Patents by Inventor Sang Kook Kim
Sang Kook Kim 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: 20240141103Abstract: The present disclosure relates to a method for preparing a polyalkylene carbonate resin, and more particularly, to a method for preparing a polyalkylene carbonate resin having the reduced cyclic carbonate content, which is a by-product, and an increased ratio of a repeating unit including carbon dioxide, by increasing catalyst activity.Type: ApplicationFiled: September 26, 2022Publication date: May 2, 2024Inventors: Seung Hee LEE, Sang Kook KIM, Sang Woo KIM, Bo Ra SHIN, No Jin PARK
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Publication number: 20240134487Abstract: A touch sensor includes first touch cells disposed in a first touch sensing area, the first touch cells each including a first touch pattern and a first dummy pattern, and second touch cells disposed in a second touch sensing area, the second touch cells each including a second touch pattern and a second dummy pattern. An area of a first dummy pattern area in which the first dummy pattern is disposed is greater than an area of a second dummy pattern area in which the second dummy pattern is disposed.Type: ApplicationFiled: January 2, 2024Publication date: April 25, 2024Inventors: Hyung Bae KIM, Min Hong KIM, Sang Kook KIM, Tae Joon KIM, Jae Hyun PARK, Ji Yeong LEE, Hyun Wook CHO
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Publication number: 20240127034Abstract: Disclosed herein are an apparatus and method for distributed processing of a neural network. The apparatus may include a neural network model compiler for segmenting a neural network into a predetermined number of sub-neural networks, two or more neural processing units, and a neural network operating system for abstracting the sub-neural networks into a predetermined number of tasks, performing inference using the multiple neural processing units in a distributed manner in response to a neural network inference request from at least one application, and returning an inference result to the application.Type: ApplicationFiled: July 5, 2023Publication date: April 18, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sang-Cheol KIM, Hyung-Kook JUN, Tae-Ho KIM
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Publication number: 20240120323Abstract: The present disclosure relates to an apparatus for fabricating a display panel including: an attachment member having a fixing portion in a pressurization direction to which a pressurization header is fixed, an attachment driving member configured to move the attachment member and the pressurization header in the pressurization direction or a detachment direction through a fixing frame of the attachment member, a first pressure sensing module between the pressurization header and the attachment member and configured to generate first pressure detection signals according to pressure applied to the pressurization header, a gradient setting module configured to set a gradient of the pressurization header based on magnitudes of the first pressure detection signals, and a gradient control module configured to adjust gradients of the pressurization header, the attachment member, and the fixing frame according to control of the gradient setting module.Type: ApplicationFiled: September 6, 2023Publication date: April 11, 2024Inventors: Tae Hee LEE, Sung Kook PARK, Kyung Ho KIM, Young Seok SEO, Jae Gwang UM, Sang Hyun LEE, Hyung Suk HWANG
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Patent number: 11936075Abstract: Disclosed are a separator for fuel cells capable of minimizing the volume of a system and the use of sealants, and a stack for fuel cells, more particularly, a stack for solid oxide fuel cells, including the same. Specifically, by adding a metal sheet having a specific shape, position and size to the separator, the stress applied to the sealant can be uniformized, and thus the oxidizing agent and fuel can be separated and electrically isolated using only a piece of sealant. Therefore, the stack for fuel cells is characterized in that there is no variation in temperature, reactant concentration, power, or the like between respective unit cells, so delamination and microcracks do not occur, the volume is minimized, and the power density per unit volume is very high.Type: GrantFiled: December 21, 2021Date of Patent: March 19, 2024Assignee: Korea Institute of Science and TechnologyInventors: Jong Ho Lee, Kyung Joong Yoon, Ji Won Son, Seong Kook Oh, Sang Hyeok Lee, Dong Hwan Kim, Min Jun Oh
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Patent number: 11907473Abstract: A display device includes a display panel configured to display an image, a sensing panel configured to at least partially overlap the display panel and that includes a sensing area and a non-sensing area, a sensing panel controller configured to drive the sensing panel, a plurality of sensing electrodes disposed in the sensing area, and a plurality of sensing lines electrically connected to the plurality of sensing electrodes, respectively. The sensing panel controller is configured to apply the same sensing voltage to each of the plurality of sensing lines or to apply a reference voltage different from the sensing voltage to at least some sensing lines among the plurality of sensing lines.Type: GrantFiled: June 6, 2022Date of Patent: February 20, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jae Hyun Park, Sang Kook Kim, Tae Joon Kim, Hyung Bae Kim, Ji Yeong Lee, Hyun Jae Lee
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Patent number: 11886671Abstract: A touch sensor includes first touch cells disposed in a first touch sensing area, the first touch cells each including a first touch pattern and a first dummy pattern, and second touch cells disposed in a second touch sensing area, the second touch cells each including a second touch pattern and a second dummy pattern. An area of a first dummy pattern area in which the first dummy pattern is disposed is greater than an area of a second dummy pattern area in which the second dummy pattern is disposed.Type: GrantFiled: June 16, 2022Date of Patent: January 30, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyung Bae Kim, Min Hong Kim, Sang Kook Kim, Tae Joon Kim, Jae Hyun Park, Ji Yeong Lee, Hyun Wook Cho
