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: 20250249787Abstract: An embodiment apparatus for correcting an open circuit voltage (OCV) of a vehicle battery includes a storage configured to store a base OCV map for a low-voltage battery of a vehicle and a controller configured to convert the base OCV map into a target OCV map by using status information of the vehicle and status information of the low-voltage battery and correct a target OCV on the target OCV map based on a correction value corresponding to a number of days of parking of the vehicle, a correction value corresponding to a temperature of the low-voltage battery, or both the correction value corresponding to the number of days of parking of the vehicle and the correction value corresponding to the temperature of the low-voltage battery.Type: ApplicationFiled: July 31, 2024Publication date: August 7, 2025Inventors: Sang Jin Lee, Kyung Hyun Lim, Jun Ho Kim
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Patent number: 12379753Abstract: A display device including: a first elastic member; a display portion disposed on the first elastic member; and a sensing material layer disposed between the first elastic member and the display portion, wherein the display portion including a first island pattern, a second island pattern, and a slit, wherein the first island pattern and the second island pattern are spaced apart from each other with the slit therebetween, and each of the first island pattern and the second island pattern includes a pixel, and wherein the sensing material layer overlaps the slit.Type: GrantFiled: March 13, 2024Date of Patent: August 5, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Jin Lee, Young Dae Kim, Hee Na Kim, In Kyung Yoo
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Publication number: 20250246928Abstract: In an apparatus for managing a battery and a method thereof, the apparatus includes an charger that charges the battery including two or more battery cells connected in series, and a processor that is configured to control the charger to charge the battery with a first constant current in response to a fast charging request for the battery, monitors one of voltages of the battery cells while fast charging is in progress, and is configured to control charging characteristics of the battery according to a section in a dQ/dV profile to which the cell voltage belongs.Type: ApplicationFiled: September 27, 2024Publication date: July 31, 2025Applicants: Hyundai Motor Company, Kia CorporationInventors: Yoo Hong JANG, Yo Han BAEK, Sang Jin LEE, Hyo Kyung LEE, Bo Hyun LEE
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Patent number: 12368212Abstract: A battery module includes a cell stack formed by stacking a plurality of battery cells including a receiving portion in which an electrode assembly is accommodated, a first edge portion and a second edge portion along the longitudinal direction around the receiving portion, and a third edge portion and a fourth edge portion along the width direction, in the vertical direction with the receiving portions facing each other, the battery cell includes a resealing portion at the first edge portion, and includes a sealing portion or an unsealed portion at the second edge portion, and the first edge portion and the second edge portion are alternately positioned along the vertical direction on both sides of the cell stack.Type: GrantFiled: July 14, 2023Date of Patent: July 22, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Seung-Hyun Kim, Kyung-Hyun Bae, Seung-Min Ok, Da-Been Lee, Sang-Jin Lee, Chan-Young Jeong, Sang-Hyun Jo, Young-Bum Cho, Sung-Goen Hong
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Patent number: 12364064Abstract: A display device includes: a first alignment electrode and a second alignment electrode on a substrate, the first and second alignment electrodes extending in a first direction and being spaced apart from each other; an amorphous silicon layer on the first alignment electrode and the second alignment electrode, the amorphous silicon layer having an insulating portion covering the first alignment electrode and an electrode portion covering the second alignment electrode, the electrode portion of the amorphous silicon layer including an N-type dopant; a light emitting element on the amorphous silicon layer, one end of the light emitting element being on the insulating portion and another end of the light emitting element contacting the electrode portion of the amorphous silicon layer; a first insulating layer on the light emitting element and extending in the first direction; and a first electrode contacting the one end of the light emitting element.Type: GrantFiled: July 22, 2021Date of Patent: July 15, 2025Assignee: Samsung Display Co., Ltd.Inventors: Hee Na Kim, Cha Dong Kim, In Kyung Yoo, Sang Jin Lee, Chong Sup Chang
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Patent number: 12356836Abstract: A display device includes: a substrate; a light emitting element disposed on the substrate; an encapsulation layer disposed on the light emitting element; an organic layer disposed on the encapsulation layer; a first light shielding layer disposed on the organic layer; and an inorganic layer disposed between the organic layer and the first light shielding layer, and including a first region overlapping the first light shielding layer in a plan view and a second region having a refractive index less than a refractive index of the first region.Type: GrantFiled: February 18, 2022Date of Patent: July 8, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sangjin Park, Youngdae Kim, Sarah Lee, Sang Jin Lee
