Patents by Inventor Sung Im
Sung Im 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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Patent number: 12218355Abstract: Disclosed are an anode active material for an all-solid-state battery in which a lithophilic material is deposited inside and on particles.Type: GrantFiled: May 15, 2024Date of Patent: February 4, 2025Assignees: Hyundai Motor Company, Kia CorporationInventors: Yoon Kwang Lee, Yun Sung Kim, Ga Hyeon Im, Kyu Joon Lee, Hong Seok Min, Sang Heon Lee
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Patent number: 12142178Abstract: A method of driving a display device includes: sensing characteristic information of pixels by outputting sensing voltages to sensing lines; and operating an external compensation of the pixels based on the characteristic information. The sensing of the characteristic information of pixels includes: detecting a capacitance deviation of sensing capacitors of first sensing lines connected to the sensing lines; and sensing the characteristic information of the pixels by replacing at least one of the first sensing lines with a second sensing line based on the capacitance deviation.Type: GrantFiled: August 15, 2023Date of Patent: November 12, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jiyoung Eom, Sang-Won Lee, Dong-Sung Im, Seonghwan Choi
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Patent number: 12078683Abstract: A communication apparatus includes a data collecting unit for obtaining log information about a state of a battery from a battery management system that manages the battery, a first storing unit including reference log information for determining abnormality of the battery, and a diagnosing unit for diagnosing abnormality of the battery by comparing the log information about the state of the battery with the reference log information.Type: GrantFiled: April 7, 2022Date of Patent: September 3, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Young Chang Jo, Hyun Ju Hong, Sung Yul Yoon, Jae Kwang Jeon, Jeong Bin Lee, Jae Sung Im, Won Kyung Kim, Won Bin Choi, Myung Hyun Shim
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Patent number: 12032033Abstract: A battery management apparatus according to the present disclosure includes a voltage measurement circuit to measure a cell voltage of each of a plurality of battery cells; and a control unit to determine the cell voltage of each of the plurality of battery cells and a reference voltage of the plurality of battery cells at a preset time interval during a rest period. The control unit determines a first accumulated change of the cell voltage of each battery cell during the rest period. The control unit determines a second accumulated change of the reference voltage during the rest period. The control unit determines whether each battery cell is defective by comparing the first accumulated change of each battery cell with the second accumulated change.Type: GrantFiled: July 30, 2021Date of Patent: July 9, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Myung-Hyun Shim, Sung-Yul Yoon, Ki-Woong Kim, Won-Kyung Kim, Jeong-Bin Lee, Jae-Sung Im, Won-Bin Choi
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Patent number: 11967847Abstract: A battery bank control device is provided for setting a power limit value of a battery bank in which a plurality of battery racks (BRs) are connected in parallel. The device includes: a voltage measurement unit measuring a voltage of each BR of the plurality of BRs; a first power limit calculation unit calculating a first power limit value according to a state of charge (SOC) calculated based on the voltage of each BR with respect to each BR; a capacity ratio calculation unit calculating a capacity ratio of each BR based on capacity information of the plurality of BRs; a second power limit calculation unit calculating a second power limit value using the capacity ratio and the first power limit value of each BR; and a battery bank power limit calculation unit calculating a battery bank power limit value using the second power limit value of each BR.Type: GrantFiled: March 16, 2020Date of Patent: April 23, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Sung Yul Yoon, Yoon Joon Choi, Hae In Choi, Jae Sung Im, Hyo Seok Lee
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Publication number: 20230386381Abstract: A method of driving a display device includes: sensing characteristic information of pixels by outputting sensing voltages to sensing lines; and operating an external compensation of the pixels based on the characteristic information. The sensing of the characteristic information of pixels includes: detecting a capacitance deviation of sensing capacitors of first sensing lines connected to the sensing lines; and sensing the characteristic information of the pixels by replacing at least one of the first sensing lines with a second sensing line based on the capacitance deviation.Type: ApplicationFiled: August 15, 2023Publication date: November 30, 2023Inventors: JIYOUNG EOM, SANG-WON LEE, DONG-SUNG IM, SEONGHWAN CHOI
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Patent number: 11735082Abstract: A method of driving a display device includes: sensing characteristic information of pixels by outputting sensing voltages to sensing lines; and operating an external compensation of the pixels based on the characteristic information. The sensing of the characteristic information of pixels includes: detecting a capacitance deviation of sensing capacitors of first sensing lines connected to the sensing lines; and sensing the characteristic information of the pixels by replacing at least one of the first sensing lines with a second sensing line based on the capacitance deviation.Type: GrantFiled: October 12, 2021Date of Patent: August 22, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jiyoung Eom, Sang-Won Lee, Dong-Sung Im, Seonghwan Choi
