Patents by Inventor Ji Sung Lee

Ji Sung 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: 20240145171
    Abstract: A capacitor component includes a body including a dielectric layer and first and second internal electrode layers, and external electrodes disposed on the body and connected to the first and second internal electrode layers, respectively. The body includes an active portion in which the first and second internal electrode layers are alternately disposed with the dielectric layer interposed therebetween, a cover portion disposed on an upper portion and a lower portion of the active portion, and a side margin portion disposed on both sides of the active portion opposing each other. When a content of magnesium (Mg) included in the active portion is A1, a content of magnesium (Mg) included in the cover portion is C1, and a content of magnesium (Mg) included in the margin portion is M1, 0<A1<M1?C1 and A1/C1?0.60 are satisfied.
    Type: Application
    Filed: January 4, 2024
    Publication date: May 2, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Uk Cha, Chang Min Lee, Hye Sung Yoon, Seon A Jang, Ji Hyuk Lim, Ki Yong Lee
  • Publication number: 20240140489
    Abstract: In an embodiment, an autonomous vehicle includes a sensor unit configured to detect surrounding environment of the vehicle, generate surrounding environment information, monitor a state of the vehicle, and generate vehicle state information. A processor is configured to control autonomous driving of the vehicle based on one or both of the surrounding environment information and the vehicle state information, detect whether a failure occurs in a function required for autonomous driving of the vehicle based on the vehicle state information, determine one or both of a movable time and a movable distance, for indicating a fail-operational capability (FOC) of the vehicle, based on one or both of the vehicle state information and the surrounding environment information, and control the vehicle to be emergency stopped by performing a minimal risk maneuver based on one or both of the movable time and the movable distance.
    Type: Application
    Filed: November 1, 2023
    Publication date: May 2, 2024
    Inventors: Young Bin Min, Jong Sung Park, Bong Sob Song, Ji Min Lee, Sung Woo Lee
  • Patent number: 11965986
    Abstract: An optical device includes a light receiving element for detecting light reflected and transmitted from a subject; a voltage part for providing a first bias voltage or a second bias voltage to the light receiving element; and a controller for controlling the voltage part so that the second bias voltage provided from the voltage part is synchronized with a light output of a light emitting part to be provided to the light receiving element.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: April 23, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Chang Hyuck Lee, Lee Im Kang, Ji Sung Kim, Yang Hyun Joo
  • Publication number: 20240128484
    Abstract: A fuel cell system and a method of controlling the system are provided. The fuel cell system includes: a fuel cell having a plurality of cells to generate power through a reaction between hydrogen supplied to an anode space and oxygen supplied to a cathode space; a power storage device to be charged with power generated by the fuel cell or discharged to supply power; and a controller. The controller recirculates hydrogen, diffused from the anode space to the cathode space, into the anode space by supplying power charged in the power storage device to the fuel cell when the power generation of the fuel cell is stopped. The controller is configured to control whether to supply the power to the fuel cell based on a pressure measured in the anode space and voltages of the cells that constitute the fuel cell.
    Type: Application
    Filed: April 18, 2023
    Publication date: April 18, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Ji Hoon Ryu, Jae Sung Ryu, Jong Hyun Lee, Yei Sik Jeon, Young Wook Cheong
  • Publication number: 20240128930
    Abstract: The present disclosure relates to an offset elimination operation of an internal operational amplifier of a data driving circuit and relates to a technique that applies different offset elimination methods for each position of an operational amplifier.
    Type: Application
    Filed: October 13, 2023
    Publication date: April 18, 2024
    Applicant: LX SEMICON CO., LTD.
