Patents by Inventor Joo-Young Park
Joo-Young Park 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: 11961564Abstract: To program in a nonvolatile memory device including a cell region including first metal pads and a peripheral region including second metal pads and vertically connected to the cell region by the first metal pads and the second metal pads, a memory block is provided with a plurality of sub blocks disposed in a vertical direction where the memory block includes a plurality of cell strings each including a plurality of memory cells connected in series and disposed in the vertical direction. A plurality of intermediate switching transistors are disposed in a boundary portion between two adjacent sub blocks in the vertical direction. Each of the plurality of intermediate switching transistors is selectively activated based on a program address during a program operation. The selectively activating each of the plurality of intermediate switching transistors includes selectively turning on one or more intermediate switching transistors in a selected cell string based on the program address.Type: GrantFiled: October 18, 2021Date of Patent: April 16, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang-Yeon Yu, Kui-Han Ko, Il-Han Park, June-Hong Park, Joo-Yong Park, Joon-Young Park, Bong-Soon Lim
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Patent number: 11940368Abstract: Disclosed is a method for pre-detecting a defective porous polymer substrate for a separator, including selecting a porous polymer substrate having a plurality of pores; observing the selected porous polymer substrate with a scanning electron microscope (SEM) to obtain an image of the porous polymer substrate; quantifying the average value of pore distribution index (PDI); correcting the quantified average value of pore distribution index to obtain the corrected average value of pore distribution index; determining whether or not the corrected average value of pore distribution index is 60 a.u. (arbitrary unit) or less; and classifying the porous polymer substrate as a good product, when the corrected average value of pore distribution index is determined to be 60 a.u. or less, and classifying the porous polymer substrate as a defective product, when the corrected average value of pore distribution index is determined to be larger than 60 a.u.Type: GrantFiled: April 6, 2022Date of Patent: March 26, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Won-Sik Bae, Joo-Sung Lee, Ho-Sung Kang, Yern-Seung Kim, Se-Jung Park, Je-Seob Park, Ji-Young Hwang
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Patent number: 11928575Abstract: An activation function processing method includes processing a first activation function in a first mode by referring to a shared lookup table that includes a plurality of function values of the first activation function; and processing a second activation function in a second mode by referring to the shared lookup table, the second activation function being a different function than the first activation function.Type: GrantFiled: November 2, 2020Date of Patent: March 12, 2024Assignee: SK hynix Inc.Inventors: Yong Sang Park, Joo Young Kim
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Patent number: 11922543Abstract: A method, performed by a coloring apparatus, of coloring a sketch image includes adding a color pointer on the sketch image, according to an input of a user; determining an object related to a point where the color pointer is located, from among objects configuring the sketch image; and generating a colored image by coloring the determined object, based on a color of the color pointer.Type: GrantFiled: January 18, 2022Date of Patent: March 5, 2024Assignee: NAVER WEBTOON LTD.Inventors: Jun Hyun Park, Yu Ra Shin, Du Yong Lee, Joo Young Moon
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Patent number: 11876468Abstract: A motor driving apparatus which drives a motor having a plurality of windings corresponding to a plurality of phases includes: a first inverter having a plurality of first switching elements and connected to a first end of each winding; a second inverter having a plurality of second switching elements and connected to a second end of each winding; and a controller configured to control pulse width modulation, by distributing a preset voltage command of the motor into a voltage command of the first inverter and a voltage command of the second inverter at the same rate and by generating duties of the first switching elements, wherein the controller determines the duties of the second switching elements and determines the duties of the first switching elements on and the duties of the first switching elements.Type: GrantFiled: June 15, 2022Date of Patent: January 16, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Yong Jae Lee, Joo Young Park, Young Kwan Ko
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Patent number: 11757298Abstract: A charging system and method using a motor driving system which can charge a vehicle battery using charging equipment providing various voltages using a motor driving system provided in a vehicle and improve charging efficiency by selectively determining a charging mode in response to an actual voltage state of the vehicle battery.Type: GrantFiled: November 20, 2020Date of Patent: September 12, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Su Hyun Bae, Jung Mo Yu, Jae Ho Hwang, Joo Young Park, Yong Jae Lee