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Publication number: 20230108798Abstract: A battery management apparatus according to the present disclosure includes a voltage measurement circuit to measure a cell voltage of each of a plurality of battery cells; and a control unit to determine the cell voltage of each of the plurality of battery cells and a reference voltage of the plurality of battery cells at a preset time interval during a rest period. The control unit determines a first accumulated change of the cell voltage of each battery cell during the rest period. The control unit determines a second accumulated change of the reference voltage during the rest period. The control unit determines whether each battery cell is defective by comparing the first accumulated change of each battery cell with the second accumulated change.Type: ApplicationFiled: July 30, 2021Publication date: April 6, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventors: Myung-Hyun SHIM, Sung-Yul YOON, Ki-Woong KIM, Won-Kyung KIM, Jeong-Bin LEE, Jae-Sung IM, Won-Bin CHOI
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Patent number: 11567141Abstract: A battery pack according to an embodiment of the present disclosure may include a plurality of battery cells and a BMS for controlling the battery pack. The BMS may include a state-of-charge (SOC) calculation module for calculating a SOC of each of the plurality of battery cells included in the battery pack and a faulty battery cell detection unit for detecting at least one faulty battery cell on the basis of the calculated SOC of each of the plurality of battery cells.Type: GrantFiled: June 19, 2020Date of Patent: January 31, 2023Assignee: LG ENERGY SOLUTION, LTD.Inventors: An Soo Kim, Dong Keun Kwon, Hyun Chul Lee, Sung Yul Yoon, Seung Hyun Kim, Jae Sung Im
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Publication number: 20220404419Abstract: A battery data management system includes a communication device for obtaining state data of a battery from a battery management system and transmitting the state data of the battery to an outside and a management server for managing the state data of the battery, received from the communication device through a first network.Type: ApplicationFiled: April 7, 2022Publication date: December 22, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Young Chang JO, Hyun Ju HONG, Sung Yul YOON, Jae Kwang JEON, Jeong Bin LEE, Jae Sung IM, Won Kyung KIM, Won Bin CHOI, Myung Hyun SHIM
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Publication number: 20220268843Abstract: A battery analysis apparatus according to an embodiment disclosed herein includes a site information generating unit configured to generate information of an energy storage system (ESS) site, a data collecting unit configured to collect state data of at least one battery included in the ESS site, and an analyzing unit configured to analyze a state of the battery based on the state data of the battery.Type: ApplicationFiled: April 7, 2022Publication date: August 25, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Jae Kwang JEON, Young Chang JO, Sung Yul YOON, Jeong Bin LEE, Jae Sung IM, Won Kyung KIM, Won Bin CHOI, Myung Hyun SHIM
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Publication number: 20220268844Abstract: A communication apparatus according to an embodiment disclosed herein includes a data collecting unit configured to obtain log information about a state of a battery from a battery management system that manages the battery, a first storing unit including reference log information for determining abnormality of the battery, and a diagnosing unit configured to diagnose abnormality of the battery by comparing the log information about the state of the battery with the reference log information.Type: ApplicationFiled: April 7, 2022Publication date: August 25, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Young Chang JO, Hyun Ju HONG, Sung Yul YOON, Jae Kwang JEON, Jeong Bin LEE, Jae Sung IM, Won Kyung KIM, Won Bin CHOI, Myung Hyun SHIM
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Publication number: 20220198979Abstract: A method of driving a display device includes: sensing characteristic information of pixels by outputting sensing voltages to sensing lines; and operating an external compensation of the pixels based on the characteristic information. The sensing of the characteristic information of pixels includes: detecting a capacitance deviation of sensing capacitors of first sensing lines connected to the sensing lines; and sensing the characteristic information of the pixels by replacing at least one of the first sensing lines with a second sensing line based on the capacitance deviation.Type: ApplicationFiled: October 12, 2021Publication date: June 23, 2022Inventors: JIYOUNG EOM, SANG-WON LEE, DONG-SUNG IM, SEONGHWAN CHOI
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Publication number: 20220140618Abstract: A battery bank control device is provided for setting a power limit value of a battery bank in which a plurality of battery racks (BRs) are connected in parallel. The device includes: a voltage measurement unit measuring a voltage of each BR of the plurality of BRs; a first power limit calculation unit calculating a first power limit value according to a state of charge (SOC) calculated based on the voltage of each BR with respect to each BR; a capacity ratio calculation unit calculating a capacity ratio of each BR based on capacity information of the plurality of BRs; a second power limit calculation unit calculating a second power limit value using the capacity ratio and the first power limit value of each BR; and a battery bank power limit calculation unit calculating a battery bank power limit value using the second power limit value of each BR.Type: ApplicationFiled: March 16, 2020Publication date: May 5, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Sung Yul YOON, Yoon Joon CHOI, Hae In CHOI, Jae Sung IM, Hyo Seok LEE
