Patents by Inventor Ki Jong Lee
Ki Jong 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: 11980063Abstract: A display device includes a substrate including a display area and a non-display area adjacent to the display area. The non-display area includes a blocking region. An organic layer is disposed on the substrate. An emission layer is disposed in the display area of the substrate. An auxiliary pattern is disposed in the blocking region of the non-display area of the substrate. A thin film encapsulation layer is disposed on the substrate and overlaps the emission layer and the blocking region. The organic layer has a groove penetrating an entire thickness of the organic layer in the blocking region. The auxiliary pattern overlaps the groove. The auxiliary pattern includes a same material as a gate electrode disposed in the display area of the substrate.Type: GrantFiled: April 27, 2021Date of Patent: May 7, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki Hoon Kim, Deuk Jong Kim, Jae Hak Lee
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Publication number: 20240104195Abstract: Disclosed herein are an apparatus and method for updating an Internet-based malware detection engine using virtual machine scaling. The method may include creating a scaling group and an update group set based on a first virtual machine image, creating a second virtual machine image for a running virtual machine in response to occurrence of a snapshot event in the virtual update group run based on the first virtual machine image, modifying the scale-out image of the scaling group to the second virtual machine image, updating the scaling group by triggering a scale-out event and a scale-in event in the scaling group in response to occurrence of an update event, and modifying the scale-in image of the scaling group to the second virtual machine image.Type: ApplicationFiled: June 15, 2023Publication date: March 28, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sang-Min LEE, Ki-Jong KOO, Jung-Tae KIM, Ji-Hyeon SONG, Jong-Hyun KIM, Dae-Sung MOON
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Patent number: 11936318Abstract: Charging system and method using a motor driving system are proposed. The charging system includes a battery, an inverter to which D.C. power stored in the battery is applied, including a plurality of legs each including two switching elements, a motor including a plurality of coils of which first ends are respectively connected to connection nodes of the switching elements of each of the plurality of legs, and second ends are connected to each other to form a neutral point, and an inverter driving part configured to control switching of the switching elements, so that switching speeds of the switching elements are different for each mode of a motor driving mode and a charging mode so as to change magnitude of charging voltage supplied to the neutral point of the motor and to output the charging voltage to the battery.Type: GrantFiled: June 1, 2022Date of Patent: March 19, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Ji Woong Jang, Sang Cheol Shin, Yoo Jong Lee, Ki Jong Lee, Ho Tae Chun
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Patent number: 11913932Abstract: An apparatus for measuring a concentration of a target gas includes: a gas sensor including a sensing layer having an electric resistance that changes by an oxidation reaction or a reduction reaction between gas molecules and the sensing layer; and a processor configured to, in response to the target gas being introduced along with air into the gas sensor, monitor a change of the electric resistance of the sensing layer and determine the concentration of the target gas by analyzing a shape of the change of the electric resistance.Type: GrantFiled: March 26, 2020Date of Patent: February 27, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won Jong Jung, Kak Namkoong, Yeol Ho Lee, Joon Hyung Lee, Ki Young Chang
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Publication number: 20230412112Abstract: A motor driving apparatus includes an inverter that includes a switching element connected between either terminal of a battery and a thermistor insulated from the switching element and that drives a motor through the switching element, a resistor connected between a sensing node to which one end of the thermistor is connected and a terminal of a low source voltage, and a motor controller configured for controlling a relay connected between the battery and the switching element based on a voltage of the sensing node.Type: ApplicationFiled: November 11, 2022Publication date: December 21, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Ji Woong JANG, Sang Cheol SHIN, Yoo Jong LEE, Dong Hoon PARK, Ki Jong LEE, Ho Tae CHUN
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Patent number: 11772505Abstract: A charging system using a motor driving system includes: a battery, an inverter having connection terminals including a positive terminal and a negative terminal, and a plurality of motor connection terminals, and a plurality of switching elements forming an electrical connection relationship between the DC connection terminals and the connection terminals; a motor including a plurality of coils that has first ends respectively connected to the motor connection terminals, and second ends connected to each other to form a neutral point; a plurality of switches to form an electrical connection between the battery and the inverter, and to form an electrical connection between the battery and the neutral point, and to connect or disconnect a charging current to the DC connection terminals; and a controller controlling operation of the switches and the inverter based on a magnitude of a charging voltage.Type: GrantFiled: March 12, 2020Date of Patent: October 3, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seong Min Lee, Sang Cheol Shin, Young Seul Lim, Ki Jong Lee, Je Hwan Lee