    Inventors: Yong Sung AHN, Ji Won KIM, Hyo Joong KIM, Kyung Min SHIN, Kyu Tae LEE, Ha Rim CHOI
  • Patent number: 11962001
    Abstract: Disclosed is a positive electrode material for a lithium secondary battery. The positive electrode material includes a positive electrode active material formed of Li—[Mn—Ti]-M-O-based material including a transition metal (M) to enable reversible intercalation and deintercalation of lithium and molybdenum oxide. The positive electrode active material is coated with the molybdenum oxide to form a coating layer on a surface thereof.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: April 16, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Industry Academy Cooperation Foundation of Sejong University
    Inventors: Seung Min Oh, Jun Ki Rhee, Yoon Sung Lee, Ji Eun Lee, Sung Ho Ban, Ko Eun Kim, Woo Young Jin, Sang Mok Park, Sang Hun Lee, Seung Taek Myung, Hee Jae Kim, Min Young Shin
  • Patent number: 11961851
    Abstract: A laser apparatus includes a laser generator configured to generate a first laser beam proceeding along a first direction, and an inversion module configured to convert the first laser beam to a second laser beam proceeding along the first direction, the inversion module including a splitter configured to form a reflected laser beam by partially reflecting the first laser beam, and a transmitted laser beam by partially transmitting the first laser beam, and a prism configured to reflect the reflected laser beam.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: April 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-min Lee, Ji-Hwan Kim, Jongoh Seo, Byung Soo So, Dong-Sung Lee, Jonghoon Choi
  • Publication number: 20240119907
    Abstract: A display device includes a substrate, a first active pattern, a first gate electrode, a second active pattern, a second gate electrode, a first connecting pattern, and a second connecting pattern. The first connecting pattern is disposed on the second active pattern and is electrically connected to the first gate electrode, and the second connecting pattern is disposed on the first connecting pattern and is electrically connected to the first connecting pattern and the second active pattern.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 11, 2024
    Inventors: Ji Seon LEE, Jin Sung AN, Seok Je SEONG, Seong Jun LEE, Se Wan SON
  • Publication number: 20240104195
    Abstract: Disclosed herein are an apparatus and method for updating an Internet-based malware detection engine using virtual machine scaling. The method may include creating a scaling group and an update group set based on a first virtual machine image, creating a second virtual machine image for a running virtual machine in response to occurrence of a snapshot event in the virtual update group run based on the first virtual machine image, modifying the scale-out image of the scaling group to the second virtual machine image, updating the scaling group by triggering a scale-out event and a scale-in event in the scaling group in response to occurrence of an update event, and modifying the scale-in image of the scaling group to the second virtual machine image.
    Type: Application
    Filed: June 15, 2023
    Publication date: March 28, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sang-Min LEE, Ki-Jong KOO, Jung-Tae KIM, Ji-Hyeon SONG, Jong-Hyun KIM, Dae-Sung MOON
  • Publication number: 20240106000
    Abstract: The present invention relates to an electrolyte composition for lithium metal batteries, comprising a) at least one fluorinated di-ether containing from 4 to 10 carbon atoms, represented by Formula (I) of R1—O—R2—O—R3, wherein each R1 and R3 is independently a fluorinated alkyl group, and R2 is an optionally fluorinated alkyl group, represented by Formula (II) of CaFbHc, wherein a is an integer from 1 to 6, b+c is an integer from 2 to 10, and if b is 0, R1 and R3 independently have no H; b) at least one non-fluorinated ether; and c) at least one lithium salt, wherein a) the fluorinated di-ether is in an amount of at least 50% by volume (vol %), based on the total volume of a) the fluorinated di-ether and b) the non-fluorinated ether. The present invention also relates to a lithium metal battery comprising a negative electrode comprising lithium metal; a positive electrode; a separator; and an electrolyte composition according to the present invention.
