Patents by Inventor Hyun a Lee

Hyun a 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: 11993564
    Abstract: Provided is a method of decomposing phenolic by-products, and more particularly, a method of decomposing phenolic by-products including: supplying a phenolic by-product stream to a decomposition device to perform thermal decomposition; separating an upper discharge stream including effective components and a lower discharge stream including materials having a high boiling point in the decomposition device; supplying the lower discharge stream from the decomposition device, a side discharge stream from the decomposition device, and a process water stream to a mixing device and mixing these streams; and supplying a discharge stream from the mixing device to a layer separation device to separate the discharge stream from the mixing device into an oil phase and an aqueous phase.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: May 28, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Min Suk Kang, Sang Beom Lee, Ji Hyang Son, Chi Hyun Jang
  • Patent number: 11994982
    Abstract: A memory module comprises dynamic random access memory (DRAM) devices arranged in ranks, and a module controller configurable to receive address and control signals for a memory operation, and to output first module control signals to the DRAM devices, causing a selected rank to output or receive N-bit-wide data. The module controller is further configurable to output second module control signals to a plurality of data buffers coupled to the DRAM devices via module data lines. Each respective data buffer includes a n-bit-wide (n<N) data path and logic configurable to, in response to the second module control signals, enable the n-bit-wide data path to receive and regenerate signals carrying a respective n-bit-wide section of the N-bit-wide data communicated from/to a respective n-bit-wide section of the module data lines. The logic is further configurable to disable the n-bit-wide data path when the memory module is not being accessed for data.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: May 28, 2024
    Assignee: Netlist, Inc.
    Inventors: Hyun Lee, Jayesh R. Bhakta
  • Patent number: 11995497
    Abstract: The present disclosure provides a method of detecting a magnetization signal of a physically unclonable functions (PUF) device including acquiring, by a magnetization signal detection sensor, an image of a magnetic layer of the PUF device including the magnetic layer having a perpendicular magnetization component and identifying a magnetization state of the magnetic layer from the image of the magnetic layer acquired by the magnetization signal detection sensor, and according to the present disclosure, it is possible to more efficiently check the magnetization signal of the PUF device and acquire a random unique ID according to magnetization.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: May 28, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Joon-Hyun Kwon, Ji-Sung Lee, Han-Saem Lee, Su-Jung Noh
  • Patent number: 11995887
    Abstract: A developed impact mark analysis apparatus includes: an image acquisition unit configured to obtain at least one first image by photographing impact marks that are developed, and to obtain a second image of impact marks at a crime scene that are developed from evidence at the crime scene; an outliner configured to outline the at least one first image to obtain at least one first outline image, and to outline the second image to obtain a second outline image; a database configured to store the first outline image corresponding to related tool characteristic information; a matching unit configured to search the database for the first outline image determined to be similar to the second outline image and match them with each other; a display unit; and a user input unit.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: May 28, 2024
    Assignee: REPUBLIC OF KOREA (NATIONAL FORENSIC SERVICE DIRECTOR MINISTRY OF THE INTERIOR AND SAFETY)
    Inventors: Nam Kyu Park, Byung Seon Moon, Jae Mo Goh, Jin Pyo Kim, Young Il Seo, Eun Ah Joo, Je Hyun Lee, Sang Yoon Lee
  • Patent number: 11996182
    Abstract: Disclosed is an apparatus for assisting the reading of a medical image based on a medical artificial neural network, the apparatus including a computing system. An apparatus according to an embodiment of the present invention includes a computing system, and the computing system includes at least one processor. The at least one processor acquires or receives a first analysis result obtained through the inference of a first artificial neural network for a first medical image, generates a first visualization format, which is a representative visualization format of the first medical image, based on the first analysis result, and visualizes the first medical image and the first analysis result based on the first visualization format.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: May 28, 2024
    Assignees: CORELINE SOFT CO., LTD., THE ASAN FOUNDATION, UNIV. OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION
    Inventors: Sang Min Lee, Dong Hyun Yang, Jin Kook Kim, Jaeyoun Yi, Donghoon Yu, Seung Lee Park
  • Publication number: 20240170654
    Abstract: A cathode active material for a lithium secondary battery according to an embodiment includes a plurality of a lithium metal oxide particle that include a core containing a lithium iron phosphate-based compound and being doped with at least one metal element of Ti, V and Mn; and a carbon coating formed of the core. A ratio of an intensity of a peak corresponding to PO4 relative to an intensity of a D band measured by a Raman spectroscopy analysis is in a range from 0.10 to 0.33.
