Patents by Inventor Byung Eun Lee
Byung Eun 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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Patent number: 11967462Abstract: A capacitor component includes a body, including a dielectric layer and an internal electrode layer, and an external electrode disposed on the body and connected to the internal electrode layer. At least one hole is formed in the internal electrode layer, and a region, containing at least one selected from the group consisting of indium (In) and tin (Sn), is disposed in the hole. A method of manufacturing a capacitor component includes forming a dielectric green sheet, forming a conductive thin film, including a first conductive material and a second conductive material, on the dielectric green sheet, and sintering the conductive thin film to form an internal electrode layer. The internal electrode layer includes the first conductive material, and a region, including the second conductive material, is formed in the internal electrode layer.Type: GrantFiled: October 12, 2021Date of Patent: April 23, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yun Sung Kang, Su Yeon Lee, Won Jun Na, Byung Kun Kim, Yu Hong Oh, Sun Hwa Kim, Jae Eun Heo, Hoe Chul Jung
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Patent number: 11943987Abstract: A color conversion substrate and a display device are provided. The color conversion substrate includes a base substrate, a first color filter and a second color filter disposed on a surface of the base substrate, a first partition layer disposed between the first color filter and the second color filter, a second partition layer disposed on the first partition layer, a first wavelength conversion pattern disposed on the first color filter and a second wavelength conversion pattern disposed on the second color filter, wherein the first partition layer includes a first lower surface disposed on the first color filter and a second lower surface disposed on the second color filter.Type: GrantFiled: June 11, 2020Date of Patent: March 26, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gak Seok Lee, Byung Chul Kim, In Ok Kim, Jae Min Seong, In Seok Song, Keun Chan Oh, Ji Eun Jang, Chang Soon Jang, Sun Kyu Joo, Ha Lim Ji
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Publication number: 20240012067Abstract: Provided are a battery management system and a battery management method using the same. According to the present invention, it is possible to select high-risk battery cells that are highly likely to be out of an operating voltage range by applying a change amount according to SoH for each of the battery cells to each SoC for each of the battery cells, and calculate the representative SoH of the battery pack based on the selected high-risk battery cells, and then calculate the actual usable capacity of the battery pack.Type: ApplicationFiled: September 22, 2023Publication date: January 11, 2024Inventors: Doo Jin Jeong, Jeong Min Seo, Kyu Min Hwang, Byung Eun Lee
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Publication number: 20230408591Abstract: Provided is a battery management system and method for selecting at least one battery cell of a high-risk group and calculating a maximum current limit value for stably using a battery pack using the selected at least one battery cell of the high-risk group. According to the present invention, the battery cells of high-risk group may be selected and managed by calculating a maximum voltage change amount of a plurality of battery cells, and the battery pack may be stably used by calculating a maximum current limit value that prevents the battery cell from being out of an operating voltage range to have a maximum margin.Type: ApplicationFiled: August 25, 2023Publication date: December 21, 2023Inventors: Kyung Chul Ko, Jeong Min Seo, Byung Eun Lee
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Patent number: 11796601Abstract: Provided are a battery management system and a battery management method using the same. According to the present invention, it is possible to select high-risk battery cells that are highly likely to be out of an operating voltage range by applying a change amount according to SoH for each of the battery cells to each SoC for each of the battery cells, and calculate the representative SoH of the battery pack based on the selected high-risk battery cells, and then calculate the actual usable capacity of the battery pack.Type: GrantFiled: March 11, 2021Date of Patent: October 24, 2023Assignee: SK On Co., Ltd.Inventors: Doo Jin Jeong, Jeong Min Seo, Kyu Min Hwang, Byung Eun Lee
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Patent number: 11774508Abstract: Provided is a battery management system and method for selecting at least one battery cell of a high-risk group and calculating a maximum current limit value for stably using a battery pack using the selected at least one battery cell of the high-risk group. According to the present invention, the battery cells of high-risk group may be selected and managed by calculating a maximum voltage change amount of a plurality of battery cells, and the battery pack may be stably used by calculating a maximum current limit value that prevents the battery cell from being out of an operating voltage range to have a maximum margin.Type: GrantFiled: February 4, 2021Date of Patent: October 3, 2023Assignee: SK On Co., Ltd.Inventors: Kyung Chul Ko, Jeong Min Seo, Byung Eun Lee
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Publication number: 20230132102Abstract: A method for estimating a state of health (SOH) of a battery includes obtaining a state of charge (SOC)-open circuit voltage (OCV) lookup table according to a SOH of a battery module or battery pack, and storing the SOC-OCV lookup table in a memory, calculating, based on a diagnosis time and a current rate, a first SOC change amount when the diagnosis time and the current rate are input, calculating a first slope for each SOC section corresponding to the first SOC change amount according to the SOH in the SOC-OCV lookup table according to the SOH, and determining, based on the first slope, first sections having high diagnostic accuracy.Type: ApplicationFiled: October 21, 2022Publication date: April 27, 2023Inventors: Ye Kyu KIM, Byung Eun LEE, Hyung Keun LEE