    Type: Application
    Filed: November 3, 2021
    Publication date: March 28, 2024
    Applicant: Solvay SA
    Inventors: Ji-Ae Choi, Vito Tortelli, Guillaume Müller, Lawrence Alan Hough, Marco Galimberti, So-Young Lee, Hee-Sung Choi
  • Patent number: 11940368
    Abstract: Disclosed is a method for pre-detecting a defective porous polymer substrate for a separator, including selecting a porous polymer substrate having a plurality of pores; observing the selected porous polymer substrate with a scanning electron microscope (SEM) to obtain an image of the porous polymer substrate; quantifying the average value of pore distribution index (PDI); correcting the quantified average value of pore distribution index to obtain the corrected average value of pore distribution index; determining whether or not the corrected average value of pore distribution index is 60 a.u. (arbitrary unit) or less; and classifying the porous polymer substrate as a good product, when the corrected average value of pore distribution index is determined to be 60 a.u. or less, and classifying the porous polymer substrate as a defective product, when the corrected average value of pore distribution index is determined to be larger than 60 a.u.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: March 26, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Won-Sik Bae, Joo-Sung Lee, Ho-Sung Kang, Yern-Seung Kim, Se-Jung Park, Je-Seob Park, Ji-Young Hwang
  • Publication number: 20240083461
    Abstract: A vehicle for autonomous driving is capable of performing a minimum risk maneuver. The vehicle includes: at least one sensor, a processor and a controller, where the processor may detect whether a minimum risk maneuver (MRM) is required based on at least one of surrounding environment information and vehicle state information during autonomous driving of the vehicle, determine an MRM type based on a possibility of colliding with a neighboring vehicle when the MRM is required, and control to stop the vehicle based on the determined MRM type.
    Type: Application
    Filed: September 8, 2023
    Publication date: March 14, 2024
    Inventors: Young Bin Min, Jong Sung Park, Bong Sob Song, Ji Min Lee, Sung Woo Lee
  • Patent number: 11923145
    Abstract: A multilayer capacitor includes a body including a multilayer structure in which a plurality of dielectric layers are stacked in a first direction and a plurality of internal electrodes stacked with the dielectric layer interposed therebetween and external electrodes formed outside the body and connected to the internal electrodes. The body includes an active portion and a side margin portion covering the active portion and opposing each other in a second direction, and 1<A2/M1?1.5 and A2<A1 in which A1 is an average grain size of the dielectric layers in a central region of the active portion, A2 is an average grain size of the dielectric layers at an active boundary part of the active portion adjacent to the side margin portion, and M1 is an average grain size of the dielectric layers in a central region of the side margin portion.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Je Hee Lee, Seung In Baik, Ji Su Hong, Eun Ha Jang, Hyoung Uk Kim, Jae Sung Park
  • Publication number: 20240071907
    Abstract: A semiconductor device includes first and second substrates connected to each other. The second substrate includes a plate layer having first and second faces. Gate electrode layers are disposed on the first face of the plate layer. Channel structures extend through the gate electrode layers. Word-line cutting structures extend through the gate electrode layers and are spaced apart from each other. Via structures are disposed on the second face of the plate layer. Via connecting structures are disposed on the top face of the via structures. A width of the bottom face of each of the via structures is greater than a width of the top face of each of the via structures. A width of the bottom face of each of the via connecting structures is less than a width of the top face of each of the via connecting structures.
    Type: Application
    Filed: May 16, 2023
    Publication date: February 29, 2024
    Inventors: Ah Reum LEE, Woo Sung YANG, Ji Mo GU, Jao Ho KIM, Suk Kang SUNG
  • Publication number: 20240032442
    Abstract: An embodiment spin-orbit torque device array includes a plurality of single devices, each device including a non-magnetic layer, a magnetic layer bonded to the non-magnetic layer, and an upper layer bonded to the magnetic layer, wherein the upper layer includes oxide, and wherein a magnetization state of each of the single devices has only two states, the two states being an up state and a down state.