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Patent number: 11699951Abstract: A DC-DC converter includes: a first capacitor; a first switching element, a second switching element, a third switching element, and a fourth switching element sequentially connected to one another in series between both ends of the first capacitor; a second capacitor having both ends connected at a connection node of the first switching element and the second switching element and a connection node of the third switching element and the fourth switching element, respectively; and a controller configured to determine whether an overvoltage is applied to both ends of the first to fourth switching elements, respectively, based on a first sensed voltage obtained by sensing a voltage applied to the first capacitor and a second sensed voltage obtained by sensing a voltage applied to the second capacitor.Type: GrantFiled: August 23, 2021Date of Patent: July 11, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Yoo Jong Lee, Ji Woong Jang, Ki Jong Lee, Sang Cheol Shin
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Publication number: 20230006596Abstract: Charging system and method using a motor driving system are proposed. The charging system includes a battery, an inverter to which D.C. power stored in the battery is applied, including a plurality of legs each including two switching elements, a motor including a plurality of coils of which first ends are respectively connected to connection nodes of the switching elements of each of the plurality of legs, and second ends are connected to each other to form a neutral point, and an inverter driving part configured to control switching of the switching elements, so that switching speeds of the switching elements are different for each mode of a motor driving mode and a charging mode so as to change magnitude of charging voltage supplied to the neutral point of the motor and to output the charging voltage to the battery.Type: ApplicationFiled: June 1, 2022Publication date: January 5, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Ji Woong JANG, Sang Cheol SHIN, Yoo Jong LEE, Ki Jong LEE, Ho Tae CHUN
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Patent number: 11380676Abstract: A semiconductor system includes a control device, and a semiconductor apparatus coupled with the control device through a first line and a second line. A loading of the second line is greater than a loading of the first line, wherein the semiconductor apparatus includes a first receiving circuit which is electrically coupled with the first line and a second receiving circuit which is electrically coupled with the second line. Further a loading between the first line and the first receiving circuit is greater than a loading between the second line and the second receiving circuit.Type: GrantFiled: December 1, 2020Date of Patent: July 5, 2022Assignee: SK hynix Inc.Inventors: Joong-Ho Kim, Hyun Woo Kwack, Ki Jong Lee, Doo Bock Lee
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Patent number: 11345249Abstract: A power conversion apparatus for multi-voltage charging is provided. The power conversion apparatus includes a housing, a motor connecting terminal disposed at one side of the housing, a relay having a first end electrically connected to the motor connecting terminal, and a capacitor having a first terminal electrically connected to a second end of the relay, and second and third terminals respectively connected to positive and negative terminals of an external battery, wherein the motor connecting terminal, the relay, and the first, second and third terminals are disposed within the housing along an outer edge of the housing.Type: GrantFiled: August 18, 2020Date of Patent: May 31, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Ki Jong Lee, Sang Cheol Shin, Young Seul Lim, Ji Woong Jang, Yoo Jong Lee, Jun Hwan Kim, Seong Min Lee
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Publication number: 20220149733Abstract: A DC-DC converter includes: a first capacitor; a first switching element, a second switching element, a third switching element, and a fourth switching element sequentially connected to one another in series between both ends of the first capacitor; a second capacitor having both ends connected at a connection node of the first switching element and the second switching element and a connection node of the third switching element and the fourth switching element, respectively; and a controller configured to determine whether an overvoltage is applied to both ends of the first to fourth switching elements, respectively, based on a first sensed voltage obtained by sensing a voltage applied to the first capacitor and a second sensed voltage obtained by sensing a voltage applied to the second capacitor.Type: ApplicationFiled: August 23, 2021Publication date: May 12, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Yoo Jong LEE, Ji Woong JANG, Ki Jong LEE, Sang Cheol SHIN
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Patent number: 11277124Abstract: An overcurrent detection reference compensation system of a switching element for an inverter and an overcurrent detection system using the same can correct an overcurrent detection reference used to detect an overcurrent of a switching element according to a temperature of the switching element.Type: GrantFiled: July 8, 2020Date of Patent: March 15, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yoo Jong Lee, Ji Woong Jang, Ki Jong Lee, Sang Cheol Shin
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Publication number: 20220073051Abstract: A vehicle for supplying a constant current to a motor without changing a gate voltage even at high temperatures is provided. The vehicle includes at least one switching element that supplies a current to a motor; a temperature sensor that detects temperature information of at least one transistor; at least one processor that transmits a clock signal corresponding to driving of the motor; and a driver that receives the clock signal, and transmits a driving signal to the transistor. A converter then determines a duty of the driving signal based on the temperature information received from the temperature sensor.Type: ApplicationFiled: December 15, 2020Publication date: March 10, 2022Inventors: Jiwoong Jang, Sangcheol Shin, Youngseul Lim, YooJong Lee, Ki Jong Lee, Kangho Jeong
