Patents by Inventor Hyun-jun Lee

Hyun-jun 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).

  • Patent number: 11929206
    Abstract: A multilayer electronic component includes: a body including dielectric layers and having first and second surfaces opposing each other in a first direction, third and fourth surfaces connected to the first and second surfaces and opposing each other in a second direction, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other in a third direction; side margin portions disposed on the fifth and sixth surfaces, respectively; and external electrodes disposed on the third and fourth surfaces, respectively. The body includes an active portion including internal electrodes disposed alternately with the dielectric layers in the first direction, one of the internal electrodes includes a central portion and an interface portion disposed between the central portion and one of the dielectric layers, and the interface portion and one of the side margin portions include Sn.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Jun Jung, Yun Kim, Hyun Kim, Sim Chung Kang, Eun Jung Lee
  • Publication number: 20240079588
    Abstract: A method for preparing a sulfur-carbon composite including a step of pretreating a carbon material is provided. The method is capable of removing water and other impurities from the carbon material effectively, and the sulfur-carbon composite obtained by the method used as a positive electrode active material of a lithium-sulfur battery provides improved sulfur supportability and over-voltage performance of the lithium-sulfur battery, reduced initial irreversible capacity of the positive electrode active material, and improved output characteristics and life characteristics.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 7, 2024
    Inventors: In-Tae Park, Myeong-Jun Song, Yong-Hwi Kim, Seong-Hyo Park, Hyun-Soo Lee, Ran Choi
  • Publication number: 20240076127
    Abstract: Provided is a ceiling storage system capable of correcting a working position and constantly checking stability of a structure by detecting an amount of change in a facility. According to the ceiling storage system, a transport vehicle moves to an upper portion of a first storage area of a plurality of storage areas in a state of gripping an article, and the transport vehicle measures a first distance value between the transport vehicle and the first storage area using a distance sensor and measures a relative position value between the transport vehicle and the first storage area using a vision sensor, before unloading the article from the first storage area.
    Type: Application
    Filed: May 23, 2023
    Publication date: March 7, 2024
    Inventors: Sang Kyung LEE, Seung Gyu KANG, Hyun Jae KANG, Young Wook KIM, Sang A BANG, Yong-Jun AHN, Min Kyun LEE, Hyun Woo LEE, Jeong Hun LIM, Jun Hyuk CHANG
  • Publication number: 20240075988
    Abstract: An embodiment roof assembly for a vehicle includes a roof panel including a core, an upper skin attached to a top surface of the core, and a lower skin attached to a bottom surface of the core, a face sheet disposed above the roof panel, and a foam layer interposed between the roof panel and the face sheet.
    Type: Application
    Filed: March 21, 2023
    Publication date: March 7, 2024
    Inventors: Kyung Min Yu, Dong Won Kim, Chang Hun Lee, Min Jun Kim, Young Ju Kim, Hyun Chul Lee
  • Publication number: 20240081001
    Abstract: A display device includes a display panel having a folding axis extending in a first direction; and a panel supporter disposed on a surface of the display panel. The panel supporter includes a first layer including a first base resin and first fiber yarns extending in the first direction and dispersed in the first base resin, a second layer disposed on the first layer, the second layer including a second base resin and second fiber yarns extending in a second direction intersecting the first direction and dispersed in the second base resin, and a third layer disposed on the second layer, the third layer including a third base resin and third fiber yarns extending in the first direction and dispersed in the third base resin.
    Type: Application
    Filed: May 1, 2023
    Publication date: March 7, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Soh Ra HAN, Yong Hyuck LEE, Hong Kwan LEE, Hyun Jun CHO, Min Ji KIM, Sung Woo EO, Eun Gil CHOI, Sang Woo HAN
  • Patent number: 11923144
    Abstract: A multilayer ceramic electronic component includes: a body including dielectric layers as well as a plurality of internal electrodes stacked with respective dielectric layers interposed therebetween and including a first metal; and external electrodes disposed on external surfaces of the body including a second metal, wherein at least some of the plurality of internal electrodes include a core-shell region including the first and second metals, and average contents of the second metal in a core portion and a shell portion of the core-shell region are different from each other.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyun Kim, Dong Jun Jung, Dae Hee Lee, Soo Jeong Jo
  • Publication number: 20230366938
    Abstract: A battery diagnosing apparatus may include a voltage measuring circuit for generating a voltage signal representing a battery voltage across both ends of each of batteries; a database for storing abnormal patterns, a plurality of reference time series, and a predetermined corresponding relationship between the abnormal patterns and the plurality of reference time series; and a control unit for generating a plurality of input time series representing a change history of the battery voltage of each battery, based on the voltage signal. The control unit may extract an abnormal input time series representing an abnormal voltage behavior among the plurality of input time series by comparing the plurality of input time series with each other. The control unit may identify an abnormal pattern of the abnormal input time series among the abnormal patterns by comparing the abnormal input time series with the plurality of reference time series one by one.