    Type: Application
    Filed: January 12, 2023
    Publication date: January 25, 2024
    Inventors: Ji-Sung Lee, Joon-Hyun Kwon, Su-Jung Noh, Han-Saem Lee, Dae-Kyu Koh, Byong-Guk Park, Jaimin Kang, Soogil Lee
  • Publication number: 20240032443
    Abstract: An embodiment magnetic memory device based on perpendicular exchange bias includes a non-magnetic layer, a ferromagnetic layer bonded on the non-magnetic layer, wherein a magnetization direction of the ferromagnetic layer is randomly distributed, and an anti-ferromagnetic layer bonded on the ferromagnetic layer. An embodiment method of manufacturing a magnetic memory device includes preparing the magnetic memory device based on perpendicular exchange bias, the preparing including bonding a ferromagnetic layer on a non-magnetic layer and bonding an anti-ferromagnetic layer on the ferromagnetic layer, and demagnetizing the ferromagnetic layer of the magnetic memory device, wherein a magnetization direction of the ferromagnetic layer is randomly distributed.
    Type: Application
    Filed: January 16, 2023
    Publication date: January 25, 2024
    Inventors: Ji-Sung Lee, Joon-Hyun Kwon, Su-Jung Noh, Han-Saem Lee, Dae-Kyu Koh, Byong-Guk Park, Jaimin Kang, Soogil Lee
  • Publication number: 20230320233
    Abstract: A spin-orbit-torque (SOT)-based magnetic sensor is provided. The magnetic sensor includes a substrate, an electrode layer formed on the substrate, and a pair of first and second sensing elements stacked on the substrate so as to be connected to the electrode layer, wherein directions of respective currents flowing through the first and second sensing elements via the electrode layer are opposite to each other.
    Type: Application
    Filed: June 16, 2022
    Publication date: October 5, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Ji-Sung Lee, Su-Jung Noh, Han-Saem Lee, Joon-Hyun Kwon, Jeong-Woo Seo, Jeong-Hun Shin, Jin-Pyo Hong
  • Publication number: 20230271826
    Abstract: A hydrogen compression system includes an inner container made of a non-magnetic element and having a hydrogen inlet/outlet portion through which hydrogen flows in or out of the inner container, a metal hydride material accommodated in the inner container, an outer container configured to surround the inner container and having an inlet/outlet port through which hydrogen flows in or out of the outer container, and an induction heating unit disposed between the inner container and the outer container and configured to heat the metal hydride material by induction heating, thereby obtaining an advantageous effect of simplifying a structure and process for heating the metal hydride material and quickly heating the metal hydride material to an accurate temperature.
    Type: Application
    Filed: June 29, 2022
    Publication date: August 31, 2023
    Inventors: Ji Hye Park, Ji Sung Lee
  • Publication number: 20230204692
    Abstract: A magnetic sensor using a spin-orbit torque (SOT) and a sensing method using the same, include an SOT channel layer made of a heavy metal material, a ferromagnetic layer stacked on the SOT channel layer, and a protective layer stacked on the ferromagnetic layer, wherein an SOT is generated due to a current applied to the SOT channel layer to vary magnetization of the ferromagnetic layer, and the magnetic sensor which utilizes an SOT with a fast response speed and high sensitivity using a simplified metal thin film structure in which the SOT is generated is provided.
    Type: Application
    Filed: March 31, 2022
    Publication date: June 29, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Joon-Hyun KWON, Ji-Sung LEE, Han-Saem LEE, Su-Jung NOH
  • Publication number: 20230186068
    Abstract: A weight confirmation method for analog synaptic devices of an artificial neural network includes: learning artificial neural network hardware based on artificial analog memory devices using an artificial neural network learning algorithm; after the learning of the artificial neural network hardware, reading a total weight of a pair of synaptic devices; comparing the total weight of the pair of synaptic devices with 0; applying weights to a positive synaptic device and a negative synaptic device of the pair of synaptic devices, respectively; and confirming the total weight of the pair of synaptic devices in accordance with the weight of the positive synaptic device and the weight of the negative synaptic device. A retention problem of analog synaptic devices is overcome and thus the artificial neural network may stably operate.
    Type: Application
    Filed: April 12, 2022
    Publication date: June 15, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Ji-Sung Lee, Su-Jung Noh, Han-Saem Lee, Joon-Hyun Kwon, Hyun-Sang Hwang, Woo-Seok Choi