Patents by Inventor Sang-Jin Lee
Sang-Jin 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).
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Publication number: 20250135792Abstract: An ink-jet printing apparatus includes: a stage on which a substrate including first and second alignment marks is mounted; an ink-jet head part discharging ink; a mark measuring part measuring a first coordinate of each of the first and second alignment marks during a first compensation period, the mark measuring part measuring a second coordinate of the first alignment mark during a second compensation period; and a substrate fixing part holding the substrate. The substrate fixing part performs a first operation to move the substrate such that the first coordinates of the first and second alignment marks in a first direction align with each other during the first compensation period, and performs a second operation to move the substrate according to a result obtained by comparing the second coordinate of the first alignment mark with a reference coordinate of the first alignment mark during the second compensation period.Type: ApplicationFiled: August 12, 2024Publication date: May 1, 2025Applicant: Samsung Display Co., LTD.Inventors: Hee Jung LEE, Hong Gi MIN, Jong Sung KIM, Sang Jin LEE, Myung Soo HUH
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Publication number: 20250123004Abstract: An oven includes a main body, a cooking compartment provided in the main body and having a front surface thereof is opened, the cooking compartment having an opening, a camera provided above the cooking compartment and configured to capture an inside of the cooking compartment through the opening, a camera cooling fan disposed above the camera and configured to cool the camera by suctioning external air, a first glass provided at the opening of the cooking compartment so that the camera captures the inside of the cooking compartment and configured to block transmission of heat in the cooking compartment to the camera, and a second glass provided between the camera and the first glass and configured to additionally block the transmission of heat to the camera.Type: ApplicationFiled: December 23, 2024Publication date: April 17, 2025Applicant: Samsung Electronics Co., Ltd.Inventors: Hyeong Jin JANG, Sang-Jin LEE, Jung Hak LEE, Myoung Keun KWON, Sang Jun PARK, Eung Ryeol SEO, Han Jun SUNG
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Patent number: 12265068Abstract: A gas detection apparatus for cell module assemblies accurately and rapidly detects a damaged cell of a cell module assembly and the damaged position of the damaged cell. The gas detection apparatus includes a gas detection chamber configured to receive a cell module assembly; and a sliding die configured to be movable to the lower part of the gas detection chamber in the state in which the cell module assembly is disposed at the upper end thereof. The gas detection apparatus further includes a gas sensor provided in the gas detection chamber, the gas sensor including a plurality of gas sensors disposed so as to correspond to positions of cells of the cell module assembly. A gas detection method for cell module assemblies uses the gas detection apparatus for cell module assemblies.Type: GrantFiled: July 29, 2021Date of Patent: April 1, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Young Sung Jung, Sang Jin Lee, Seung Hee Chae
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Publication number: 20250098430Abstract: A display panel includes: a base layer; a plurality of light emitting elements arranged on the base layer; a partition wall that is disposed between the light emitting elements and electrically connects electrodes of the light emitting elements; and a plurality of inorganic patterns arranged on the light emitting elements. A recessed part recessed in a direction to the base layer is defined in the partition wall, and each of the plurality of inorganic patterns is disposed on the partition wall and covers one side surface of the partition wall that defines the recessed part.Type: ApplicationFiled: June 6, 2024Publication date: March 20, 2025Inventors: CHONGSUP CHANG, SANG JIN LEE, CHANGSUK LEE, MYOUNGGEUN CHA
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Patent number: 12255267Abstract: A display device includes a first electrode and a second electrode disposed on a substrate and spaced apart from each other in a first direction. A light emitting element is disposed between the first electrode and the second electrode. A third electrode is disposed on the first electrode and electrically contacts an end portion of the light emitting element. A fourth electrode is disposed on the second electrode and electrically contacts another end portion of the light emitting element. A side of the third electrode and a side of the first electrode are located on a first virtual line substantially perpendicular to the substrate. A side of the fourth electrode facing the side of the third electrode and the side of the second electrode are located on a second virtual line substantially perpendicular to the substrate.Type: GrantFiled: May 4, 2021Date of Patent: March 18, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chong Sup Chang, Cha Dong Kim, Hee Na Kim, In Kyung Yoo, Sang Jin Lee
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Patent number: 12255639Abstract: The present disclosure relates to a field-effect transistor (FET) controlling apparatus and method for accurately, controlling an operation state of a FET by adaptively adjusting a voltage applied to the FET to correspond to a voltage of a source terminal of the FET. The voltage applied to the gate terminal of the FET may be adaptively controlled according to the voltage of the source terminal using a capacitor. Therefore, even when the source terminal is not connected to the ground but connected to an external load, there is an advantage that the operation state of the FET may be smoothly and accurately controlled. In addition, there is an advantage that a voltage within a certain range may be applied to the gate terminal of the FET.Type: GrantFiled: November 26, 2020Date of Patent: March 18, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Yang-Soo An, Sang-Jin Lee
