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公开(公告)号：US11975971B2
公开(公告)日：2024-05-07
申请号：US17190852
申请日：2021-03-03
发明人： Sangwon Kim , Kyung-Eun Byun , Hyeonjin Shin , Eunkyu Lee , Changseok Lee
IPC分类号： B32B9/00 , C01B32/186 , B82Y30/00
CPC分类号： C01B32/186 , B82Y30/00 , Y10T428/30
摘要： A graphene manufacturing apparatus includes a reaction chamber a substrate supporter configured to structurally support a substrate inside the reaction chamber; a plasma generator configured to generate a plasma inside the reaction chamber; a first gas supply configured to supply an inert gas into the reaction chamber at a first height from an upper surface of the substrate supporter in a height direction of the reaction chamber; a second gas supply configured to supply a carbon source into the reaction chamber at a second height from the upper surface of the substrate supporter in the height direction of the reaction chamber; and a third gas supply configured to supply a reducing gas into the reaction chamber, wherein the first to third gas supply units are disposed at different heights at a third height from the upper surface of the substrate supporter in the height direction of the reaction chamber.
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公开(公告)号：US11626409B2
公开(公告)日：2023-04-11
申请号：US17318563
申请日：2021-05-12
发明人： Huijung Kim , Minwoo Kwon , Sangyeon Han , Sangwon Kim , Junsoo Kim , Hyeonjin Shin , Eunkyu Lee
IPC分类号： H01L27/108 , H01L29/423 , H01L29/78
摘要： A semiconductor device includes a substrate including an active region, a gate structure disposed in a gate trench in the substrate, a bit line disposed on the substrate and electrically connected to the active region on one side of the gate structure, and a capacitor disposed on the bit line and electrically connected to the active region on another side of the gate structure. The gate structure includes a gate dielectric layer disposed on bottom and inner side surfaces of the gate trench, a conductive layer disposed on the gate dielectric layer in a lower portion of the gate trench, sidewall insulating layers disposed on the gate dielectric layer, on an upper surface of the conductive layer, a graphene conductive layer disposed on the conductive layer, and a buried insulating layer disposed between the sidewall insulating layers on the graphene conductive layer.
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公开(公告)号：US11206586B2
公开(公告)日：2021-12-21
申请号：US17003551
申请日：2020-08-26
发明人： Sangwon Kim , Keonyoung Lee
摘要： An electronic device includes a communication processor configured to support first network communication, second network communication, and a memory configured to store information about a first band supporting dual connectivity for the first and the second network communication among a plurality of bands that correspond to the first network communication. The communication processor may be configured to: camp on a first cell supporting the first network communication; receive information about a neighbor cell from the first cell after camping on the first cell; identify a second band supporting the dual connectivity among at least one band that corresponds to the neighbor cell based on the information about the first band and the information about the neighbor cell; search for the second band among the at least one band that corresponds to the neighbor cell; and perform cell reselection from the first cell to another cell based on the search result.
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公开(公告)号：US11158243B2
公开(公告)日：2021-10-26
申请号：US16834514
申请日：2020-03-30
发明人： Jeongryeol Seo , Sangwon Kim , Youngkook Kim
摘要： A display apparatus of a plurality of display apparatuses constituting a wall display includes a first board, a second board, and a plurality of display modules. The first board includes a first communication interface including a circuitry for wireless transmission, and a timing controller configured to, in response to information on an image being received, generate a plurality of driving signals for driving the plurality of display modules based on the received information and transmit the plurality of driving signals to the second board through the first communication interface. The second board includes a second communication interface including circuitry for wireless reception, a plurality of interfaces electrically connected to the plurality of display modules, and an IC chip configured to, based on the plurality of driving signals being received through the second interface, provide each of the received driving signals to each of the display modules.
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公开(公告)号：US11055052B2
公开(公告)日：2021-07-06
申请号：US16829495
申请日：2020-03-25
发明人： Jeongryeol Seo , Sangwon Kim , Youngkook Kim
IPC分类号： G06F3/14
摘要： A display apparatus included in a wall display includes a first input interface, a first output interface, a second output interface, a plurality of display modules, and a processor configured to, based on an image signal being received through the first input interface, display an image corresponding to a position of the display apparatus on the wall display through the plurality of display modules based on the received image signal, and transmit the received image signal to a first display apparatus and a second display apparatus included in the wall display through the first output interface and the second output interface, respectively.
