Patents by Inventor Seon-mi Lee
Seon-mi 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: 20240148871Abstract: The present invention relates to a hydrogel composition comprising a chloroplast, a chloroplast transit peptide, alginate, and a pancreatic cell, and can supply oxygen to a cell or a tissue and control carbon dioxide and exhibits excellent preventive or therapeutic effects on diseases such as diabetes, etc., and thus may be utilized in the tissue engineering field such as organ transplant.Type: ApplicationFiled: March 18, 2022Publication date: May 9, 2024Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANGInventors: Dong Yun LEE, Seon Mi JANG, Chae Rim YOO, Ji Yun Kim
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Publication number: 20240106362Abstract: A motor driving apparatus includes a motor having a plurality of windings, a first inverter which is connected to a first end of each of the plurality of windings and drives the motor, a second inverter which is connected to a second end of each of the plurality of windings and selectively drives the motor according to a motor drive mode, and a controller which generates a current command for the motor according to a torque command and a voltage utilization rate control value, determines whether to perform linearization control for the current command based on a present counter magnetic flux of the motor and a switching reference counter magnetic flux for the motor drive mode, and adjusts the voltage utilization rate control value such that a value of the current command is linearized in a section in which the linearization control is performed.Type: ApplicationFiled: April 14, 2023Publication date: March 28, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Ho Rim CHOI, Seong Min KIM, Seon Mi LEE, Tae Il YOO, Seung Hyeon BIN
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Patent number: 11938827Abstract: The present disclosure relates to a system for controlling a motor of a vehicle for increasing control accuracy of the motor for driving the vehicle, and an object of the present disclosure is to provide a system for controlling a motor of a vehicle, which may accurately perform a motor control even when a battery voltage (i.e., motor voltage) applied to the motor upon the driving control of the motor is changed.Type: GrantFiled: July 13, 2022Date of Patent: March 26, 2024Assignees: Hyundai Motor Company, Kia CorporationInventors: Ho Sun Jang, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Tae Il Yoo, Seung Hyeon Bin
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Patent number: 11921309Abstract: A polarizing plate and an optical display including the same are provided. A polarizing plate includes: a polarizer; and a first protective layer and a second protective layer sequentially stacked on a surface of the polarizer, and the second protective layer includes a positive C retardation layer, the positive C retardation layer having a thickness of about 10 ?m or less, an index of refraction of about 1.50 to about 1.55, and a glass transition temperature (Tg) of about 150° C. to about 250° C.Type: GrantFiled: September 17, 2021Date of Patent: March 5, 2024Assignee: Samsung SDI Co., Ltd.Inventors: A Ra Jo, Beom Deok Lee, Seon Gyeong Jeong, Seong Hoon Lee, Seung Mi Shin, Wan Taek Hong
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Patent number: 11855568Abstract: A motor driving device for driving a motor having multiple windings corresponding to multiple phases, respectively, may include: a first inverter including multiple first switching elements and connected to a first end of each of the multiple windings; a second inverter including multiple second switching elements and connected a second end of each of the multiple windings; a third switching element configured to connect/disconnect points, at which the number of turns of each of the multiple windings is partitioned based on a predetermined ratio, to/from each other; and a controller configured to control, based on the required output of the motor, an on/off state of the first switching elements to the third switching element.Type: GrantFiled: July 19, 2022Date of Patent: December 26, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Seung Hyeon Bin, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Sang Woo Park, Tae Il Yoo, Ho Sun Jang
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Patent number: 11784590Abstract: An automotive motor driving apparatus includes: a first motor including a plurality of wires; and a second motor including a plurality of wires including first ends connected to each other. The motor driving apparatus includes: a first inverter connected to first ends of the wires of the motor and including a plurality of first switching devices; a second inverter connected to second ends of the wires of the first motor and including a plurality of second switching devices; a third inverter connected to second ends of the wires of the second motor; and a controller configured to drive the second motor by performing pulse width control on the third switching devices when a problem occurs in the second inverter while driving the first motor in an open end winding mode in which pulse width modulation control is performed on both of the first switching devices and the second switching devices.Type: GrantFiled: March 17, 2022Date of Patent: October 10, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Seung Hyeon Bin, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Sang Woo Park, Tae Il Yoo, Ho Sun Jang
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Publication number: 20230223888Abstract: A motor driving device for driving a motor having multiple windings corresponding to multiple phases, respectively, may include: a first inverter including multiple first switching elements and connected to a first end of each of the multiple windings; a second inverter including multiple second switching elements and connected a second end of each of the multiple windings; a third switching element configured to connect/disconnect points, at which the number of turns of each of the multiple windings is partitioned based on a predetermined ratio, to/from each other; and a controller configured to control, based on the required output of the motor, an on/off state of the first switching elements to the third switching element.Type: ApplicationFiled: July 19, 2022Publication date: July 13, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Seung Hyeon BIN, Han Hee PARK, Seong Min KIM, Ho Rim CHOI, Seon Mi LEE, Sang Woo PARK, Tae Il YOO, Ho Sun JANG
