Patents by Inventor Young Woon Choi
Young Woon Choi 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: 11970090Abstract: A railess variable seatback type rear seat includes: a linear movement device configured to convert a rotation of a motor into a linear movement; a sliding movement device configured to convert the linear movement into a sliding movement in which a seat cushion is pushed forward or backward; and a reclining angle change device configured to convert the sliding movement into a reclining movement, and to fold a seatback, which is connected to the seat cushion, forward or to recline the seatback backward.Type: GrantFiled: July 20, 2021Date of Patent: April 30, 2024Assignees: HYUNDAI MOTOR COMPANY, Kia Corporation, Daechang Seat Co.,LTD-Dongtan, Hyundai Transys Inc.Inventors: Seung-Hyun Kim, Sang-Hyun Lee, Min-Ju Lee, Byung-Yong Choi, Chan-Ho Jung, Seon-Chae Na, Young-Woon Choi, Jae-Jin Lee, Dong-Hwan Kim, In-Chang Hwang
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Publication number: 20240128123Abstract: A method for forming a semiconductor die, includes forming an interlayer dielectric layer on a substrate having a semiconductor die region, a seal-ring region, and a scribe line region, forming a metal pad and a test pad on the interlayer dielectric layer, forming a passivation dielectric layer on the interlayer dielectric layer, the metal pad, and the test pad, first etching the passivation dielectric layer and the interlayer dielectric layer existing between the seal-ring region and the scribe line region to a predetermined depth using a plasma etching process, second etching the passivation dielectric layer to expose the metal pad and the test pad, forming a bump on the metal pad, and dicing the substrate while removing the scribe line region by mechanical sawing.Type: ApplicationFiled: December 18, 2023Publication date: April 18, 2024Applicant: MagnaChip Semiconductor, Ltd.Inventors: Jin Won JEONG, Jang Hee LEE, Young Hun JUN, Jong Woon LEE, Jae Sik CHOI
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Publication number: 20230145246Abstract: There is a stack visualization method using a stack visualization apparatus including a deposition head. The method comprises collecting a moving speed of the deposition head; collecting laser power information of the deposition head by which a laser is irradiated to a stack; selecting a virtual stack corresponding to the moving speed of the deposition head and the laser power information among a plurality of previously stored virtual stacks based on the moving speed of the deposition head and the laser power information; and visualizing the selected virtual stack through a digital twin model.Type: ApplicationFiled: November 8, 2022Publication date: May 11, 2023Applicant: Research & Business Foundation Sungkyunkwan UniversityInventors: Sang Won LEE, Hyewon SHIN, Young Woon CHOI, Su Jong KIM, Jiho LEE
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Patent number: 11472324Abstract: A combination structure of a seat frame includes: a first and a second side cushion frames installed on a first and a second sides of a seat, and configured to slide forward and rearward, wherein the first and the second sides of the seat are opposite to each other; a center cushion frame provided between the side cushion frames and having a first side fixed to the first side cushion frame; and a support guide device connected between a second side of the center cushion frame and the second side cushion frame, and configured to guide a sliding movement of each of the second side cushion frame and the center cushion frame while supporting weights of the second side cushion frame and the center cushion frame.Type: GrantFiled: June 7, 2021Date of Patent: October 18, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Daechang Seat Co., LTD-Dongtan, Hyundai Transys Inc.Inventors: Min Ju Lee, Seung Hyun Kim, Byung Yong Choi, Sang Hyun Lee, Seon Chae Na, Chan Ki Cho, In Chang Hwang, Dong Hwan Kim, Young Woon Choi, Jae Jin Lee
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Publication number: 20220297578Abstract: A railess variable seatback type rear seat includes: a linear movement device configured to convert a rotation of a motor into a linear movement; a sliding movement device configured to convert the linear movement into a sliding movement in which a seat cushion is pushed forward or backward; and a reclining angle change device configured to convert the sliding movement into a reclining movement, and to fold a seatback, which is connected to the seat cushion, forward or to recline the seatback backward.Type: ApplicationFiled: July 20, 2021Publication date: September 22, 2022Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, Daechang Seat Co.,LTD-Dongtan, Hyundai Transys Inc.Inventors: Seung-Hyun KIM, Sang-Hyun LEE, Min-Ju LEE, Byung-Yong CHOI, Chan-Ho JUNG, Seon-Chae NA, Young-Woon CHOI, Jae-Jin LEE, Dong-Hwan KIM, In-Chang HWANG
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Patent number: 11398182Abstract: A display device may include a pixel set, a timing controller, a data driver, and a scale factor provider. The pixel set that may include pixels. The pixels may be divided into pixel groups. The timing controller may calculate first load values corresponding to an image frame of input image data and may generate image data by scaling gradation values of the input image data using scale factors. The data driver may generate data signals corresponding to the image data and may supply the data signals to the pixel set. The scale factor provider may calculate the first load values and one or more second load values based on temperature data corresponding to a temperature of the pixel set and may generate the scale factors based on the one or more second load values and a common current value of a current received by the pixels.Type: GrantFiled: June 7, 2021Date of Patent: July 26, 2022Inventors: Geon Hwi Park, Young Woon Choi, Ki Hyun Pyun