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Publication number: 20250221106Abstract: 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: ApplicationFiled: February 27, 2025Publication date: July 3, 2025Applicant: 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: 12339254Abstract: The present invention relates to an ultrasonic testing apparatus with a variable frequency, which can automatically change the frequency according to thickness and thereby detect internal defects in objects having various thicknesses. The ultrasonic testing apparatus may comprise: a nozzle jetting a medium toward an object so as to form a medium column; and a plurality of probes disposed in the nozzle so as to generate ultrasonic waves.Type: GrantFiled: December 16, 2020Date of Patent: June 24, 2025Assignee: POSCOInventors: Choong-Soo Lim, Hyeong-Jun Huh, Sang-Jin Lee
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Publication number: 20250203346Abstract: Proposed is a topology generation device for generating topology for a low earth orbit satellite constellation system including a plurality of low earth orbit satellites to be operated in a plurality of orbits. The topology generation device may include a memory storing one or more instructions and a processor executing the one or more instructions. The processor may collect orbit information for the plurality of orbits from a ground station, collect status information including status of links between the plurality of low earth orbit satellites, and generate location information for a first low earth orbit satellite by predicting a location of the first low earth orbit satellite based on the orbit information. The processor may also generate a network topology for the low earth orbit satellite constellation system based on the location information for the first low earth orbit satellite and the status information.Type: ApplicationFiled: March 20, 2024Publication date: June 19, 2025Inventors: Myoung Hun HAN, Dong Won KUM, Bong Soo ROH, Sang Jin LEE, Kil Soo JEONG
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Publication number: 20250176401Abstract: A tag for measuring resistance includes a substrate, an auxiliary electrode positioned on the substrate and having two portions spaced apart from each other with an opening therebetween, and a second electrode positioned within the opening, in which the auxiliary electrode includes a first layer and a second layer, the second layer is located between the first layer and the substrate, a portion of the first layer has an undercut structure, and does not overlap a top surface of the second layer, and the second electrode contacts the auxiliary electrode from a side of the auxiliary electrode.Type: ApplicationFiled: August 20, 2024Publication date: May 29, 2025Inventors: CHANGSUK LEE, SANG JIN LEE, CHONGSUP CHANG, Myoung Geun CHA
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Publication number: 20250170916Abstract: Provided is an electric vehicle battery charging voltage control apparatus including: a battery type determinator receiving a battery type and a battery charging start signal of an electric vehicle from a battery sensor operatively connected to the battery type determinator; a charging mode determinator operatively connected to the battery type determinator and configured for determining a battery charging mode in which an optimal charging voltage for each battery type is set based on the battery charging start signal and the battery type; and a charging voltage controller operatively connected to the battery type determinator and the charging mode determinator and compensating for the optimal charging voltage set based on the battery charging mode and setting a compensation charging voltage based on current battery durability determined based on durability determination logic based on a change in an output voltage of a battery which is set for each battery type.Type: ApplicationFiled: July 24, 2024Publication date: May 29, 2025Applicants: HYUNDAI MOTOR COMPANY, Kia CorporationInventors: Sang Jin LEE, KyungHyun LIM
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Publication number: 20250174821Abstract: A battery module includes a cell stack formed by stacking a plurality of battery cells including a receiving portion in which an electrode assembly is accommodated, a first edge portion and a second edge portion along the longitudinal direction around the receiving portion, and a third edge portion and a fourth edge portion along the width direction, in the vertical direction with the receiving portions facing each other, the battery cell includes a resealing portion at the first edge portion, and includes a sealing portion or an unsealed portion at the second edge portion, and the first edge portion and the second edge portion are alternately positioned along the vertical direction on both sides of the cell stack.Type: ApplicationFiled: July 14, 2023Publication date: May 29, 2025Applicant: LG ENERGY SOLUTION, LTD.Inventors: Seung-Hyun KIM, Kyung-Hyun BAE, Seung-Min OK, Da-Been LEE, Sang-Jin LEE, Chan-Young JEONG, Sang-Hyun JO, Young-Bum CHO, Sung-Goen HONG
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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: 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: 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: 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: 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