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Publication number: 20230150373Abstract: A motor driving system and a method of controlling same can protect a user by converting a driving mode into a dual inverter driving mode so that a vehicle can keep being driven when a transfer switching unit breaks down while the motor is operated in a Y-connection single inverter driving mode.Type: ApplicationFiled: July 20, 2022Publication date: May 18, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Seung Hyeon BIN, Byung Oh TAK, Seon Mi LEE, Sang Woo Park
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Patent number: 11563400Abstract: An iron loss reduction control apparatus for motor permanent magnet overtemperature protection is provided. The apparatus includes: a permanent magnet temperature prediction unit configured to predict a temperature of a permanent magnet in a motor based on a driving state of the motor; a first iron loss reduction unit configured to adjust a switching frequency of a switching element in an inverter providing a driving power to the motor based on the temperature of the permanent magnet; and a second iron loss reduction unit configured to adjust a current command of the motor based on the temperature of the permanent magnet.Type: GrantFiled: July 29, 2021Date of Patent: January 24, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Tae Il Yoo, Seong Min Kim, Seon Mi Lee, Ho Sun Jang, Ho Rim Choi, Han Hee Park, Seung Hyeon Bin
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Publication number: 20230017062Abstract: The present disclosure relates to a system for controlling a motor of a vehicle for increasing control accuracy of the motor for driving the vehicle, and an object of the present disclosure is to provide a system for controlling a motor of a vehicle, which may accurately perform a motor control even when a battery voltage (i.e., motor voltage) applied to the motor upon the driving control of the motor is changed.Type: ApplicationFiled: July 13, 2022Publication date: January 19, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Ho Sun Jang, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Tae Il Yoo, Seung Hyeon Bin
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Patent number: 11545923Abstract: A motor driving apparatus may include a first inverter circuit including a plurality of first switching devices and connected to a first end portion of each of a plurality of windings in a motor corresponding to a plurality of phases of the motor, respectively, a second inverter circuit including a plurality of second switching devices and connected to a second end portion of each of the plurality of windings, and a plurality of selection switching devices having first end portions connected to a node to which the plurality of windings and the plurality of second switching devices are connected and second end portions connected to each other.Type: GrantFiled: July 22, 2021Date of Patent: January 3, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Ho Rim Choi, Han Hee Park, Seong Min Kim, Seon Mi Lee, Ho Sun Jang, Tae Il Yoo, Seung Hyeon Bin
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Publication number: 20220388875Abstract: A water treatment device includes: an electrode structure installed in a storage space in which water is stored or in a flow space in which water flows so as to cause an underwater plasma discharge; and a gas supply module for supplying a gas to the storage space or the flow space such that bubbles are supplied underwater, as a discharge gas, to the electrode structure, wherein the electrode structure includes: a first electrode; a second electrode disposed opposite the first electrode; and a dielectric member disposed in a space between the first electrode and the second electrode.Type: ApplicationFiled: June 2, 2020Publication date: December 8, 2022Applicant: Pure Platech Co., Ltd.Inventors: Kyoung Doo KANG, Kyoung Jun KO, Min Jae KIM, Seon Mi LEE
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Publication number: 20220393622Abstract: An automotive motor driving apparatus includes: a first motor including a plurality of wires; and a second motor including a plurality of wires including first ends connected to each other. The motor driving apparatus includes: a first inverter connected to first ends of the wires of the motor and including a plurality of first switching devices; a second inverter connected to second ends of the wires of the first motor and including a plurality of second switching devices; a third inverter connected to second ends of the wires of the second motor; and a controller configured to drive the second motor by performing pulse width control on the third switching devices when a problem occurs in the second inverter while driving the first motor in an open end winding mode in which pulse width modulation control is performed on both of the first switching devices and the second switching devices.Type: ApplicationFiled: March 17, 2022Publication date: December 8, 2022Applicants: Hyundai Motor Company, Kia CorporationInventors: Seung Hyeon BIN, Han Hee PARK, Seong Min KIM, Ho Rim CHOI, Seon Mi LEE, Sang Woo PARK, Tae Il YOO, Ho Sun JANG
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Publication number: 20220173687Abstract: A motor driving apparatus may include a first inverter circuit including a plurality of first switching devices and connected to a first end portion of each of a plurality of windings in a motor corresponding to a plurality of phases of the motor, respectively, a second inverter circuit including a plurality of second switching devices and connected to a second end portion of each of the plurality of windings, and a plurality of selection switching devices having first end portions connected to a node to which the plurality of windings and the plurality of second switching devices are connected and second end portions connected to each other.Type: ApplicationFiled: July 22, 2021Publication date: June 2, 2022Inventors: Ho Rim CHOI, Han Hee PARK, Seong Min KIM, Seon Mi LEE, Ho Sun JANG, Tae Il YOO, Seung Hyeon BIN