    Type: Application
    Filed: September 1, 2023
    Publication date: May 23, 2024
    Inventors: Min Suk KANG, Ji Yae DO, Min Cheol BEAK, Jung Hyun YUN, Kwang Ho LEE, Hyun Ji LEE
  • Publication number: 20240170774
    Abstract: Secondary battery sealing equipment presses and seals a sealing portion of a pouch. The secondary battery sealing equipment including includes: a pair of sealing blocks and a gap adjustment device configured to adjust the gap between the pair of sealing blocks. The gap adjustment device includes: support pieces provided at respective ends of a first sealing block that presses one surface of the sealing portion of the pouch; and gap adjustment pieces rotatably coupled to respective ends of a second sealing block that presses the other surface of the sealing portion of the pouch. Each of the gap adjustment pieces is provided with a plurality of adjustment surfaces having different heights, and at least one of the plurality of adjustment surfaces is configured to engage a respective support pieces to adjust the gap between the pair of sealing blocks.
    Type: Application
    Filed: October 7, 2022
    Publication date: May 23, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Eung Hyun Lee, Woong Gun Oh, Gee Hwan Kim, Sang Uk Yeo
  • Publication number: 20240170661
    Abstract: Embodiments of the present invention provide a cathode active material for a lithium secondary battery including lithium-transition metal composite oxide particles. The lithium-transition metal composite oxide particles have a (113) plane FWHM change rate of 75% or less, which is measured through in-situ X-ray diffraction (XRD) and defined by Equation 1. Thereby, life-span characteristics of the lithium secondary battery may be improved by preventing a lattice structure and/or a crystal structure in lithium-transition metal composite oxide particles from being deformed.
    Type: Application
    Filed: March 10, 2023
    Publication date: May 23, 2024
    Inventors: Yoon Ji LEE, Seung Hyun KIM, Hong Ki KIM, Min Gu KANG
  • Publication number: 20240165589
    Abstract: Disclosed herein is a catalyst for an upgrading reaction of biomass pyrolysis oil, a method for preparing the same, and a method for upgrading biomass pyrolysis oil using the same. The catalyst is a composite inorganic oxide, and the composite inorganic oxide includes lanthanum, nickel, titanium, and cerium. When a metal catalyst supported on carbon is used as a catalyst for a first step reaction, by using the catalyst as a catalyst for a second step reaction, the efficiency of the upgrading reaction of bio-oil is increased and a continuous reaction is possible without clogging of a continuous reactor.
    Type: Application
    Filed: December 27, 2022
    Publication date: May 23, 2024
    Inventors: Chunjae YOO, Jeong-Myeong HA, Dong Jin SUH, Jae Wook CHOI, Young Hyun YOON, Kyeongsu KIM, Chang Soo KIM, Kwang Ho KIM, Thi Lien DO, Jong Hyun LEE, Jin A EUN
  • Publication number: 20240172494
    Abstract: Provided are a display apparatus and a method of manufacturing the display apparatus. The display apparatus includes a support substrate including a first support substrate and a second support substrate spaced apart from each other, a substrate disposed on the support substrate, a display layer disposed on a portion of the substrate disposed on the first support substrate, and a thin-film encapsulation layer disposed to cover the display layer, wherein a surface of the first support substrate and a surface of the second support substrate facing each other include a slope surface.