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Publication number: 20220153174Abstract: A combination structure of a seat frame includes: a first and a second side cushion frames installed on a first and a second sides of a seat, and configured to slide forward and rearward, wherein the first and the second sides of the seat are opposite to each other; a center cushion frame provided between the side cushion frames and having a first side fixed to the first side cushion frame; and a support guide device connected between a second side of the center cushion frame and the second side cushion frame, and configured to guide a sliding movement of each of the second side cushion frame and the center cushion frame while supporting weights of the second side cushion frame and the center cushion frame.Type: ApplicationFiled: June 7, 2021Publication date: May 19, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Daechang Seat Co.,LTD-Dongtan, Hyundai Transys Inc.Inventors: Min Ju LEE, Seung Hyun KIM, Byung Yong CHOI, Sang Hyun LEE, Seon Chae NA, Chan Ki CHO, In Chang HWANG, Dong Hwan KIM, Young Woon CHOI, Jae Jin LEE
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Publication number: 20220108650Abstract: A display device may include a pixel set, a timing controller, a data driver, and a scale factor provider. The pixel set that may include pixels. The pixels may be divided into pixel groups. The timing controller may calculate first load values corresponding to an image frame of input image data and may generate image data by scaling gradation values of the input image data using scale factors. The data driver may generate data signals corresponding to the image data and may supply the data signals to the pixel set. The scale factor provider may calculate the first load values and one or more second load values based on temperature data corresponding to a temperature of the pixel set and may generate the scale factors based on the one or more second load values and a common current value of a current received by the pixels.Type: ApplicationFiled: June 7, 2021Publication date: April 7, 2022Inventors: Geon Hwi PARK, Young Woon CHOI, Ki Hyun PYUN
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Patent number: 11104509Abstract: A cargo container is provided. The cargo container includes a frame part, a panel part, a plurality of lead screws and a plurality of guide brackets, so that the cargo container may be operated in a fixing mode or a folding mode according to loading or unloading of cargo. Thus, the volume in the folding mode may be reduced, and transport with stacked may be facilitated, so that a highly efficient cargo container may be provided that is easy to store and transport.Type: GrantFiled: November 30, 2017Date of Patent: August 31, 2021Assignee: SEOUL NATIONAL UNIVERSITY OF TECHNOLOGY CENTER FOR INDUSTRY COLLABORATIONInventors: Jong Bong Kim, Eun Young Lim, Young Woon Choi
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Patent number: 10886783Abstract: A wireless power transmission apparatus includes: an alternating current (AC) power output to convert input power into AC power and output the AC power; and a power transmitter including a plurality of resonators. The power transmitter receives the AC power and wirelessly transmits the AC power in a first operating mode in which two of the resonators are connected in series and the two resonators transmit the AC power, and in a second operating mode in which one of the resonators transmits the AC power.Type: GrantFiled: October 15, 2018Date of Patent: January 5, 2021Assignee: WITS Co., Ltd.Inventors: Se Joo Kim, Tae Seok Ko, Young Woon Choi, Joung Ho Son, Doo Young Song
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Patent number: 10516446Abstract: A wireless power transmitter includes a switch circuit including switches connected to a transmission resonator; a current detector configured to detect a transient current induced in the transmission resonator; and a controller configured to control the switch circuit and adjust an output of the wireless power transmitter based on an amplitude of the transient current.Type: GrantFiled: August 25, 2017Date of Patent: December 24, 2019Assignee: WITS Co., Ltd.Inventors: In Wha Jeong, Young Woon Choi, Se Joo Kim
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Patent number: 10505098Abstract: A drive signal generating apparatus includes a transducer configured to convert electromagnetic energy of a signal received through a first port into a different type of energy, convert the different type of energy into electromagnetic energy, and transfer the converted electromagnetic energy to a second port, and a switching circuit configured to perform a gate switching operation, upon receiving a signal from the second port, to generate a drive signal.Type: GrantFiled: April 6, 2016Date of Patent: December 10, 2019Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: In Wha Jeong, Young Woon Choi, Tae Won Heo
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Patent number: 10410787Abstract: A coil module includes a magnetic substance plate, a first coil, and a second coil. The magnetic substance plate includes a first area having a first magnetic permeability and a second area having a second magnetic permeability. The first coil is disposed on a surface of the magnetic substance plate. The second coil is disposed on the surface of the magnetic substance plate and partially overlapping the first coil. A portion of the first coil, not overlapping the second coil, is disposed on a surface of the first area, and a portion of the second coil, not overlapping the first coil, is disposed on a surface of the second area.Type: GrantFiled: November 1, 2017Date of Patent: September 10, 2019Assignee: WITS Co., Ltd.Inventors: In Wha Jeong, Ki Hong Kim, Young Woon Choi, Young Seung Roh