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Publication number: 20220123687Abstract: An iron loss reduction control apparatus for motor permanent magnet overtemperature protection is provided. The apparatus includes: a permanent magnet temperature prediction unit configured to predict a temperature of a permanent magnet in a motor based on a driving state of the motor; a first iron loss reduction unit configured to adjust a switching frequency of a switching element in an inverter providing a driving power to the motor based on the temperature of the permanent magnet; and a second iron loss reduction unit configured to adjust a current command of the motor based on the temperature of the permanent magnet.Type: ApplicationFiled: July 29, 2021Publication date: April 21, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Tae Il YOO, Seong Min KIM, Seon Mi LEE, Ho Sun JANG, Ho Rim CHOI, Han Hee PARK, Seung Hyeon BIN
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Patent number: 11193970Abstract: Disclosed are a test chamber and a test apparatus having the same. The test chamber includes a test compartment configured to support a plurality of test boards, each being configured to secure a test object. The test chamber applies a test signal to the test object. The test chamber includes an inlet side and a discharge side, and a supply duct vertically extending along a height of the test compartment. The supply duct supplies the inlet side of the test compartment with the test fluid. The test chamber includes a fluid controller to uniformly control a distribution of a test fluid in the supply duct and uniformly supply the test compartment with the test fluid. The disclosed test chamber and test apparatus provide a uniform test temperature and thereby improve a test reliability of a test object such as a semiconductor or semiconductor package.Type: GrantFiled: September 5, 2019Date of Patent: December 7, 2021Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Seon-Mi Lee, Sung Jin Kim, Ja-Hwan Ku, Jae-Hyun Kim, Gilho Lee, Dahm Yu, Jonghyun Lim
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Publication number: 20200271715Abstract: Disclosed are a test chamber and a test apparatus having the same. The test chamber includes a test compartment configured to support a plurality of test boards, each being configured to secure a test object. The test chamber applies a test signal to the test object. The test chamber includes an inlet side and a discharge side, and a supply duct vertically extending along a height of the test compartment. The supply duct supplies the inlet side of the test compartment with the test fluid. The test chamber includes a fluid controller to uniformly control a distribution of a test fluid in the supply duct and uniformly supply the test compartment with the test fluid. The disclosed test chamber and test apparatus provide a uniform test temperature and thereby improve a test reliability of a test object such as a semiconductor or semiconductor package.Type: ApplicationFiled: September 5, 2019Publication date: August 27, 2020Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Seon-Mi LEE, Sung Jin KIM, Ja-Hwan KU, Jae-Hyun KIM, Gilho LEE, Dahm YU, Jonghyun LIM
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Patent number: 9666120Abstract: An organic light emitting display device including an emission unit and a pixel circuit unit. The emission unit includes an organic light emitting diode. The pixel circuit unit includes a driving transistor, at least one or more switching transistors, a capacitor, a light blocking unit, and an opening in which the light blocking layer is not formed. The light blocking unit includes a light blocking layer which blocks light input to the pixel circuit unit. The pixel circuit unit is configured to drive the emission unit and selectively block the light input to the pixel circuit unit.Type: GrantFiled: December 3, 2014Date of Patent: May 30, 2017Assignee: LG DISPLAY CO., LTD.Inventors: Seon Mi Lee, Woo Jin Nam
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Patent number: 9449552Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a panel in which a plurality of pixels are respectively formed in intersection areas between a plurality of gate lines and a plurality of data lines formed in an active area, a pixel circuit is included in each of the pixels, and a plurality of power lines are formed for supplying power to drive the pixel circuit; a gate driving IC configured to supply a scan signal to the gate lines, a power supply configured to supply the power to the power lines, a detection unit configured to detect a panel abnormality in the active area by using a sensing signal collected through a sensing line electrically connected to a corresponding gate line, and a controller configured to control driving of the power supply according to the detection result of the detection unit.Type: GrantFiled: December 17, 2013Date of Patent: September 20, 2016Assignee: LG Display Co., Ltd.Inventors: Ji Eun Lee, Joong Sun Yoon, Seon Mi Lee, Boeon Byeon
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Publication number: 20150187260Abstract: An organic light emitting display device including an emission unit and a pixel circuit unit. The emission unit includes an organic light emitting diode. The pixel circuit unit includes a driving transistor, at least one or more switching transistors, a capacitor, a light blocking unit, and an opening in which the light blocking layer is not formed. The light blocking unit includes a light blocking layer which blocks light input to the pixel circuit unit. The pixel circuit unit is configured to drive the emission unit and selectively block the light input to the pixel circuit unit.Type: ApplicationFiled: December 3, 2014Publication date: July 2, 2015Applicant: LG Display Co., Ltd.Inventors: Seon Mi LEE, Woo Jin NAM