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公开(公告)号：US11382244B2
公开(公告)日：2022-07-05
申请号：US16566221
申请日：2019-09-10
Inventor： Seong Jun Kim , Choon Gi Choi , Tam Van Nguyen , Bok Ki Min , Shuvra Mondal , Yoonsik Yi
Abstract: Provided is a temperature-pressure complex sensor with an anti-radiation property including a first sensing material which is a porous conductive film, and second sensing materials which are dispersedly disposed on a surface of the first sensing material. The second sensing materials may include a conductive structure having a two-dimensional crystal structure, and nanoparticles having a radiation shielding property which are disposed between crystal layers of the conductive structure.
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公开(公告)号：US09182541B2
公开(公告)日：2015-11-10
申请号：US13794582
申请日：2013-03-11
Inventor： Jin Tae Kim , Choon Gi Choi
CPC classification number: G02B6/02 , G02F1/011 , G02F1/0136 , G02F2203/10
Abstract: Provided is a graphene optical device. The optical device includes a lower clad, an optical waveguide extended on the lower clad in a first direction, a first dielectric layer disposed on the optical waveguide, and a graphene layer extended on the first dielectric layer in a second direction.
Abstract translation: 提供了一种石墨烯光学器件。 光学器件包括下包层，在第一方向上延伸在下包层上的光波导，设置在光波导上的第一介电层和在第二方向上延伸在第一介电层上的石墨烯层。
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公开(公告)号：US09178032B2
公开(公告)日：2015-11-03
申请号：US14163577
申请日：2014-01-24
Inventor： Young-Jun Yu , Hongkyw Choi , Jin Sik Choi , Kwang Hyo Chung , Jin Tae Kim , Doo Hyeb Youn , Choon Gi Choi
IPC: G01N27/414 , H01L29/66 , G01N27/12
CPC classification number: H01L29/66 , G01N27/128
Abstract: Provided is a gas sensor including a substrate, a sensing electrode extended in a first direction on the substrate, and a plurality of heaters disposed in a second direction crossing the first direction on the substrate. The plurality of heaters is separated at both sides of the sensing electrode. The plurality of heaters includes graphene.
Abstract translation: 提供一种气体传感器，包括基板，在基板上沿第一方向延伸的感测电极以及沿与基板上的第一方向交叉的第二方向设置的多个加热器。 多个加热器在感测电极的两侧分离。 多个加热器包括石墨烯。
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4.发明授权Method of growing high-quality single layer graphene by using Cu/Ni multi-layer metalic catalyst, and graphene device using the same 有权使用Cu / Ni多层金属催化剂生长高质量单层石墨烯的方法，以及使用其的石墨烯装置公开(公告)号：US09586826B2
公开(公告)日：2017-03-07
申请号：US14314153
申请日：2014-06-25
Inventor： Jin Sik Choi , Hong Kyw Choi , Ki Chul Kim , Young Jun Yu , Jin Soo Kim , Choon Gi Choi
CPC classification number: C01B31/0453 , C01B32/186 , H01L21/0425 , Y10T428/24802 , Y10T428/24851
Abstract: Disclosed are a method of growing a high-quality single layer graphene by using a Cu/Ni multi-layer metallic catalyst, and a graphene device using the same. The method controls and grows a high-quality single layer graphene by using the Cu/Ni multilayer metallic catalyst, in which a thickness of a nickel lower layer is fixed and a thickness of a copper upper layer is changed in a case where a graphene is grown by a CVD method. According to the method, it is possible to obtain a high-quality single layer graphene, and improve performance of a graphene application device by utilizing the high-quality single layer graphene and thus highly contribute to industrialization of the graphene application device.
Abstract translation: 公开了通过使用Cu / Ni多层金属催化剂生长高质量单层石墨烯的方法和使用其的石墨烯装置。 该方法通过使用Cu / Ni多层金属催化剂来控制和生长高质量的单层石墨烯，其中在下列情况下，固定有镍下层的厚度和铜上层的厚度，在石墨烯为 通过CVD法生长。 根据该方法，可以通过利用高品质的单层石墨烯来获得高品质的单层石墨烯，并提高石墨烯应用装置的性能，从而对石墨烯应用装置的工业化起到非常重要的作用。
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公开(公告)号：US20160099386A1
公开(公告)日：2016-04-07
申请号：US14969568
申请日：2015-12-15
Inventor： Doo Hyeb YOUN , Young-Jun Yu , Kwang Hyo Chung , Choon Gi Choi
CPC classification number: H01L33/42 , H01L33/32 , H01L33/325 , H01L33/38 , H01L2933/0016
Abstract: A light emitting diode includes: a substrate; an n-type semiconductor layer disposed on the substrate; an active layer disposed on the n-type semiconductor layer; a p-type semiconductor layer disposed on the active layer; a first electrode disposed on the p-type semiconductor layer and made of a metal oxide; a second electrode disposed on the first electrode and made of graphene; a p-type electrode disposed on the second electrode; and an n-type electrode disposed on the n-type semiconductor layer, wherein a work function of the first electrode is less than a work function of the p-type semiconductor layer, but is greater than a to work function of the second electrode.