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Patent number: 12248240Abstract: A camera module includes a movable portion including a lens barrel, an accommodating portion configured to receive the movable portion, and a driving unit configured to drive the movable portion, comprising a driving magnet integrated with the movable portion. A cross-sectional area of the driving magnet decreases as a distance thereof from an optical axis increases.Type: GrantFiled: January 19, 2022Date of Patent: March 11, 2025Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sang Jin Lee, Myung Jae Park
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Publication number: 20250076401Abstract: A battery management apparatus includes a control circuit configured to determine an internal resistance value for each of one or more battery cells included in a battery pack by using a current change amount of the battery pack and a voltage change amount of the one or more battery cells, and diagnose defects in the one or more battery cells by using internal resistance values of the one or more battery cells, in response to charging the battery pack, where the control circuit is configured to determine the current change amount of the battery pack and the voltage change amount of the one or more battery cells based on a current change request time point requiring a charging current change based on a voltage of the battery pack reaching a predetermined voltage during the charge of the battery pack.Type: ApplicationFiled: May 29, 2024Publication date: March 6, 2025Inventors: Yoon Sung CHOI, Ju Seok KIM, Yoo Hong JANG, Sang Jin LEE, Hyo Kyung LEE, Yo Han BAEK
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Publication number: 20250074197Abstract: An apparatus for managing a battery includes a voltage sensor that measures a voltage of a battery cell mounted on a vehicle, and a processor that determines a short circuit risk of the battery cell.Type: ApplicationFiled: December 8, 2023Publication date: March 6, 2025Inventors: Yoo Hong Jang, Yoon Sung Choi, Sang Jin Lee, Hyo Kyung Lee, Yo Han Baek
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Publication number: 20250076392Abstract: In an apparatus for correcting a voltage of a battery cell and a method thereof. The apparatus includes a voltage sensor configured for measuring voltages of a plurality of battery cells, and a controller which is configured for determining an amount of voltage change of each battery cell corresponding to a preset discharge current, detects target battery cells whose identification numbers have preset intervals while the amount of voltage change does not exceed a threshold value, and corrects the amount of voltage change of each target battery cell.Type: ApplicationFiled: December 8, 2023Publication date: March 6, 2025Applicants: Hyundai Motor Company, Kia CorporationInventors: Yoo Hong JANG, Yoon Sung CHOI, Bo Hyun LEE, Sang Jin LEE, Hyo Kyung LEE, Yo Han BAEK
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Publication number: 20250058365Abstract: The present invention relates to an apparatus for manufacturing recycled carbon fibers and, more specifically, to an apparatus for manufacturing recycled carbon fibers using induction heat generation by high-frequency electromagnetic radiation of carbon fibers in carbon fiber mixed waste, and a method for manufacturing recycled carbon fibers using the same.Type: ApplicationFiled: August 24, 2022Publication date: February 20, 2025Inventors: Jinsil CHEON, Sang Jin LEE
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Publication number: 20250044362Abstract: A battery management apparatus includes a voltage sensor configured to measure a voltage of one or more battery cells, a control circuit configured to diagnose a defect in the one or more battery cells by determining a voltage change amount of the one or more battery cells using the voltage of the one or more battery cells measured by the voltage sensor, and a storage configured to store data and algorithms driven by the control circuit. The control circuit is configured to obtain a voltage for each battery cell by sequentially measuring the one or more battery cells, and to perform first voltage measurement on the one or more battery cells in a forward chronological order and to perform second voltage measurement on the one or more battery cells in a reverse chronological order.Type: ApplicationFiled: November 15, 2023Publication date: February 6, 2025Inventors: Yo Han Baek, Yoon Sung Choi, Sang Jin Lee, Hyo Kyung Lee, Yoo Hong Jang
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Patent number: 12215871Abstract: An oven includes a main body, a cooking compartment provided in the main body and having a front surface thereof is opened, the cooking compartment having an opening, a camera provided above the cooking compartment and configured to capture an inside of the cooking compartment through the opening, a camera cooling fan disposed above the camera and configured to cool the camera by suctioning external air, a first glass provided at the opening of the cooking compartment so that the camera captures the inside of the cooking compartment and configured to block transmission of heat in the cooking compartment to the camera, and a second glass provided between the camera and the first glass and configured to additionally block the transmission of heat to the camera.Type: GrantFiled: October 5, 2020Date of Patent: February 4, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyeong Jin Jang, Sang-Jin Lee, Jung Hak Lee, Myoung Keun Kwon, Sang Jun Park, Eung Ryeol Seo, Han Jun Sung