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Publication number: 20210178920Abstract: A power conversion apparatus for multi-voltage charging is provided. The power conversion apparatus includes a housing, a motor connecting terminal disposed at one side of the housing, a relay having a first end electrically connected to the motor connecting terminal, and a capacitor having a first terminal electrically connected to a second end of the relay, and second and third terminals respectively connected to positive and negative terminals of an external battery, wherein the motor connecting terminal, the relay, and the first, second and third terminals are disposed within the housing along an outer edge of the housing.Type: ApplicationFiled: August 18, 2020Publication date: June 17, 2021Inventors: Ki Jong Lee, Sang Cheol Shin, Young Seul Lim, Ji Woong Jang, Yoo Jong Lee, Jun Hwan Kim, Seong Min Lee
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Patent number: 10962423Abstract: A method includes: detecting, by a motor controller, an interlock failure of a connector for connecting between a gate driver and the motor controller, the connector being connected to an inverter for driving a motor in an eco-friendly vehicle; and determining, by the motor controller, that the interlock failure of the connector has occurred when an output value of a signal processor provided in the motor controller so that a sensing signal is inputted from the gate driver through the connector is detected as a value beyond a predetermined normal sensing range.Type: GrantFiled: September 18, 2015Date of Patent: March 30, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Gun Soo Kang, Ki Jong Lee, Kang Ho Jeong
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Publication number: 20210082909Abstract: A semiconductor system includes a control device, and a semiconductor apparatus coupled with the control device through a first line and a second line. A loading of the second line is greater than a loading of the first line, wherein the semiconductor apparatus includes a first receiving circuit which is electrically coupled with the first line and a second receiving circuit which is electrically coupled with the second line. Further a loading between the first line and the first receiving circuit is greater than a loading between the second line and the second receiving circuit.Type: ApplicationFiled: December 1, 2020Publication date: March 18, 2021Applicant: SK hynix Inc.Inventors: Joong-Ho KIM, Hyun Woo KWACK, Ki Jong LEE, Doo Bock LEE
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Publication number: 20210057904Abstract: An apparatus for protecting a device of a motor drive inverter includes a plurality of power modules configured to control the multi-phase alternating current supplied to the motor. Each of the plurality of power modules includes a top phase switching device connected to a positive terminal of the battery, a bottom phase switching device connected in series to the top phase switching device and connected to a negative terminal of the battery, and a current interruption unit connected in series to the top phase switching device and the bottom phase switching device, and configured to be disconnected when a current greater than or equal to a desired interrupting current flows thereto, so as to prevent a switching device of a power module from being burned out due to an overcurrent by installing a fuse wire to the power module.Type: ApplicationFiled: July 15, 2020Publication date: February 25, 2021Inventors: Ji Woong Jang, Sang Cheol Shin, Yoo Jong Lee, Ki Jong Lee, Kang Ho Jeong
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Patent number: 10923937Abstract: A charging system for an eco-friendly vehicle is provided. The system includes a power supply unit that provides power for charging an automotive battery and a charging unit including a motor and an inverter connected with the motor, and that charges the battery by being supplied with power from the power supply unit. One or more relays connect the power supply unit and the battery to each other and a controller moves a rotor of the motor to a predetermined reference position before charging the battery.Type: GrantFiled: October 4, 2019Date of Patent: February 16, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Seong Min Lee, Je Hwan Lee, Ki Jong Lee, Sang Cheol Shin
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Publication number: 20210044135Abstract: A charging system using a motor driving system includes: a battery, an inverter having connection terminals including a positive terminal and a negative terminal, and a plurality of motor connection terminals, and a plurality of switching elements forming an electrical connection relationship between the DC connection terminals and the connection terminals; a motor including a plurality of coils that has first ends respectively connected to the motor connection terminals, and second ends connected to each other to form a neutral point; a plurality of switches to form an electrical connection between the battery and the inverter, and to form an electrical connection between the battery and the neutral point, and to connect or disconnect a charging current to the DC connection terminals; and a controller controlling operation of the switches and the inverter based on a magnitude of a charging voltage.Type: ApplicationFiled: March 12, 2020Publication date: February 11, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seong Min LEE, Sang Cheol SHIN, Young Seul LIM, Ki Jong LEE, Je Hwan LEE
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Publication number: 20210036699Abstract: An overcurrent detection reference compensation system of a switching element for an inverter and an overcurrent detection system using the same can correct an overcurrent detection reference used to detect an overcurrent of a switching element according to a temperature of the switching element.Type: ApplicationFiled: July 8, 2020Publication date: February 4, 2021Inventors: Yoo Jong Lee, Ji Woong Jang, Ki Jong Lee, Sang Cheol Shin