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Publication number: 20190222065Abstract: A wireless power transmission apparatus includes: an alternating current (AC) power output to convert input power into AC power and output the AC power; and a power transmitter including a plurality of resonators. The power transmitter receives the AC power and wirelessly transmits the AC power in a first operating mode in which two of the resonators are connected in series and the two resonators transmit the AC power, and in a second operating mode in which one of the resonators transmits the AC power.Type: ApplicationFiled: October 15, 2018Publication date: July 18, 2019Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Se Joo KIM, Tae Seok KO, Young Woon CHOI, Joung Ho SON, Doo Young SONG
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Patent number: 10277074Abstract: A wireless power transmitter includes a common bridge circuit configured to apply a first alternating current (AC) voltage to a terminal of each of a first resonator and a second resonator of the resonators, a first sub-bridge circuit configured to apply a second alternating current (AC) voltage to another terminal of the first resonator while the first alternating current (AC) voltage is being applied to the terminal of the first resonator, and a second sub-bridge circuit configured to apply a third alternating current (AC) voltage to another terminal of the second resonator while the first alternating current (AC) voltage is being applied to the terminal of the first resonator.Type: GrantFiled: December 29, 2016Date of Patent: April 30, 2019Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Se Joo Kim, Sang Ho Cho, Hyo Young Kim, In Wha Jeong, Ki Hong Kim, Young Woon Choi
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Publication number: 20180254142Abstract: A coil module includes a magnetic substance plate, a first coil, and a second coil. The magnetic substance plate includes a first area having a first magnetic permeability and a second area having a second magnetic permeability. The first coil is disposed on a surface of the magnetic substance plate. The second coil is disposed on the surface of the magnetic substance plate and partially overlapping the first coil. A portion of the first coil, not overlapping the second coil, is disposed on a surface of the first area, and a portion of the second coil, not overlapping the first coil, is disposed on a surface of the second area.Type: ApplicationFiled: November 1, 2017Publication date: September 6, 2018Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: In Wha JEONG, Ki Hong KIM, Young Woon CHOI, Young Seung ROH
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Publication number: 20180155119Abstract: A cargo container is provided. The cargo container includes a frame part, a panel part, a plurality of lead screws and a plurality of guide brackets, so that the cargo container may be operated in a fixing mode or a folding mode according to loading or unloading of cargo. Thus, the volume in the folding mode may be reduced, and transport with stacked may be facilitated, so that a highly efficient cargo container may be provided that is easy to store and transport.Type: ApplicationFiled: November 30, 2017Publication date: June 7, 2018Applicant: SEOUL NATIONAL UNIVERSITY OF TECHNOLOGY CENTER FOR INDUSTRY COLLABORATIONInventors: Jong Bong KIM, Eun Young LIM, Young Woon CHOI
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Publication number: 20180083669Abstract: A wireless power transmitter includes a switch circuit including switches connected to a transmission resonator; a current detector configured to detect a transient current induced in the transmission resonator; and a controller configured to control the switch circuit and adjust an output of the wireless power transmitter based on an amplitude of the transient current.Type: ApplicationFiled: August 25, 2017Publication date: March 22, 2018Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: In Wha JEONG, Young Woon CHOI, Se Joo KIM
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Patent number: 9899881Abstract: A wireless power transmitting device includes: a rectifier configured to rectify alternating current (AC) power; a capacitor configured to store the rectified AC power as direct current (DC) power; a voltage divider configured to divide a voltage of the DC power; and a wireless power transmitter configured to wirelessly transmit power using the voltage divided by the voltage divider.Type: GrantFiled: April 15, 2016Date of Patent: February 20, 2018Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: In Wha Jeong, Young Woon Choi, Tae Won Heo
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Publication number: 20170271923Abstract: A wireless power transmitter includes a common bridge circuit configured to apply a first alternating current (AC) voltage to a terminal of each of a first resonator and a second resonator of the resonators, a first sub-bridge circuit configured to apply a second alternating current (AC) voltage to another terminal of the first resonator while the first alternating current (AC) voltage is being applied to the terminal of the first resonator, and a second sub-bridge circuit configured to apply a third alternating current (AC) voltage to another terminal of the second resonator while the first alternating current (AC) voltage is being applied to the terminal of the first resonator.Type: ApplicationFiled: December 29, 2016Publication date: September 21, 2017Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Se Joo KIM, Sang Ho CHO, Hyo Young KIM, In Wha JEONG, Ki Hong KIM, Young Woon CHOI