-linkable functional group and a solvent, and (c) a bonding between the cross-linkable functional group and a lithium salt, and thereby having a reduced crystallinity and improving ion conductivity even without using a separate plasticizer.
    Type: Application
    Filed: May 31, 2023
    Publication date: May 15, 2025
    Inventors: Sunghyun NAM, Jung Pil LEE, Hyeaeun HAN, Dong Kyu KIM
  • Patent number: 12298437
    Abstract: A LiDAR device comprising: a transmission module including a laser emitting array and a first lens assembly, wherein the laser emitting array is configured to emit a plurality of lasers at a first wavelength and wherein the first lens assembly is configured to steer the plurality of lasers at different angles within a first angle range; a reception module including a laser detecting array and a second lens assembly, wherein the laser detecting array includes at least two detectors for detecting at least a portion of the plurality of lasers and wherein the second lens assembly is configured to distribute the plurality of lasers to the at least two detectors; wherein the second lens assembly comprise: at least four lens layers including a first lens layer, a second lens layer, a third lens layer and a fourth lens layer; at least two gap layers including a first gap layer and a second gap layer; and a filter layer located in the first gap layer.
    Type: Grant
    Filed: October 31, 2023
    Date of Patent: May 13, 2025
    Assignee: SOS LAB Co., Ltd.
    Inventors: Dong Kyu Kim, Chan M Lim, Hoon Il Jeong
  • Publication number: 20250149629
    Abstract: The present disclosure relates to a polymer solid electrolyte and a preparation method thereof.
    Type: Application
    Filed: May 31, 2023
    Publication date: May 8, 2025
    Inventors: Sunghyun NAM, Hyeaeun HAN, Dong Kyu KIM
  • Patent number: 12292587
    Abstract: Provided is a high-durability coloring metal member. The high-durability coloring metal member includes a metal substrate, a dielectric layer provided on the metal substrate, and an oxynitride compound layer provided on the dielectric layer. The metal member is capable of expressing vivid and various colors with a color protection layer applied on the surface of the metal member.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: May 6, 2025
    Assignee: Korea Institute of Science and Technology
    Inventors: Ji Young Byun, Md Abdur Rahman, So Hye Cho, Seung Yong Lee, Hyungduk Ko, Sung Lim Choi, Dong Kyu Kim, Kwang-Deok Choi, Inuk Baek, Yun Hee Kim
  • Publication number: 20250140903
    Abstract: An electrolyte, a battery comprising the same, and a method for producing the same are provided. The electrolyte includes: a polymer mixture including a polyethylene (PEO)-based copolymer containing crosslinkable functional groups and a non-crosslinkable PEO-based copolymer; a ceramic compound; and a polar compound, wherein at least some of the crosslinkable functional groups of the PEO-based copolymer containing crosslinkable functional groups form crosslinks with each other and the polar compound is contained in the polymer mixture.
    Type: Application
    Filed: December 27, 2024
    Publication date: May 1, 2025
    Inventors: Sung Hyun NAM, Dong Kyu KIM
  • Publication number: 20250132386
    Abstract: The present disclosure relates to a method for manufacturing a gel polymer electrolyte secondary battery which allows easy removal of the gases generated in the secondary battery, and provides the secondary battery with significantly improved resistance and life characteristics and improved mechanical properties and thus improved stiffness and safety.
    Type: Application
    Filed: January 12, 2023
    Publication date: April 24, 2025
    Inventors: Ji-Hoon RYU, Tae-Seob LIM, Dong-Kyu KIM, Yeo-Min YOON, Jung-Pil LEE