    Type: Application
    Filed: November 20, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jewon Yoo, Dongjo Kim, Youngji Kim, Hyun Kim, Seonggeun Won, Seungmin Lee, Soukjune Hwang
  • Publication number: 20240168694
    Abstract: A display device and a wearable device. The display device may include at least one display panel comprising multiple subsidiary display panels, wherein images output from the subsidiary panels are extended to one another to form a single screen image and at least one multi-channel lens including multiple subsidiary lenses to provide multiple channels for light incident onto the subsidiary lenses, respectively, wherein the subsidiary display panels are associated with the subsidiary lenses, respectively, and the subsidiary display panels are inclined at a first angle from a reference plane so that their front surfaces face the respective subsidiary lenses.
    Type: Application
    Filed: September 11, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Sang Ho KIM, Soo Min BAEK, Ju Youn SON, Ji Won LEE, Cheon Myeong LEE, Bek Hyun LIM, Ju Hwa HA
  • Publication number: 20240164929
    Abstract: The present disclosure relates to a sleeve gastrectomy aid device including: a guide configured to be inserted into a stomach of a patient; an expander configured to be disposed outside the guide and have a volume that changes according to an amount of air therein; a first measurer configured to measure a pressure applied to the expander and have a shape that changes in accordance with a change in the volume of the expander; and a monitor configured to be connected to the first measurer and provide resection position information through a value of the pressure measured by the first measurer.
    Type: Application
    Filed: December 31, 2021
    Publication date: May 23, 2024
    Applicants: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, SOONCHUNHYANG UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Moon Gu LEE, Sang Hyun KIM, Sang Chul YUN, Sung Woo CHO, Chang Ho JUNG, Young Jae KANG
  • Publication number: 20240171112
    Abstract: The present invention relates to a motor driving control system and a control method thereof. The purpose of the present invention is to provide a motor driving control system and a control method thereof, which may change electric current limiting logic, which is applied to a BLDC motor for a cooling fan, in response to an operating speed of the motor to stably protect the motor from an overload in a low-speed driving state as well as an overload in a high-speed driving state.
    Type: Application
    Filed: March 8, 2022
    Publication date: May 23, 2024
    Inventors: Kyung Won AN, Min Sik KIM, Sang Hun KIM, Won Seok KIM, Tae Wan KIM, Pureunsam PARK, Sung Joon LEE, Song Cheol LEE, Ho Bin IM, Eui Hyun KIM
  • Publication number: 20240172493
    Abstract: An organic light emitting display device, in which a silicon semiconductor pattern is formed on a buffer layer, and light shielding patterns of a pixel driving thin film transistor and a switching thin film transistor are then formed in the same process by processing portions of the silicon semiconductor pattern such that the portions of the silicon semiconductor pattern have conductivity, is disclosed. In a procedure of forming the silicon semiconductor pattern for formation of the light shielding patterns, a silicon semiconductor pattern, which is disposed under a gate driving thin film transistor, may be formed simultaneously with the former silicon semiconductor pattern, without using an additional silicon semiconductor pattern formation procedure. Accordingly, stack structures, planar design, and processes are simplified and, as such, there are effects of preventing failure occurring due to processes while reducing tact time and costs.
    Type: Application
    Filed: September 22, 2023
    Publication date: May 23, 2024
    Inventors: Young Hyun KO, Ju Heyuck BAECK, Do Hyung LEE, Hong Rak CHOI, Chan Yong JEONG
  • Publication number: 20240169632
    Abstract: An automatic arrangement method and device may receive pattern information for each pattern including shapes and sizes of patterns constituting a garment. Arrangement points at which the patterns are to be initially arranged on a three-dimensional (3D) avatar are predicted by applying the pattern information for each pattern to a neural network model trained to classify and arrange the patterns based on confidence scores calculated based on the pattern information. The patterns are arranged on the 3D avatar based on the arrangement points.