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Publication number: 20230151986Abstract: The present disclosure relates to an air conditioning system and method for disinfection of a public facility. More specifically, the present disclosure relates to an air conditioning system and method for disinfection of a public facility capable of sterilizing or inactivating bio-aerosols existing in interior space by using the air conditioning equipment installed in the public facility structures.Type: ApplicationFiled: January 2, 2023Publication date: May 18, 2023Inventors: Seung-hoon LEE, Do-geun Kim, Chang-su Kim, Joo-young Park, Sung-hoon Jung, Joon-hwan Choi, Eun-yeon Byeon, Jong-man Lee, Jang-hoon Ha, Sang-jin Kim
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Publication number: 20230023016Abstract: A motor driving apparatus which drives a motor having a plurality of windings corresponding to a plurality of phases includes: a first inverter having a plurality of first switching elements and connected to a first end of each winding; a second inverter having a plurality of second switching elements and connected to a second end of each winding; and a controller configured to control pulse width modulation, by distributing a preset voltage command of the motor into a voltage command of the first inverter and a voltage command of the second inverter at the same rate and by generating duties of the first switching elements, wherein the controller determines the duties of the second switching elements and determines the duties of the first switching elements on and the duties of the first switching elements.Type: ApplicationFiled: June 15, 2022Publication date: January 26, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Yong Jae LEE, Joo Young PARK, Young Kwan KO
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Patent number: 11563395Abstract: A battery-heating system and method using a motor-driving system is provided. The battery-heating system includes an inverter having legs respectively including a pair of switching elements connected in series between the ends of a battery and corresponding to a plurality of phases. A motor of the system includes coils each having one end connected to a connection end between a pair of switching elements of the legs, other ends of the plurality of coils being connected together. A controller determines one of the plurality of phases as a reference phase, and alternately controls the on-off states of the switching elements so that the on-off state of the switching element included in the leg corresponding to the reference phase and the switching element included in the other leg are mutually complementary, thereby generating AC current to be injected into the battery.Type: GrantFiled: November 17, 2020Date of Patent: January 24, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yong Jae Lee, Jung Hwi Kim, Jung Mo Yu, Jae Ho Hwang, Joo Young Park, Jae Hyeon Park
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Patent number: 11563396Abstract: A battery heating system and method using a motor driving system are provided. A temperature of a battery is increased by injecting an alternating current into the battery so that charging and discharging of the battery is repeated using the motor driving system including an inverter and a motor provided in a vehicle.Type: GrantFiled: November 18, 2020Date of Patent: January 24, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yong Jae Lee, Jung Hwi Kim, Jung Mo Yu, Jae Ho Hwang, Joo Young Park, Jae Hyeon Park
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Patent number: 11437909Abstract: A DC-to-DC converter includes a first capacitor, first to fourth switches connected in series between first and second electrodes of the first capacitor, a second capacitor connected to a connection node of the first switch and the second switch and a connection node of the third switch and the fourth switch, an inductor connected to a connection node of the second switch and the third switch, and a controller that performs PWM control. In a case where a failure occurs in the second capacitor, the DC-to-DC converter performs PWM control such that the first switch and the second switch enter the same state and the third switch and the fourth switch enter the same state on the basis of a result of comparison between a first detection voltage that is a measured output voltage and a target output voltage of the DC-to-DC converter.Type: GrantFiled: September 29, 2020Date of Patent: September 6, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jung Hwi Kim, Jung Mo Yu, Yong Jae Lee, Jae Ho Hwang, Joo Young Park, Jae Hyeon Park
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Publication number: 20220255338Abstract: An embodiment vehicle charging device includes a battery, an inverter electrically connected to the battery, a communicator configured to communicate with a constituent element included in a vehicle, and a controller configured to identify whether a person is present within a predetermined reference distance range from the vehicle based on signals received through the communicator during charging of the battery and to adjust a switching frequency of the inverter such that a voltage supplied to the battery is converted based on the identification result indicating presence or absence of the person within the predetermined reference distance range.Type: ApplicationFiled: January 7, 2022Publication date: August 11, 2022Inventors: Jungmo Yu, Jung Hwi Kim, Yong Jae Lee, Jae Ho Hwang, Joo Young Park, Jae Hyeon Park
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Patent number: 11356021Abstract: A DC-to-DC converter includes a first capacitor, first, second, third, and fourth switches connected in series between first and second electrodes of the first capacitor, a second capacitor connected to a connection node of the first switch and the second switch and a connection node of the third switch and the fourth switch, an inductor connected to a connection node of the second switch and the third switch, and a controller that controls an on/off state of each of the first to fourth switches on the basis of a value obtained by applying a reciprocal of a detection current that is a measured current flowing through the inductor to a difference between a first detection voltage and a first voltage instruction value and a difference between a second detection voltage and a second voltage instruction value.Type: GrantFiled: September 24, 2020Date of Patent: June 7, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jung Hwi Kim, Jung Mo Yu, Yong Jae Lee, Jae Ho Hwang, Joo Young Park, Jae Hyeon Park
