Patents by Inventor Sung Im Lee
Sung Im 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: 11932618Abstract: Disclosed are novel compounds of Chemical Formula 1, optical isomers of the compounds, and pharmaceutically acceptable salts of the compounds or the optical isomers. The compounds, isomers, and salts exhibit excellent activity as GLP-1 receptor agonists. In particular, they, as GLP-1 receptor agonists, exhibit excellent glucose tolerance, thus having a great potential to be used as therapeutic agents for metabolic diseases. Moreover, they exhibit excellent pharmacological safety for cardiovascular systems.Type: GrantFiled: March 13, 2023Date of Patent: March 19, 2024Assignee: ILDONG PHARMACEUTICAL CO., LTD.Inventors: Hong Chul Yoon, Kyung Mi An, Myong Jae Lee, Jin Hee Lee, Jeong-geun Kim, A-rang Im, Woo Jin Jeon, Jin Ah Jeong, Jaeho Heo, Changhee Hong, Kyeojin Kim, Jung-Eun Park, Te-ik Sohn, Changmok Oh, Da Hae Hong, Sung Wook Kwon, Jung Ho Kim, Jae Eui Shin, Yeongran Yoo, Min Whan Chang, Eun Hye Jang, In-gyu Je, Ji Hye Choi, Gunhee Kim, Yearin Jun
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Patent number: 8941263Abstract: An energy storage system and a method of controlling the energy storage system are disclosed. The energy storage system includes an integrated controller configured to determine a functional state of a power converting unit, a bidirectional converter, and a bidirectional inverter based on conditions of the power generation system, the battery, and the load.Type: GrantFiled: January 12, 2011Date of Patent: January 27, 2015Assignee: Samsung SDI Co., Ltd.Inventor: Sung-Im Lee
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Patent number: 8938323Abstract: A method of controlling a power storage system for supplying power to a load from a power generation system, a battery, and a grid includes: when power failure occurs in the grid, determining whether duration of the power failure is more than a standard duration; if the duration of the power failure is more than the standard duration, determining a state of charge of the battery; and when the power failure of the grid has ended, if the duration of the power failure is less than the standard duration or if the state of charge of the battery is equal or more than a standard value, performing a first power failure returning mode; and if the charging condition of the battery is less than the standard value, performing a second power failure returning mode. Accordingly, the power storage system performs a stable operation and prevents lifespan shortening of the battery.Type: GrantFiled: December 28, 2010Date of Patent: January 20, 2015Assignee: Samsung SDI Co., Ltd.Inventor: Sung-Im Lee
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Patent number: 8854004Abstract: An energy storage system and a controlling method thereof are provided. Accordingly, an operation mode of the energy storage system is stably changed. The energy storage system includes: a battery; an inverter for receiving a first power from an external source and generating a second power; and a converter coupled between the battery and both the external source and the inverter. The converter is configured to enter an off mode between a charge mode for charging the battery and a discharge mode for discharging the battery.Type: GrantFiled: April 27, 2011Date of Patent: October 7, 2014Assignee: Samsung SDI Co., Ltd.Inventor: Sung-Im Lee
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Patent number: 8716892Abstract: An energy storage system and a method of controlling the energy storage system, the energy storage system including a power converting unit for converting a voltage output from the power generating system into a direct current (DC) link voltage, a bidirectional converter enabled to perform mutual conversion between an output voltage of the battery and the DC link voltage, a DC link unit for constantly maintaining a level of the DC link voltage, a bidirectional inverter for converting the DC link voltage into an alternating current (AC) voltage appropriate for the grid, and for converting an AC voltage of the grid into the DC link voltage, and an integrated controller for controlling the power converting unit, the bidirectional converter, and the bidirectional inverter, and for controlling operation modes of the energy storage system. In particular, the integrated controller may control operation modes in accordance with the DC link voltage.Type: GrantFiled: August 4, 2010Date of Patent: May 6, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Byeong-Seon Min, Sung-Im Lee
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Publication number: 20120176088Abstract: An energy storage system and a controlling method thereof are provided. Accordingly, an operation mode of the energy storage system is stably changed. The energy storage system includes: a battery; an inverter for receiving a first power from an external source and generating a second power; and a converter coupled between the battery and both the external source and the inverter. The converter is configured to enter an off mode between a charge mode for charging the battery and a discharge mode for discharging the battery.Type: ApplicationFiled: April 27, 2011Publication date: July 12, 2012Inventor: Sung-Im Lee