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Patent number: 12218113Abstract: A display device includes a substrate, a data conductive layer on the substrate and including a first voltage line, a via layer on the data conductive layer, a light emitting element on the via layer, a first contact electrode on the light emitting element and contacting a first end of the light emitting element, and a second contact electrode on the light emitting element and contacting a second end of the light emitting element, wherein the second contact electrode is electrically connected to the first voltage line through a first contact hole penetrating the via layer.Type: GrantFiled: August 23, 2021Date of Patent: February 4, 2025Assignee: Samsung Display Co., Ltd.Inventors: In Kyung Yoo, Hee Na Kim, Chong Sup Chang, Cha Dong Kim, Sang Jin Lee
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Publication number: 20250028003Abstract: An apparatus for detecting soft shorts of a battery cell and a method for the same are provided. The apparatus includes a sensor to measure voltages of a plurality of battery cells, and a controller to determine a slope of a voltage of each battery cell, the deviation of the slope of the voltage for each battery cell, and detect a battery cell, which has the soft shorts, of the plurality of battery cells, based on the slope and the deviation.Type: ApplicationFiled: November 27, 2023Publication date: January 23, 2025Applicants: HYUNDAI MOTOR COMPANY, Kia CorporationInventors: Yoon Sung CHOI, Yo Han BAEK, Sang Jin LEE, Hyo Kyung LEE, Yoo Hong JANG
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Publication number: 20250028000Abstract: An apparatus for monitoring a battery of a vehicle includes one or more sensors and a processor, wherein the one or more sensors may obtain a first voltage during a stabilization time of the battery, obtain a minimum voltage measured from a time point when the stabilization time ends to a time point when parking of the vehicle ends as a second voltage of the battery, and detect a temperature of the battery from a time point when the first voltage is obtained to a time point when the second voltage is obtained, and the processor may determine a first discharge amount based on the first voltage and the second voltage, determine a second discharge amount consumed in balancing the battery and operating the one or more sensors, determine a first self-discharge amount and a second self-discharge amount based on the first discharge amount, the second discharge amount, and the temperature, and determine whether a short circuit has occurred in the battery based on the first self-discharge amount and the second self-diType: ApplicationFiled: November 13, 2023Publication date: January 23, 2025Applicants: HYUNDAI MOTOR COMPANY, Kia CorporationInventors: Yoo Hong JANG, Yoon Sung CHOI, Sang Jin LEE, Hyo Kyung LEE, Yo Han BAEK
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Publication number: 20240378490Abstract: Systems and methods include reception of time-series data of each of a plurality of metrics, generation of data instances from the time-series data, each data instance including a value of each of the plurality of metrics and associated with a respective time period, training of a first system using unsupervised learning to generate anomaly values based on the data instances, automatic assignment of incident type labels to a subset of the data instances based on the anomaly values and on incident classification models, presentation of the subset of the data instances and the assigned incident type labels to an operator, determination of an operator-confirmed incident type label for each presented data instance based on input received from the operator, and training of one or more classification systems using supervised learning based on the operator-confirmed incident type labels and the subset of the data instances.Type: ApplicationFiled: May 10, 2023Publication date: November 14, 2024Inventors: Yangyang CHEN, Sang-Jin Lee
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Publication number: 20240368754Abstract: A structure of a substrate is provided including a tungsten-containing layer including a nucleation layer and a fill layer. The nucleation layer is disposed along sidewalls of the opening. The nucleation layer includes boron and tungsten. The fill layer is disposed over the nucleation layer within the opening. The tungsten-containing layer includes a resistivity of about 16 ??·cm or less. The tungsten-containing layer has a thickness of about 200 ? to about 600 ?. The tungsten-containing layer thickness is half a width of the tungsten-containing layer disposed within the opening between opposing sidewall portions of the opening.Type: ApplicationFiled: July 15, 2024Publication date: November 7, 2024Inventors: Peiqi WANG, Cheng CHENG, Kai WU, Insu HA, Sang Jin LEE
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Publication number: 20240339364Abstract: An apparatus for fabricating a display panel includes a loading plate on which a fabrication substrate is loaded, a plurality of optical microscopes that captures the fabrication substrate and alignment marks of the fabrication substrate, a gripper driver that aligns the fabrication substrate by adjusting a gap between gripper units and rotating the gripper units; and a substrate alignment controller that calculates an amount of rotation correction for the gripper units based on a deviated angle of the fabrication substrate to supply it to the gripper driver, calculates a gripper gap setting value for adjusting the gap between the gripper units using a residual of the aligned fabrication substrate, and provides the gripper gap setting value to the gripper driver.Type: ApplicationFiled: November 22, 2023Publication date: October 10, 2024Applicant: Samsung Display Co., LTD.Inventors: Hee Jung LEE, Hong Gi MIN, Jong Sung KIM, Sang Jin LEE, Myung Soo HUH
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Patent number: D1060148Type: GrantFiled: June 8, 2023Date of Patent: February 4, 2025Assignees: Hyundai Motor Company, Kia CorporationInventors: Sang-Jin Lee, Jae-Sup Park