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Publication number: 20240011827Abstract: A display device includes a display panel which includes a display area including a plurality of pixels; a touch sensing unit disposed on a front surface of the display panel; a display driving circuit, configured to drive the pixels of the display area based on display control firmware; and a touch driving circuit configured to drive touch electrodes of the touch sensing unit based on touch driving firmware, and further configured to generate touch coordinate data, wherein the display control firmware and the touch driving firmware are initialized or changed according to a comparison result between a flicker noise detection value of the display area and a reference flicker noise detection value, wherein the flicker noise detection value is determined by measuring a change in luminance over time of a flicker detection pattern displayed in the display area.Type: ApplicationFiled: February 26, 2023Publication date: January 11, 2024Inventors: Eung Kwan LEE, SANG KOOK KIM, TAE JOON KIM
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Publication number: 20230315228Abstract: A touch detection module includes driving electrodes extending parallel to each other, sensing electrodes crossing the driving electrodes, and a touch driver circuit for supplying touch driving signals to the driving electrodes and for detecting touch sensing signals through the sensing electrodes to determine touch position coordinates. The touch driver circuit selects between a group driving scheme and a sequential driving scheme for at least one frame. According to the group driving scheme, the touch driver circuit sorts the driving electrodes into groups, simultaneously drives driving electrodes in a same group among the groups, and drives the groups at different times. According to the sequential driving scheme, the touch driving circuit sequentially drives the driving electrodes.Type: ApplicationFiled: January 26, 2023Publication date: October 5, 2023Inventors: Hyung Bae KIM, Sang Kook KIM, Tae Joon KIM, Jae Hyun PARK, Ji Yeong LEE, Hyun Wook CHO
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Patent number: 11740751Abstract: A touch sensing unit includes a first electrode including a plurality of first main patterns arranged in a first direction and a first outer pattern arranged on one sides of the plurality of first main patterns, a second electrode including a plurality of second main patterns arranged in a second direction intersecting the first direction and a second outer pattern arranged on one sides of the plurality of second main patterns, a first compensation pattern extending along an edge of the first outer pattern, and a first signal wire connected to at least one of the first outer pattern and the first compensation pattern. The first compensation pattern includes a first compensation connection part protruding toward the first outer pattern and connected to the first outer pattern.Type: GrantFiled: June 17, 2022Date of Patent: August 29, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyung Bae Kim, Sang Kook Kim, Tae Joon Kim, Hyun Jae Lee
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Publication number: 20230229248Abstract: A display device includes a substrate. A plurality of sensing electrodes is on the substrate. A first touch insulating layer is disposed above the plurality of sensing electrodes. A plurality of driving electrodes is disposed on an upper surface of the first touch insulating layer. The plurality of driving electrodes receives a touch driving signal. A touch driving circuit sensing a change amount of mutual capacitance is formed between the plurality of driving electrodes and the plurality of sensing electrodes by the plurality of sensing electrodes. The first touch insulating layer includes an organic material.Type: ApplicationFiled: December 21, 2022Publication date: July 20, 2023Inventors: Hyung Bae KIM, Sang Kook KIM, Tae Joon KIM
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Publication number: 20230152928Abstract: A touch sensor includes first touch cells disposed in a first touch sensing area, the first touch cells each including a first touch pattern and a first dummy pattern, and second touch cells disposed in a second touch sensing area, the second touch cells each including a second touch pattern and a second dummy pattern. An area of a first dummy pattern area in which the first dummy pattern is disposed is greater than an area of a second dummy pattern area in which the second dummy pattern is disposed.Type: ApplicationFiled: June 16, 2022Publication date: May 18, 2023Inventors: HYUNG BAE KIM, Min Hong Kim, Sang Kook KIM, Tae Joon KIM, Jae Hyun PARK, Ji Yeong LEE, Hyun Wook CHO
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Publication number: 20230106322Abstract: A display device includes a display panel configured to display an image, a sensing panel configured to at least partially overlap the display panel and that includes a sensing area and a non-sensing area, a sensing panel controller configured to drive the sensing panel, a plurality of sensing electrodes disposed in the sensing area, and a plurality of sensing lines electrically connected to the plurality of sensing electrodes, respectively. The sensing panel controller is configured to apply the same sensing voltage to each of the plurality of sensing lines or to apply a reference voltage different from the sensing voltage to at least some sensing lines among the plurality of sensing lines.Type: ApplicationFiled: June 6, 2022Publication date: April 6, 2023Inventors: Jae Hyun PARK, Sang Kook KIM, Tae Joon KIM, Hyung Bae KIM, Ji Yeong LEE, Hyun Jae LEE