    Type: Application
    Filed: November 16, 2023
    Publication date: May 23, 2024
    Inventors: Eun Jung JU, Dong Sig KANG, Ho Hyun LEE
  • Publication number: 20240169871
    Abstract: A display device includes a substrate including a display area and a non-display area disposed near the display area, a plurality of pixels disposed in the display area, a plurality of signal lines disposed on the substrate and connected to the pixels, and a pad portion disposed in the non-display area and including a plurality of pads. The signal lines include a first crack detecting line connected to a first test voltage pad and a first pad at a first node, connected to a second pad at a second node, and extending around the non-display area between the first node and the second node, as well as a first data line including a first end connected to a first transistor connected to the first crack detecting line at the second node, and a second end connected to corresponding pixels from among the plurality of pixels.
    Type: Application
    Filed: January 22, 2024
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Kwang Sae LEE, Ji-Hyun KA, Won Kyu KWAK, Hwa Young SONG, Ki Myeong EOM
  • Publication number: 20240166522
    Abstract: The present invention provides: a method for preparing a petcoke-based artificial graphite negative electrode material for a lithium secondary battery, in which low-grade petcoke is used as a raw material, and artificial graphite having a high degree of graphitization is prepared through leaching and acid treatment of pulverized/classified low-grade petcoke in an acidic solution, followed by carbonization and graphitization; an artificial graphite negative electrode material for a lithium secondary battery, prepared thereby; and a lithium secondary battery.
    Type: Application
    Filed: March 29, 2022
    Publication date: May 23, 2024
    Inventors: Young-Pyo JEON, Seung-Hyun KO, Hyun-Sig KIL, Seung-Jae HA, Hyo-Cheol LEE, Min-Seong JO
  • Publication number: 20240169900
    Abstract: A display device includes a substrate including a display area and a non-display area adjacent to the display area, a plurality of pixels disposed on the display area of the substrate, and a switching unit disposed on the non-display area of the substrate, connected to each of the plurality of pixels, and including a plurality of first demultiplexers and a plurality of second demultiplexers having sizes different from sizes of the plurality of first demultiplexers.
    Type: Application
    Filed: October 19, 2023
    Publication date: May 23, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: BONGWON LEE, DONGSOO KIM, HYUNGJUN PARK, HYUN-CHOL BANG, YOUNG-SOO YOON, TAEHYOUNG NO, YUN-KYEONG IN
  • Publication number: 20240170669
    Abstract: Lithium secondary batteries are disclosed. In an embodiment, a lithium secondary battery includes an anode including an anode active material that includes carbon-based active material particles including carbon, the carbon-based active material particles having a Brunauer-Emmett-Teller (BET) specific surface area of 3.0 m2/g to 5.0 m2/g and an average particle diameter (D50) of 5?m to 7.5 ?m, a cathode facing the anode, and a non-aqueous electrolyte solution including a non-aqueous organic solvent that includes a propionate-based organic solvent including propionate and a lithium salt. A content of the propionate-based organic solvent relative to a total volume of the non-aqueous organic solvent is 55 vol % or more.
    Type: Application
    Filed: November 17, 2023
    Publication date: May 23, 2024
    Inventors: Eun Jin KIM, You Kyung PARK, Jung Hyun SEO, Eun Sam CHO, Jeong Tae HWANG, Mi Ryeong LEE, Yoon Ji LEE
  • Publication number: 20240170266
    Abstract: The present invention provides a component for a semiconductor device fabrication apparatus, a semiconductor device fabrication apparatus including the same, and a method of fabricating a semiconductor device, wherein the component includes single-crystal silicon, wherein, on at least one surface thereof, a water contact angle is 45° to 74° and a diiodomethane contact angle is 41° to 57°.
    Type: Application
    Filed: November 17, 2023
    Publication date: May 23, 2024
    Inventors: Hyun Soo LEE, Hae Mi KANG, Do Hyun CHOI, Il Gu YONG, Jong Kyu LEE, Ho Geun HAN, Ju Young SONG