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Patent number: 11292362Abstract: A system for increasing a temperature of a battery includes an inverter including a plurality of legs each including one pair of switching devices connected in series to each other between opposite ends of the battery and corresponding to a plurality of phases, respectively, a motor including a plurality of coils corresponding to the plurality of phases, respectively, where one end of each of the plurality of coils is connected to a connection node between one pair of switching devices included in a corresponding leg and other ends of the coils are connected to each other, and a controller configured to select two phases of the plurality of phases, and to alternately control an on/off state of switching devices included in two legs in the inverter, corresponding to the two selected phases, at a preset switching frequency to generate alternating current (AC) supplied to the battery.Type: GrantFiled: January 28, 2020Date of Patent: April 5, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Yong Jae Lee, Su Hyun Bae, Jung Mo Yu, Jae Ho Hwang, Joo Young Park
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Patent number: 11296536Abstract: A charging power supplying system using a motor driving system includes an inverter that is connected to a battery, includes at least one switching device, and is configured to change an on/off state of the switching device and to convert power stored in the battery to output the converted power to an output terminal of the inverter, a motor including a plurality of coils that each receive power provided from the output terminal of the inverter, a charging power output terminal that is connected to a neutral point to which the plurality of coils of the motor is commonly connected and outputs current output from the neutral point to an external charging target, and a controller configured to control the switching device in the inverter based on current of the output terminal of the inverter.Type: GrantFiled: November 11, 2019Date of Patent: April 5, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yong Jae Lee, Jae Ho Hwang, Joo Young Park, Su Hyun Bae
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Publication number: 20220069755Abstract: A battery-heating system and method using a motor-driving system is provided. The battery-heating system includes an inverter having legs respectively including a pair of switching elements connected in series between the ends of a battery and corresponding to a plurality of phases. A motor of the system includes coils each having one end connected to a connection end between a pair of switching elements of the legs, other ends of the plurality of coils being connected together. A controller determines one of the plurality of phases as a reference phase, and alternately controls the on-off states of the switching elements so that the on-off state of the switching element included in the leg corresponding to the reference phase and the switching element included in the other leg are mutually complementary, thereby generating AC current to be injected into the battery.Type: ApplicationFiled: November 17, 2020Publication date: March 3, 2022Inventors: Yong Jae Lee, Jung Hwi Kim, Jung Mo Yu, Jae Ho Hwang, Joo Young Park, Jae Hyeon Park
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Patent number: 11230200Abstract: An apparatus for controlling a charging system using a motor-driving system is configured to suppress the occurrence of torque in a motor when a battery is charged by receiving the supply of external charging current to a neutral point of the motor.Type: GrantFiled: June 5, 2019Date of Patent: January 25, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yong Jae Lee, Jae Ho Hwang, Joo Young Park, Su Hyun Bae
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Publication number: 20220014137Abstract: A battery heating system and method using a motor driving system are provided. A temperature of a battery is increased by injecting an alternating current into the battery so that charging and discharging of the battery is repeated using the motor driving system including an inverter and a motor provided in a vehicle.Type: ApplicationFiled: November 18, 2020Publication date: January 13, 2022Inventors: Yong Jae Lee, Jung Hwi Kim, Jung Mo Yu, Jae Ho Hwang, Joo Young Park, Jae Hyeon Park
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Patent number: 11183925Abstract: A flying DC-to-DC converter has a capacitor protection function of preventing a flying capacitor from overheating. The flying DC-to-DC converter estimates the temperature of a capacitor on the basis of a switching duty and an inductor current determined according to a result of comparison between an output voltage and a voltage instruction value, and determines whether to perform de-rating.Type: GrantFiled: September 29, 2020Date of Patent: November 23, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jung Hwi Kim, Jung Mo Yu, Yong Jae Lee, Jae Ho Hwang, Joo Young Park, Jae Hyeon Park
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Patent number: D1024160Type: GrantFiled: January 18, 2022Date of Patent: April 23, 2024Assignee: HANWHA VISION CO., LTD.Inventors: Joo Young Shin, Mun Jun Park