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Publication number: 20110291479Abstract: An energy storage system and a method of controlling the energy storage system are disclosed. The energy storage system includes an integrated controller configured to determine a functional state of a power converting unit, a bidirectional converter, and a bidirectional inverter based on conditions of the power generation system, the battery, and the load.Type: ApplicationFiled: January 12, 2011Publication date: December 1, 2011Applicant: Samsung SDI Co., Ltd.Inventor: Sung-Im LEE
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Patent number: 8054245Abstract: A plasma display apparatus and a method of driving the plasma display apparatus are provided. A maintenance period of a sustain signal changes depending on a temperature of a plasma display panel or an ambient temperature of the plasma display panel.Type: GrantFiled: June 12, 2006Date of Patent: November 8, 2011Assignee: LG Electronics Inc.Inventors: Won Jae Kim, Sung Im Lee
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Patent number: 8044883Abstract: A method of driving a plasma display apparatus is provided. The method of driving the plasma display apparatus includes applying a first pulse to a first electrode, applying a second pulse to a second electrode after the application of the first pulse, and applying a falling ramp pulse to the first electrode after the application of the second pulse.Type: GrantFiled: March 21, 2006Date of Patent: October 25, 2011Assignee: LG Electronics Inc.Inventors: Kyoung Jin Jung, Ki Duck Cho, Sung Im Lee, Min Soo Kim
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Publication number: 20110215649Abstract: An energy storage system and a method of controlling the energy storage system, the energy storage system including a power converting unit for converting a voltage output from the power generating system into a direct current (DC) link voltage, a bidirectional converter enabled to perform mutual conversion between an output voltage of the battery and the DC link voltage, a DC link unit for constantly maintaining a level of the DC link voltage, a bidirectional inverter for converting the DC link voltage into an alternating current (AC) voltage appropriate for the grid, and for converting an AC voltage of the grid into the DC link voltage, and an integrated controller for controlling the power converting unit, the bidirectional converter, and the bidirectional inverter, and for controlling operation modes of the energy storage system. In particular, the integrated controller may control operation modes in accordance with the DC link voltage.Type: ApplicationFiled: August 4, 2010Publication date: September 8, 2011Inventors: Byeong-Seon Min, Sung-Im Lee
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Publication number: 20110208370Abstract: A method of controlling a power storage system for supplying power to a load from a power generation system, a battery, and a grid includes: when power failure occurs in the grid, determining whether duration of the power failure is more than a standard duration; if the duration of the power failure is more than the standard duration, determining a state of charge of the battery; and when the power failure of the grid has ended, if the duration of the power failure is less than the standard duration or if the state of charge of the battery is equal or more than a standard value, performing a first power failure returning mode; and if the charging condition of the battery is less than the standard value, performing a second power failure returning mode. Accordingly, the power storage system performs a stable operation and prevents lifespan shortening of the battery.Type: ApplicationFiled: December 28, 2010Publication date: August 25, 2011Inventor: Sung-Im Lee
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Publication number: 20110175565Abstract: An energy storage system that prevents overshoot or undershoot at a node that transfers power when an operational mode of the energy storage system is converted or when a state of a power consuming element is changed, and a method of controlling the energy storage system.Type: ApplicationFiled: July 29, 2010Publication date: July 21, 2011Applicant: SAMSUNG SDI CO., LTD.Inventor: Sung-Im LEE
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Publication number: 20110140520Abstract: A grid-connected energy storage system and a method of controlling the energy storage system. In the energy storage system, a normal operation of the energy storage system and the UPS function due to electrical failure may be stably performed even if electrical failure occurs. The energy storage system includes: a maximum power point tracking (MPPT) converter outputting converted power to a first node; a battery storing power; a bi-directional inverter converting power and outputting the converted power to the load, the grid or the first node; a bi-directional converter converting and storing power in the battery and outputting the power stored in the battery to the first node; and an integrated controller controlling the MPPT converter, the bi-directional inverter and the bi-directional converter.Type: ApplicationFiled: August 11, 2010Publication date: June 16, 2011Inventor: Sung-Im Lee
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Patent number: 7920104Abstract: Provided is a plasma display apparatus having a plasma display panel constituted of a plurality of discharge cells, and a driver for driving the panel. The apparatus includes a scan IC (integrated circuit) having a first switch turning on to apply a first signal to the panel, and a second switch turning on to apply a second signal to the panel, wherein, when the first signal applied to the panel changes into the second signal, the first and second switches are floated between an application period of the first signal and an application period of the second signal.Type: GrantFiled: January 12, 2007Date of Patent: April 5, 2011Assignee: LG Electronics Inc.Inventors: Won Jae Kim, Won Soon Kim, Sung Im Lee, Choon Sub Kim
