Patents by Inventor Won-Kyung Kim
Won-Kyung Kim 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: 12282065Abstract: 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: GrantFiled: April 7, 2022Date of Patent: April 22, 2025Assignee: 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: 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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Publication number: 20240192278Abstract: A battery data management system according to an embodiment disclosed herein includes a communication device obtaining state data of a battery from a battery management system and transmitting the state data of the battery to an outside, a virtual private network (VPN) server receiving the state data of the battery from the communication device through a first network and transmitting the state data of the battery to the outside through a second network, a cloud server receiving the state data of the battery from the VPN server through the second network and transmitting the state data of the battery to the outside through a third network, and a management server managing the state data of the battery, received from the cloud server through the third network.Type: ApplicationFiled: August 26, 2022Publication date: June 13, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Young Chang JO, Jae Kwang JEON, Jeong Bin LEE, Won Kyung KIM
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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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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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Patent number: 10460852Abstract: The present invention relates to an electrode having a multilayer nanomesh structure using single-crystalline copper and a method for manufacturing same, the electrode comprising: a substrate; a single-crystalline copper electrode layer formed on the substrate and having a hive-shaped pattern with a nano-sized line width; and a metal oxide layer formed on the single-crystalline copper electrode layer, this providing an electrode having excellent optical transmittance, low electrical sheet resistance, and excellent mechanical stability. The present invention is technically characterized by an electrode having a multilayer nanomesh structure using single-crystalline copper, the electrode comprising: a substrate; a single-crystalline copper electrode layer formed on the substrate and having a hive-shaped pattern with a nano-sized line width; and a metal oxide layer formed on the single-crystalline copper electrode layer.Type: GrantFiled: January 9, 2015Date of Patent: October 29, 2019Assignee: PUSAN NATIONAL UNIVERSITY INDUSTRIAL-UNIVERSITY COOPERATION FOUNDATIONInventors: Se-young Jeong, Ji-young Kim, Won-kyung Kim
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Publication number: 20170186511Abstract: The present invention relates to an electrode having a multilayer nanomesh structure using single-crystalline copper and a method for manufacturing same, the electrode comprising: a substrate; a single-crystalline copper electrode layer formed on the substrate and having a hive-shaped pattern with a nano-sized line width; and a metal oxide layer formed on the single-crystalline copper electrode layer, this providing an electrode having excellent optical transmittance, low electrical sheet resistance, and excellent mechanical stability. The present invention is technically characterized by an electrode having a multilayer nanomesh structure using single-crystalline copper, the electrode comprising: a substrate; a single-crystalline copper electrode layer formed on the substrate and having a hive-shaped pattern with a nano-sized line width; and a metal oxide layer formed on the single-crystalline copper electrode layer.Type: ApplicationFiled: January 9, 2015Publication date: June 29, 2017Inventors: Se-young Jeong, Ji-young Kim, Won-kyung Kim
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Publication number: 20160220120Abstract: Provided are an optical imaging apparatus for multi-depth image and an imaging system having the same, where an optical lens of a sample stage of an optical imaging apparatus is used as a liquid lens, so that it is possible to acquire an optical image such as a photoacoustic image, an optical coherence tomography image, or a fluorescent image while finely and speedily changing a depth, and it is possible to acquire optical images having various depths by only user's simple control.Type: ApplicationFiled: February 2, 2016Publication date: August 4, 2016Inventors: Chul Hong KIM, Dong Sung KIM, Man Sik JEON, Chang Ho LEE, Won Kyung KIM
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Patent number: 8437493Abstract: An apparatus for mounting a speaker module to a portable terminal is provided. The speaker module is mounted to a casing frame of the terminal using a coupling part formed outside a housing of the speaker module, so as not to leave a space between the speaker module and the casing frame in a sound output direction of the speaker module. Therefore, better speaker performance can be achieved by raising the height of the speaker module of the slim portable terminal or increasing the space for the back volume.Type: GrantFiled: July 29, 2008Date of Patent: May 7, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Kyoung-Min Nho, Young-Hoon Kim, Won-Kyung Kim, Hyoung-Il Song, Chi-Sun Kim
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Publication number: 20090034777Abstract: An apparatus for mounting a speaker module to a portable terminal is provided. The speaker module is mounted to a casing frame of the terminal using a coupling part formed outside a housing of the speaker module, so as not to leave a space between the speaker module and the casing frame in a sound output direction of the speaker module. Therefore, better speaker performance can be achieved by raising the height of the speaker module of the slim portable terminal or increasing the space for the back volume.Type: ApplicationFiled: July 29, 2008Publication date: February 5, 2009Applicant: SAMSUNG ELECTRONICS CO. LTD.Inventors: Kyoung-Min NHO, Young-Hoon KIM, Won-Kyung KIM, Hyoung-Il SONG, Chi-Sun KIM
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Patent number: 6995595Abstract: A direct conversion receiver having a DC offset eliminating function that eliminates a DC offset component in which an oscillator generates a local frequency signal, A first phase shifter shifts a phase of the local frequency signal from the oscillator by 90°, a first frequency mixer mixes the received radio frequency signal and the local frequency signal from the oscillator, a first low pass filter low-pass filters an output signal of the first frequency mixer, a second phase shifter shifts a phase of the received radio frequency signal by 90°, a second frequency mixer mixes output signals of the first and second phase shifters, a second low pass filter low-pass filters an output signal of the second frequency mixer, a subtracter subtracts an output signal of the second low pass filter, and a DC offset component generated by a direct conversion receiver is eliminated. Accordingly, the receiver prevents a dynamic range of the direct conversion receiver to be narrowed in order to increase a resolution thereof.Type: GrantFiled: March 24, 2003Date of Patent: February 7, 2006Assignee: Samsung Electronics Co., Ltd.Inventor: Won-Kyung Kim
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Publication number: 20040021494Abstract: A direct conversion receiver having a DC offset eliminating function that eliminates a DC offset component in which an oscillator generates a local frequency signal, A first phase shifter shifts a phase of the local frequency signal from the oscillator by 90°, a first frequency mixer mixes the received radio frequency signal and the local frequency signal from the oscillator, a first low pass filter low-pass filters an output signal of the first frequency mixer, a second phase shifter shifts a phase of the received radio frequency signal by 90°, a second frequency mixer mixes output signals of the first and second phase shifters, a second low pass filter low-pass filters an output signal of the second frequency mixer, a subtracter subtracts an output signal of the second low pass filter, and a DC offset component generated by a direct conversion receiver is eliminated.Type: ApplicationFiled: March 24, 2003Publication date: February 5, 2004Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Won-Kyung Kim
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Publication number: 20010046881Abstract: Disclosed is an RF receiver for receiving an RF signal of a prescribed reception band and converting the received RF signal to an IF signal of a selected reception channel in a mobile telephone.Type: ApplicationFiled: April 24, 2001Publication date: November 29, 2001Applicant: Samsung Electronics Co., Ltd.Inventor: Won-Kyung Kim