    Type: Application
    Filed: January 6, 2022
    Publication date: November 16, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Hyun-Jun LEE
  • Publication number: 20230213788
    Abstract: A transmittance-variable device is provided in the present application. The present application provides a transmittance-variable device, which can be applied to various applications without causing problems such as a crosstalk phenomenon, a rainbow phenomenon or a mirroring phenomenon, while having excellent transmittance-variable characteristics.
    Type: Application
    Filed: March 9, 2023
    Publication date: July 6, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Eun Jung Lim, Sergey Belyaev, Min Jun Gim, Dong Hyun Oh, Jung Sun You, Nam Gyu Kim, Jin Hong Kim, Hyun Jun Lee
  • Publication number: 20230184837
    Abstract: A battery diagnosis device according includes a memory configured to store an observation matrix including a plurality of observation voltage vectors indicating a time-series of cell voltage of each of battery cells, and a controller configured to determine a plurality of principal component vectors, a plurality of singular values and a plurality of coefficient vectors from the observation matrix. Each coefficient vector includes a plurality of coefficients corresponding to the plurality of observation voltage vectors in a one-to-one relationship.
    Type: Application
    Filed: August 3, 2021
    Publication date: June 15, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Hyun-Jun LEE
  • Patent number: 11669280
    Abstract: A memory controller controlling an operation of a memory device including a plurality of memory cells may provide a first suspend command instructing the memory device to suspend performance of the first operation, provide a command requesting information on a target period in which the first operation is suspended among the plurality of periods, provide a command instructing a second operation to the memory device, provide a resume command instructing the memory device to resume the performance of the first operation after the second operation is ended, and provide a second suspend command instructing the memory device to re-suspend the performance of the first operation after a delay elapses from a time at which the resume command is provided, the delay being based on the delay information corresponding to the target period.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: June 6, 2023
    Assignee: SK hynix Inc.
    Inventors: Woo Hyun Kim, Hyun Jun Lee
  • Patent number: 11629292
    Abstract: A coating composition, a method for manufacturing a substrate using the same, and an optical device are provided. The method for manufacturing the substrate provides the substrate having excellent performance, as the substrate has fixed spacers on its surface by using a single layer in which nanoparticles and spacers are dispersed in an alignment film to reduce processes and cost. The optical device may be manufactured by such method.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: April 18, 2023
    Inventors: Hyun Jun Lee, Jung Sun You, Dong Hyun Oh, Eun Jung Lim
  • Patent number: 11630330
    Abstract: A transmittance-variable device is provided in the present application. The present application provides a transmittance-variable device, which can be applied to various applications without causing problems such as a crosstalk phenomenon, a rainbow phenomenon or a mirroring phenomenon, while having excellent transmittance-variable characteristics.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: April 18, 2023
    Inventors: Eun Jung Lim, Sergey Belyaev, Min Jun Gim, Dong Hyun Oh, Jung Sun You, Nam Gyu Kim, Jin Hong Kim, Hyun Jun Lee
  • Patent number: 11624940
    Abstract: A light modulation element that can vary between a bright transparent mode and a dark scattering mode is provided. The light modulation element has a first light modulation layer and a second light modulation layer comprising nematic liquid crystals and a dichroic dye in a scattering mode when a voltage is applied. The first light modulation layer and the second light modulation layer are disposed to overlap each other. The light modulation element has an improved contrast ratio and haze-variable characteristics, without precipitation of dichroic dyes and an increase in power consumption.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: April 11, 2023
    Inventors: Min Jun Gim, Eun Jung Lim, Jung Sun You, Jin Hong Kim, Hyun Jun Lee, Dong Hyun Oh
  • Publication number: 20230044388
    Abstract: A battery management system includes a voltage measurement circuit for generating a voltage signal indicating a cell voltage of each of a plurality of battery cells connected in series, and a controller. The controller determines an observation matrix including a plurality of observation voltage vectors indicating a voltage history of each of the plurality of battery cells in a moving window having a predetermined size based on the voltage signal. The controller determines a recovery matrix including a plurality of recovery voltage vectors corresponding to the plurality of observation voltage vectors in a one-to-one relationship. The controller detects an abnormality of each of the plurality of battery cells based on a plurality of absolute error vectors indicating a difference between the plurality of observation voltage vectors and the plurality of recovery voltage vectors.