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Patent number: 11563249Abstract: The present invention relates to a battery pack system. In the battery pack system including a multi-battery according to the present invention, replacement may be easily performed in a lower unit of the battery pack system, the battery pack system including a multi-battery may include the battery modules having various forms and performances and capable of being arranged so as to increase space efficiency of the battery pack system, the battery pack system including a multi-battery includes the battery modules having various forms and performances, such that an energy density of the battery pack system may be improved, and the battery pack system including a multi-battery may allow battery modules having various performances and outputs to maintain states of charge (SOCs) (%) in a uniform ratio by estimating the SOCs of the respective battery modules and re-scaling the SOCs according to a capacity criterion of a control unit.Type: GrantFiled: May 6, 2020Date of Patent: January 24, 2023Assignee: SK On Co., Ltd.Inventors: Kyu Min Hwang, Jeong Min Seo, Byung Eun Lee, Chae Yoon Lee
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Publication number: 20230011148Abstract: A battery monitoring system includes a data receiver configured to receive battery information data and vehicle information data from a data collecting device connected to a vehicle, a battery management score calculator configured to calculate, based on the battery information data and the vehicle information data, factors affecting battery degradation among a charging habit, a driving habit, and a parking habit of a user, calculate, based on the factors, a battery management score, and store the battery management score in a database, and an information transmitter configured to transmit the battery management score to a terminal.Type: ApplicationFiled: July 8, 2022Publication date: January 12, 2023Inventors: Da Eun JEONG, Tae Kyun KIM, Tae Hyung HEO, Sang Hoon KIM, Byung Eun LEE, Moon Goo JEONG
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Patent number: 11502527Abstract: Provided are a cell screening device for selecting battery cells of a high-risk group, and a cell screening method using the same. According to the present invention, the battery cells may be ordered in the order of high probability of being out of an upper limit value or a lower limit value of an operating voltage among a plurality of battery cells using state information calculated for each battery cell, thereby making it possible to select the battery cells of the high-risk group.Type: GrantFiled: January 19, 2021Date of Patent: November 15, 2022Assignee: SK Innovation Co., Ltd.Inventors: Jeong Min Seo, Byung Eun Lee, Kyu Min Hwang
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Patent number: 11460511Abstract: A battery management system is provided. According to an embodiment of the present disclosure, the battery management system for managing a battery pack including a plurality of battery modules may include a plurality of individual battery management units respectively corresponding to the plurality of battery modules and a management module configured to integrally manage the plurality of individual battery management units, wherein each of the individual battery management units includes a state-of-health (SOH) calculator to calculate SOH of each of the plurality of battery modules and a state-of-charge (SOC) calculator to calculate SOC of each of the plurality of battery modules, the management module manages a performance state of all of the plurality of battery modules on the basis of the SOH and SOC of each battery module and the SOC of each battery module is corrected by the SOH of each battery module.Type: GrantFiled: February 19, 2019Date of Patent: October 4, 2022Assignee: SK INNOVATION CO., LTD.Inventors: Eun Young Kim, Byung Eun Lee, Ha Chul Jeong, Young Lim Choi
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Patent number: 11428746Abstract: A battery management system is provided. According to an embodiment of the present disclosure, the battery management system for managing a battery pack including a plurality of battery modules may include a plurality of individual battery management units respectively corresponding to the plurality of battery modules and a management module configured to integrally manage the plurality of individual battery management units, wherein each of the individual battery management units includes a state-of-health (SOH) calculator to calculate SOH of each of the plurality of battery modules and a state-of-charge (SOC) calculator to calculate SOC of each of the plurality of battery modules, the management module manages a performance state of all of the plurality of battery modules on the basis of the SOH and SOC of each battery module and the SOC of each battery module is corrected by the SOH of each battery module.Type: GrantFiled: February 19, 2019Date of Patent: August 30, 2022Assignee: SK INNOVATION CO., LTD.Inventors: Eun Young Kim, Byung Eun Lee, Ha Chul Jeong, Young Lim Choi
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Publication number: 20210286018Abstract: Provided are a battery management system and a battery management method using the same. According to the present invention, it is possible to select high-risk battery cells that are highly likely to be out of an operating voltage range by applying a change amount according to SoH for each of the battery cells to each SoC for each of the battery cells, and calculate the representative SoH of the battery pack based on the selected high-risk battery cells, and then calculate the actual usable capacity of the battery pack.Type: ApplicationFiled: March 11, 2021Publication date: September 16, 2021Inventors: Doo Jin Jeong, Jeong Min Seo, Kyu Min Hwang, Byung Eun Lee