Abstract translation: 发光二极管包括：基板; 设置在所述基板上的n型半导体层; 设置在所述n型半导体层上的有源层; 设置在有源层上的p型半导体层; 设置在所述p型半导体层上并由金属氧化物构成的第一电极; 设置在第一电极上并由石墨烯制成的第二电极; 设置在所述第二电极上的p型电极; 以及设置在n型半导体层上的n型电极，其中第一电极的功函数小于p型半导体层的功函数，但大于第二电极的功函数。
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Patent Agency Ranking
公开(公告)号：US20140105553A1
公开(公告)日：2014-04-17
申请号：US13794582
申请日：2013-03-11
Inventor： Jin Tae KIM , Choon Gi Choi
IPC: G02B6/02
CPC classification number: G02B6/02 , G02F1/011 , G02F1/0136 , G02F2203/10
Abstract: Provided is a graphene optical device. The optical device includes a lower clad, an optical waveguide extended on the lower clad in a first direction, a first dielectric layer disposed on the optical waveguide, and a graphene layer extended on the first dielectric layer in a second direction.
Abstract translation: 提供了一种石墨烯光学器件。 光学器件包括下包层，在第一方向上延伸在下包层上的光波导，设置在光波导上的第一介电层和在第二方向上延伸在第一介电层上的石墨烯层。
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公开(公告)号：US11828718B2
公开(公告)日：2023-11-28
申请号：US17314038
申请日：2021-05-06
Inventor： Choon Gi Choi , Mondal Shuvra , Bok Ki Min , Yoonsik Yi
CPC classification number: G01N27/121 , G01K7/02 , G01K7/16 , H01H13/04 , H01H13/70
Abstract: Provided is a button device including a humidity sensor. The button device includes a substrate having a plurality of sensing regions, a housing on the substrate, the housing separating a first sensing region of the plurality of sensing regions from other sensing regions, a porous structure within the housing, the porous structure having through-holes, a first electrode on the porous structure, a second electrode on the porous structure, the second electrode being electrically connected to the first electrode through the porous structure, and a temperature sensor disposed adjacent to the first sensing region to sense a temperature of the first sensing region, The porous structure includes a body having an outer surface defining the through-holes, the body having an air gap therein.
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公开(公告)号：US10138513B2
公开(公告)日：2018-11-27
申请号：US14554863
申请日：2014-11-26
Inventor： Kwang Hyo Chung , Jin Tae Kim , Yo Han Choi , Choon Gi Choi , Hong Kyw Choi , Young Jun Yu , Doo Hyeb Youn , Jin Sik Choi
Abstract: Provided is a gene amplifying and detecting device. The gene amplifying and detecting device includes: a gene amplifying chip including a chamber formed therein; a reaction solution filled in the chamber and including a fluorescent material; a light source located at one side of the gene amplifying chip; a light detector located at the other side of the gene amplifying chip; and a graphene heater formed on an inner surface or outer surface of the gene amplifying chip so as to heat the reaction solution.
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9.发明授权Method of manufacturing a junction electronic device having a 2-dimensional material as a channel 有权制造具有2维材料作为通道的结电子器件的方法公开(公告)号：US09275860B2
公开(公告)日：2016-03-01
申请号：US14258416
申请日：2014-04-22
Inventor： Young Jun Yu , Jin Soo Kim , Hong Kyw Choi , Jin Sik Choi , Jin Tae Kim , Kwang Hyo Chung , Doo Hyeb Youn , Choon Gi Choi
IPC: H01L21/00 , H01L21/02 , H01L29/778 , H01L29/24
CPC classification number: H01L21/02628 , B82Y10/00 , H01L21/02381 , H01L21/02422 , H01L21/02568 , H01L21/0259 , H01L29/0665 , H01L29/0673 , H01L29/1606 , H01L29/24 , H01L29/778
Abstract: A method of manufacturing a junction electronic device having a 2-Dimensional (2D) material as a channel, includes forming a pattern portion by surface-treating a substrate so that the patterned portion has a higher surface potential than other portions of the substrate; bonding a 2D material to rthe patterned portion having the higher surface potential by spraying a liquid including 2D material flakes onto the substrate; forming a pair of first electrodes in contact with both ends of the 2D material disposed on the substrate; forming a dielectric layer on the first electrodes and the 2D material; and forming a second electrode on the dielectric layer. The 2D materials are disposed at desired positions by chemical exfoliation.
Abstract translation: 制造具有二维（2D）材料作为通道的结电子器件的方法包括通过对衬底进行表面处理形成图形部分，使得图案化部分具有比衬底的其它部分更高的表面电位; 通过将包括2D材料薄片的液体喷涂到基底上，将2D材料结合到具有较高表面电位的图案化部分; 形成与设置在所述基板上的所述2D材料的两端接触的一对第一电极; 在所述第一电极和所述2D材料上形成介电层; 以及在所述电介质层上形成第二电极。 通过化学剥离将2D材料设置在期望的位置。
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公开(公告)号：US20140103296A1
公开(公告)日：2014-04-17
申请号：US13797703
申请日：2013-03-12
Inventor： Young-Jun YU , Choon Gi Choi
IPC: G01N27/414
CPC classification number: G01N27/414 , B82Y15/00 , B82Y40/00 , G01N27/127
Abstract: Provided is a graphene nanoribbon sensor. The sensor includes a substrate, a graphene layer formed on the substrate in a first direction, and an upper dielectric layer on the graphene layer. Here, the graphene layer may have a plurality of electrode regions respectively separated in the first direction and a channel between the plurality of electrode regions.
Abstract translation: 提供了一种石墨烯纳米纤维传感器。 传感器包括基板，在第一方向上形成在基板上的石墨烯层和石墨烯层上的上介电层。 这里，石墨烯层可以具有分别在第一方向上分离的多个电极区域和多个电极区域之间的沟道。
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