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6.发明授权公开(公告)号：US10928723B2
公开(公告)日：2021-02-23
申请号：US16708969
申请日：2019-12-10
发明人： Hyeonjin Shin , Hyunjae Song , Seongjun Park , Keunwook Shin , Changseok Lee , Dongwook Lee , Minsu Seol , Sangwon Kim , Seongjun Jeong
摘要： A pellicle for a photomask, a reticle including the same, and an exposure apparatus for lithography are provided. The pellicle may include a pellicle membrane, and the pellicle membrane may include nanocrystalline graphene. The nanocrystalline graphene may have defects. The nanocrystalline graphene may include a plurality of nanoscale crystal grains, and the nanoscale crystal grains may include a two-dimensional (2D) carbon structure having an aromatic ring structure. The defects of the nanocrystalline graphene may include at least one of an sp3 carbon atom, an oxygen atom, a nitrogen atom, or a carbon vacancy.
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公开(公告)号：US10809961B2
公开(公告)日：2020-10-20
申请号：US16554117
申请日：2019-08-28
发明人： Sangwon Kim , Jeongryeol Seo
摘要： A display apparatus includes a plurality of cabinets arranged adjacently to each other to provide a display screen, at least one sensor, and a main processor. Each cabinet of the plurality of cabinets includes a display module, a sub-processor configured to be activated in a stand-by mode, and a processor. A first sub-processor included in a first cabinet connected to the sensor, among the plurality of cabinets, is configured to, based on a signal being received from the sensor in the stand-by mode, activate a first processor in an inactivated state included in the first cabinet, and provide state information of the first processor to a second sub-processor included in a second cabinet that is adjacent to the first cabinet, and the second sub-processor is configured to activate the first processor using the state information in the stand-by mode.
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公开(公告)号：US10808142B2
公开(公告)日：2020-10-20
申请号：US15925034
申请日：2018-03-19
发明人： Sangwon Kim , Minsu Seol , Hyeonjin Shin , Dongwook Lee , Yunseong Lee , Seongjun Jeong , Alum Jung
IPC分类号： H01L21/027 , C09D165/00 , G03F7/16 , G03F7/20 , G03F7/38 , G03F7/32 , H01L21/311 , C01B32/184 , G03F7/09 , C01B32/182 , C08G61/02 , B82Y40/00 , B82Y30/00
摘要： Provided are a method of preparing a graphene quantum dot, a graphene quantum dot prepared using the method, a hardmask composition including the graphene quantum dot, a method of forming a pattern using the hardmask composition, and a hardmask obtained from the hardmask composition. The method of preparing a graphene quantum dot includes reacting a graphene quantum dot composition and an including a polyaromatic hydrocarbon compound and an organic solvent at an atmospheric pressure and a temperature of about 250° C. The polyaromatic hydrocarbon compound may include at least four aromatic rings.
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公开(公告)号：US20200327851A1
公开(公告)日：2020-10-15
申请号：US16834514
申请日：2020-03-30
发明人： Jeongryeol Seo , Sangwon Kim , Youngkook Kim
IPC分类号： G09G3/32
摘要： A display apparatus of a plurality of display apparatuses constituting a wall display includes a first board, a second board, and a plurality of display modules. The first board includes a first communication interface including a circuitry for wireless transmission, and a timing controller configured to, in response to information on an image being received, generate a plurality of driving signals for driving the plurality of display modules based on the received information and transmit the plurality of driving signals to the second board through the first communication interface. The second board includes a second communication interface including circuitry for wireless reception, a plurality of interfaces electrically connected to the plurality of display modules, and an IC chip configured to, based on the plurality of driving signals being received through the second interface, provide each of the received driving signals to each of the display modules.
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公开(公告)号：US10551735B2
公开(公告)日：2020-02-04
申请号：US15946087
申请日：2018-04-05
发明人： Seongjun Jeong , Hyeonjin Shin , Sangwon Kim , Seongjun Park , Minsu Seol , Dongwook Lee , Yunseong Lee , Alum Jung
摘要： A pellicle composition for a photomask, a pellicle for a photomask, the pellicle for a photomask being formed from the pellicle composition, a method of forming the pellicle, a reticle including the pellicle, and an exposure apparatus for lithography including the reticle are provided. The pellicle composition includes: at least one selected from graphene quantum dots and a graphene quantum dot precursor, the graphene quantum dots having a size of about 50 nm or less; and a solvent.
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