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Publication number: 20230093856Abstract: A touch sensing unit includes a first electrode including a plurality of first main patterns arranged in a first direction and a first outer pattern arranged on one sides of the plurality of first main patterns, a second electrode including a plurality of second main patterns arranged in a second direction intersecting the first direction and a second outer pattern arranged on one sides of the plurality of second main patterns, a first compensation pattern extending along an edge of the first outer pattern, and a first signal wire connected to at least one of the first outer pattern and the first compensation pattern. The first compensation pattern includes a first compensation connection part protruding toward the first outer pattern and connected to the first outer pattern.Type: ApplicationFiled: June 17, 2022Publication date: March 30, 2023Inventors: Hyung Bae Kim, Sang Kook Kim, Tae Joon Kim, Hyun Jae Lee
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Patent number: 11119259Abstract: The present invention relates to a flexible color filter. More specifically, the present invention is characterized in that a separation layer, a protective layer, a black matrix layer and a pixel layer are sequentially laminated, wherein the protective layer comprises one or more polymers selected from polymers represented by chemical formula 1 or chemical formula 2.Type: GrantFiled: December 13, 2016Date of Patent: September 14, 2021Assignee: Dongwoo Fine-Chem Co., Ltd.Inventors: Sung Hoon Cho, Sang Kook Kim, Seong Hwan Park, Seung June Park
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Patent number: 10988021Abstract: An in-wheel motor powertrain includes an input gear directly connected to a motor; an output gear disposed parallel to the input gear; an intermediate gear integrally and concentrically provided with a first gear meshed with the input gear and a second gear meshed with the output gear having a pitch circle diameter different from that of the first gear; a planetary reduction mechanism of which one of three rotating elements is concentrically connected to the output gear and another one of the three rotating elements is connected to a wheel hub.Type: GrantFiled: November 26, 2019Date of Patent: April 27, 2021Assignee: HYUNDAI TRANSYS INCORPORATEDInventor: Sang Kook Kim
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Patent number: 10894390Abstract: A film touch sensor includes a separation layer, a protective layer disposed on the separation layer, and an electrode pattern layer which is disposed on the protective layer and includes an insulation layer formed by curing an insulation layer forming composition comprising a polymer having a repeating unit represented by Formula 1 or 2, such that it is possible to suppress thermal damage which may occur in high-temperature deposition and annealing processes, and significantly reduce an occurrence rate of cracks during peeling-off the same from a carrier substrate.Type: GrantFiled: December 22, 2016Date of Patent: January 19, 2021Assignee: DONGWOO FINE-CHEM CO., LTD.Inventors: Sang Kook Kim, Seong Hwan Park, Seung June Park, Sung Hoon Cho
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Patent number: 10870260Abstract: A film touch sensor includes a separation layer, a protective layer which is disposed on the separation layer and is a cured layer of a polymer having a repeating unit represented by Formula 1 or 2, and an electrode pattern layer disposed on the protective layer, such that it is possible to suppress thermal damage such as wrinkles, or cracks of an protective layer, which may occur in high-temperature deposition and annealing processes, and significantly reduce an occurrence rate of cracks during peeling-off the same from a carrier substrate.Type: GrantFiled: January 6, 2017Date of Patent: December 22, 2020Assignee: DONGWOO FINE-CHEM CO., LTD.Inventors: Sang Kook Kim, Seong Hwan Park, Seung June Park, Sung Hoon Cho
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Patent number: 10866661Abstract: A film touch sensor includes a separation layer; a protective layer disposed on the separation layer, and an electrode pattern layer which is disposed on the protective layer and includes an insulation layer that is a cured layer of a binder resin including (a-1) a resin in which at least a part of a phenolic hydroxyl group or a carboxyl group is protected with an acid decomposable group, (a-2) an acrylic resin containing an epoxy group, and (a-3) an acrylic resin containing an oxetane group, such that it is possible to suppress thermal damage such as wrinkles, or cracks of the insulation layer, which may occur in high-temperature deposition and annealing processes, and significantly reduce an occurrence rate of cracks during peeling-off the same from a carrier substrate.Type: GrantFiled: January 6, 2017Date of Patent: December 15, 2020Assignee: DONGWOO FINE-CHEM CO., LTD.Inventors: Sang Kook Kim, Seong Hwan Park, Min Ju Lim, Sung Hoon Cho
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Patent number: 10824286Abstract: A film touch sensor includes a separation layer, a first protection layer on the separation layer, and an electrode pattern layer on the first protection layer. An alkoxy group having 1 to 5 carbon atoms from the separation layer, and at least one substituent group of a hydroxyl group, a carboxyl group or an amide group from the first protection layer are reacted with each other to form a chemical bond between the separation layer and the first protection layer. Thus, electrode damages and cracks are prevented during a detaching process from a carrier substrate to improve flexibility and durability of the film touch sensor.Type: GrantFiled: September 28, 2018Date of Patent: November 3, 2020Assignee: DONGWOO FINE-CHEM CO., LTD.Inventors: Sang Kook Kim, Seung June Park, Seong Hwan Park, Sung Hoon Cho