    Type: Application
    Filed: July 14, 2021
    Publication date: February 9, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Hyun-Jun LEE
  • Patent number: 11536987
    Abstract: A light modulation device is disclosed herein. In some embodiments, a light modulation device includes a first polymer film substrate, a second polymer film substrate, an active liquid crystal layer disposed between the first and second polymer film substrates, a reflective layer, wherein the active liquid crystal layer is capable of switching between a first orientation state and a second orientation state different from the first orientation state upon application of a voltage, each of the polymer film substrates has an in-plane retardation of 4,000 nm or more for light having a wavelength of 550 nm, a ratio of an elongation (E1) in a first direction to an elongation (E2) in a second direction perpendicular to the first direction of 3 or more, and wherein an angle formed by the first directions of the first and second polymer film substrates is in a range of 0 degrees to 10 degrees.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: December 27, 2022
    Inventors: Min Jun Gim, Eun Jung Lim, Jung Sun You, Jin Hong Kim, Dong Hyun Oh, Hyun Jun Lee
  • Publication number: 20220382486
    Abstract: A memory controller controlling an operation of a memory device including a plurality of memory cells may provide a first suspend command instructing the memory device to suspend performance of the first operation, provide a command requesting information on a target period in which the first operation is suspended among the plurality of periods, provide a command instructing a second operation to the memory device, provide a resume command instructing the memory device to resume the performance of the first operation after the second operation is ended and provide a second suspend command instructing the memory device to re-suspend the performance of the first operation after a delay elapses from a time at which the resume command is provided, the delay being based on the delay information corresponding to the target period.
    Type: Application
    Filed: December 30, 2021
    Publication date: December 1, 2022
    Inventors: Woo Hyun KIM, Hyun Jun LEE
  • Patent number: 11506915
    Abstract: A light modulation device is disclosed herein. In some embodiments, a light modulation device includes a first polymer film substrate, a second polymer film substrate, an active liquid crystal layer disposed between the first and second polymer film substrates, wherein the active liquid crystal layer is capable of switching between a first orientation state and a second orientation state different from the first orientation state under an applied voltage, the first and second polymer film substrates have an in-plane retardation of 4,000 nm or more for light having a wavelength of 550 nm, a ratio of an elongation (E1) in a first direction to an elongation (E2) in a second direction perpendicular to the first direction of 3 or more, and wherein an angle formed by the first directions of the first and second polymer film substrates is in a range of 0 degrees to 10 degrees.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: November 22, 2022
    Inventors: Min Jun Gim, Dong Hyun Oh, Jung Sun You, Eun Jung Lim, Jin Hong Kim, Hyun Jun Lee, Nam Hun Kim
  • Patent number: 11418217
    Abstract: The present technology relates to an error correction circuit. According to the present technology, an error correction circuit performing error correction encoding on a plurality of messages to be stored in a memory device includes a first error correction encoder and a second error correction encoder. The first error correction encoder generates a plurality of codewords by performing first error correcting encoding on each of the plurality of messages. The second error correction encoder performs a second error correction encoding operation by performing an exclusive OR operation on symbols of an identical column layer within the codewords. The second error correction encoder determines a data unit as a target of the second error correction encoding operation based on a use period of the memory device.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: August 16, 2022
    Assignee: SK hynix Inc.
    Inventors: Dae Sung Kim, Hyun Jun Lee
  • Patent number: 11409470
    Abstract: Embodiments of the present disclosure relate to a memory system, a memory controller, and a method of operating the memory system. According to the embodiments of the present disclosure, the memory system may search for a target command, to be processed before entering a power-off state, in a plurality of command queues that queue commands to be inputted to the memory device when a sudden power off (SPO) signal is transmitted from a power management core to a flash interface layer core, may enqueue the target command into a top priority command queue having the highest priority among the plurality of command queues, and may input the target command enqueued into the top priority command queue to the memory device before entering the power-off state.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: August 9, 2022
    Assignee: SK hynix Inc.
    Inventor: Hyun Jun Lee
  • Publication number: 20220187632
    Abstract: The present application relates to a polarization-variable element. The polarization-variable element of the present application has a fast response speed and excellent variable characteristics of polarization degree and transmittance. Such polarization-variable element may be applied to various applications including various architectural or vehicle materials requiring transmittance-variable characteristics, or eyewear such as goggles for augmented reality experience sports, sunglasses or helmets.
    Type: Application
    Filed: April 16, 2020
    Publication date: June 16, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Eun Jung Lim, Dong Hyun Oh, Jung Sun You, Jin Hong Kim, Hyun Jun Lee