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Publication number: 20210247457Abstract: Provided is a battery management system and method for selecting at least one battery cell of a high-risk group and calculating a maximum current limit value for stably using a battery pack using the selected at least one battery cell of the high-risk group. According to the present invention, the battery cells of high-risk group may be selected and managed by calculating a maximum voltage change amount of a plurality of battery cells, and the battery pack may be stably used by calculating a maximum current limit value that prevents the battery cell from being out of an operating voltage range to have a maximum margin.Type: ApplicationFiled: February 4, 2021Publication date: August 12, 2021Inventors: Kyung Chul Ko, Jeong Min Seo, Byung Eun Lee
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Publication number: 20210226462Abstract: Provided are a cell screening device for selecting battery cells of a high-risk group, and a cell screening method using the same. According to the present invention, the battery cells may be ordered in the order of high probability of being out of an upper limit value or a lower limit value of an operating voltage among a plurality of battery cells using state information calculated for each battery cell, thereby making it possible to select the battery cells of the high-risk group.Type: ApplicationFiled: January 19, 2021Publication date: July 22, 2021Inventors: Jeong Min Seo, Byung Eun Lee, Kyu Min Hwang
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Publication number: 20200358059Abstract: The present invention relates to a battery pack system. In the battery pack system including a multi-battery according to the present invention, replacement may be easily performed in a lower unit of the battery pack system, the battery pack system including a multi-battery may include the battery modules having various forms and performances and capable of being arranged so as to increase space efficiency of the battery pack system, the battery pack system including a multi-battery includes the battery modules having various forms and performances, such that an energy density of the battery pack system may be improved, and the battery pack system including a multi-battery may allow battery modules having various performances and outputs to maintain states of charge (SOCs) (%) in a uniform ratio by estimating the SOCs of the respective battery modules and re-scaling the SOCs according to a capacity criterion of a control unit.Type: ApplicationFiled: May 6, 2020Publication date: November 12, 2020Inventors: Kyu Min Hwang, Jeong Min Seo, Byung Eun Lee, Chae Yoon Lee
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Publication number: 20190257891Abstract: A battery management system is provided. According to an embodiment of the present disclosure, the battery management system for managing a battery pack including a plurality of battery modules may include a plurality of individual battery management units respectively corresponding to the plurality of battery modules and a management module configured to integrally manage the plurality of individual battery management units, wherein each of the individual battery management units includes a state-of-health (SOH) calculator to calculate SOH of each of the plurality of battery modules and a state-of-charge (SOC) calculator to calculate SOC of each of the plurality of battery modules, the management module manages a performance state of all of the plurality of battery modules on the basis of the SOH and SOC of each battery module and the SOC of each battery module is corrected by the SOH of each battery module.Type: ApplicationFiled: February 19, 2019Publication date: August 22, 2019Inventors: Eun Young KIM, Byung Eun LEE, Ha Chul JEONG, Young Lim CHOI
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Patent number: 6958894Abstract: Disclosed is a relaying method for protecting a transformer by using a difference of current. A decision function, related to the rate of change of a primary current, a secondary current, or a differential current, is used for determining whether a detected abnormal current is due to the inrush or internal fault.Type: GrantFiled: May 17, 2001Date of Patent: October 25, 2005Inventors: Yong Cheol Kang, Sang Hee Kang, Byung Eun Lee, Jae Sung Yun
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Patent number: 6731481Abstract: The present invention relates to a relaying method using the ratio of induced voltages or the ratio of flux linkage increments. The protective relaying method for power transformers with one or more phases includes the first step of obtaining primary and secondary voltages and currents of the transformer; the second step of calculating induced voltages, induced voltage differences, ratio of primary and secondary induced voltages, or ratio of primary and secondary induced voltage differences from the currents and the voltages; the third step of calculating at least one predetermined decision parameter derived from at least one predetermined equation; the fourth step of deciding whether an internal winding fault occurs by comparing the decision parameter to the induced voltages, the induced voltage differences, the ratio of primary and secondary induced voltages, or the ratio of primary and secondary induced voltage differences.Type: GrantFiled: October 23, 2001Date of Patent: May 4, 2004Assignees: Xelpower Co., Ltd.Inventors: Yong Cheol Kang, Sang Hee Kang, Byung Eun Lee, Jae Sung Yun, Seung Hun Ok
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Publication number: 20040004794Abstract: Disclosed is a relaying method for protecting a transformer by using a difference of current. A decision function, related to the difference of a primary current, a secondary current, or a differential current is used for determining whether a detected abnormal current is due to the inrush or internal fault.Type: ApplicationFiled: January 17, 2003Publication date: January 8, 2004Inventors: Yong-Cheol Kang, Sang-Hee Kang, Byung Eun Lee, Jae-Sung Yun