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Publication number: 20200408849Abstract: A battery pack according to an embodiment of the present disclosure may include a plurality of battery cells and a BMS for controlling the battery pack. The BMS may include a state-of-charge (SOC) calculation module for calculating a SOC of each of the plurality of battery cells included in the battery pack and a faulty battery cell detection unit for detecting at least one faulty battery cell on the basis of the calculated SOC of each of the plurality of battery cells.Type: ApplicationFiled: June 19, 2020Publication date: December 31, 2020Applicant: LG CHEM, LTD.Inventors: An Soo KIM, Dong Keun KWON, Hyun Chul LEE, Sung Yul YOON, Seung Hyun KIM, Jae Sung IM
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Patent number: 10373586Abstract: A display device includes a display panel, a first flexible film, and a second flexible film. The display panel includes a non-display area outside a display area. The first flexible film is attached to a first side surface of the display panel. The second flexible film is attached to a second side surface of the display panel. The display panel includes a signal line, a pad electrode, and a side surface connection electrode. The signal line is in the display area and connects the first and second flexible films. The pad electrode extends from the signal line. The side surface connection electrode is on the first and second side surfaces and directly contacts the pad electrode. The first flexible film and the second flexible film are coupled to the side surface connection electrode and are electrically connected to the signal line.Type: GrantFiled: April 25, 2017Date of Patent: August 6, 2019Assignee: Samsung Display Co., Ltd.Inventors: Donghee Ye, Jeongman Son, Je-yun Lee, Dong-sung Im, Duyeon Han
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Patent number: 9983428Abstract: A display device includes a display panel, a backlight assembly, a back cover and a curve control assembly. The back cover has a curved shape and faces the display panel with the backlight assembly therebetween to cover a back surface of the backlight assembly. The curve control assembly is between the backlight assembly and the back cover to adjust a curved degree of the display panel. The curve control assembly includes a first rail, a second rail, and a rolling unit. The first rail is coupled to the back surface of the backlight assembly, and the second rail is coupled to the back cover to face the first rail. The rolling unit is commonly connected to each of the first rail and the second rail and is movable along the first and second rails to move the display panel in directions toward and away from the back cover.Type: GrantFiled: April 21, 2017Date of Patent: May 29, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong-sung Im, Jeongjin Park, Je-yun Lee
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Publication number: 20180061367Abstract: A display device includes a display panel, a first flexible film, and a second flexible film. The display panel includes a non-display area outside a display area. The first flexible film is attached to a first side surface of the display panel. The second flexible film is attached to a second side surface of the display panel. The display panel includes a signal line, a pad electrode, and a side surface connection electrode. The signal line is in the display area and connects the first and second flexible films. The pad electrode extends from the signal line. The side surface connection electrode is on the first and second side surfaces and directly contacts the pad electrode. The first flexible film and the second flexible film are coupled to the side surface connection electrode and are electrically connected to the signal line.Type: ApplicationFiled: April 25, 2017Publication date: March 1, 2018Inventors: Donghee YE, Jeongman SON, Je-yun LEE, Dong-sung IM, Duyeon HAN
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Publication number: 20170315401Abstract: A display device includes a display panel, a backlight assembly, a back cover and a curve control assembly. The back cover has a curved shape and faces the display panel with the backlight assembly therebetween to cover a back surface of the backlight assembly. The curve control assembly is between the backlight assembly and the back cover to adjust a curved degree of the display panel. The curve control assembly includes a first rail, a second rail, and a rolling unit. The first rail is coupled to the back surface of the backlight assembly, and the second rail is coupled to the back cover to face the first rail. The rolling unit is commonly connected to each of the first rail and the second rail and is movable along the first and second rails to move the display panel in directions toward and away from the back cover.Type: ApplicationFiled: April 21, 2017Publication date: November 2, 2017Inventors: Dong-sung IM, Jeongjin PARK, Je-yun LEE
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Patent number: 9510440Abstract: A display device includes a flexible display substrate and a curvature variation device. The curvature variation device is disposed on a rear surface of the flexible display substrate. A length of the curvature variation device is varied in response to an operation of a user to the curvature variation device, to vary a curvature of the flexible display substrate.Type: GrantFiled: June 19, 2014Date of Patent: November 29, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yun-Ha Nam, Dong-Sung Im