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Publication number: 20100134481Abstract: In a plasma display device, a first driving method or a second driving method is selected according to a video signal, and the plasma display device is driven according to the selected driving method. The first driving method includes selecting first on cells from among a plurality of discharge cells in an address period of a first subfield of a plurality of subfields, and selecting second on cells in an address period of each of a plurality of second subfields from among the plurality of discharge cells other than discharge cells selected as on cells in preceding subfields. The second driving method includes initializing the plurality of discharge cells as off cells in a reset period of each of the plurality of subfields, and selecting on cells from among the plurality of discharge cells in an address period of each of the plurality of subfields following the corresponding reset period.Type: ApplicationFiled: November 20, 2009Publication date: June 3, 2010Inventors: Sung-Im Lee, Hak-Cheol Yang
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Patent number: 7701416Abstract: The present invention relates to a plasma display apparatus, and more particularly, to a plasma display apparatus and driving method thereof, wherein a sustain waveform can be improved. According to the present invention, the plasma display apparatus includes a plasma display panel comprising a plurality of sustain electrode pairs wherein each of the sustain electrode pairs has a scan electrode and a sustain electrode, and a sustain waveform controller for controlling a rising time or a falling time of sustain waveforms supplied to at least one of the sustain electrode pairs according to a temperature of the plasma display panel. The sustain waveform controller controls a time corresponding to a time point at which a sustain discharge is generated, of the rising time and the falling time. The present invention improves a plasma display apparatus and driving method thereof. Accordingly, there is an effect in that erroneous discharge depending on a temperature of a plasma display panel can be prevented.Type: GrantFiled: January 6, 2006Date of Patent: April 20, 2010Assignee: LG Electronics Inc.Inventors: Won Jae Kim, Kyoung Jin Jung, Sung Im Lee
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Publication number: 20100045658Abstract: A plasma display and method of driving the display are disclosed. To form wall charges at each electrode such that the sustain discharge is generated, a positive voltage is applied to a plurality of sustain electrodes after a scan pulse is applied to the scan electrodes in an address period and before the first sustain pulse is applied to the plurality of scan electrodes in a sustain period.Type: ApplicationFiled: August 20, 2009Publication date: February 25, 2010Applicant: Samsung SDI Co., Ltd.Inventor: Sung-Im Lee
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Patent number: 7602355Abstract: The present invention relates to a plasma display panel, and more particularly, to a plasma display apparatus and driving method thereof, in which power consumption can be reduced and contrast can be improved, so that a high contrast image can be displayed. The plasma display apparatus according to the present invention comprises a scan electrode, a sustain electrode, and a controller for applying a rising waveform and a falling waveform to the scan electrode in a reset period of a first subfield of a frame and applying the falling waveform to the scan electrode when a first time elapses, after a first sustain voltage is applied to the scan electrode during a sustain period. The sustain electrode is applied with a second sustain voltage when a second time is elapsed, after the first sustain voltage is applied.Type: GrantFiled: November 30, 2005Date of Patent: October 13, 2009Assignee: LG Electronics Inc.Inventors: Sung Im Lee, Ki-Duck Cho, Min Soo Kim, Kyoung Jin Jung
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Publication number: 20070268284Abstract: Provided is a plasma display apparatus having a plasma display panel constituted of a plurality of discharge cells, and a driver for driving the panel. The apparatus includes a scan IC (integrated circuit) having a first switch turning on to apply a first signal to the panel, and a second switch turning on to apply a second signal to the panel, wherein, when the first signal applied to the panel changes into the second signal, the first and second switches are floated between an application period of the first signal and an application period of the second signal.Type: ApplicationFiled: January 12, 2007Publication date: November 22, 2007Inventors: Won Jae Kim, Won Soon Kim, Sung Im Lee, Choon Sub Kim
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Publication number: 20060279486Abstract: A plasma display apparatus and a method of driving the plasma display apparatus are provided. A maintenance period of a sustain signal changes depending on a temperature of a plasma display panel or an ambient temperature of the plasma display panel.Type: ApplicationFiled: June 12, 2006Publication date: December 14, 2006Inventors: Won Jae Kim, Sung Im Lee