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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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公开(公告)号：US09257610B2
公开(公告)日：2016-02-09
申请号：US14290192
申请日：2014-05-29
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 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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公开(公告)号：US08981345B2
公开(公告)日：2015-03-17
申请号：US13797703
申请日：2013-03-12
Inventor： Young-Jun Yu , Choon Gi Choi
IPC: H01L29/06 , G01N27/414 , G01N27/12 , B82Y15/00
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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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：US10545114B2
公开(公告)日：2020-01-28
申请号：US15947213
申请日：2018-04-06
Inventor： Doo Hyeb Youn , Sun Jin Yun , Changbong Yeon , Young-Jun Yu , HongKyw Choi
IPC: G01N27/414 , G01N31/10 , G01N27/12 , D01D5/00
Abstract: Provided is a chemical sensor which includes an alignment frame that has an opening that passes through the inside of the alignment frame and includes first and second side portions that face each other with the opening therebetween and insulation portions disposed between the first and second side portions, a plurality of sensing fibers disposed in two-dimensions across the opening of the alignment frame so as to connect the first side portion and the second side portion, and a source pattern and a drain pattern connected to the first side portion and the second side portion of the alignment frame, respectively.
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公开(公告)号：US10361313B2
公开(公告)日：2019-07-23
申请号：US15465740
申请日：2017-03-22
Inventor： Doo Hyeb Youn , Sun Jin Yun , Changbong Yeon , Young-Jun Yu
IPC: H01L21/04 , H01L29/16 , H01L29/24 , H01L29/45 , H01L29/66 , H01L21/445 , H01L29/772 , H01L29/786 , H01L21/4763
Abstract: Disclosed are an electronic device and a method of fabricating the same. The method of fabricating an electronic device comprises providing on a substrate a channel layer including a two-dimensional material, providing a metal fiber layer on a first surface of a conductive layer, providing the metal fiber layer on the channel layer, and performing a thermal treatment process to form a junction layer where a portion of the metal fiber layer is covalently bonded to a portion of the channel layer.
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公开(公告)号：US10240256B2
公开(公告)日：2019-03-26
申请号：US15592275
申请日：2017-05-11
Inventor： Doo Hyeb Youn , Sun Jin Yun , Changbong Yeon , Young-Jun Yu
IPC: D01D5/00
Abstract: An electro spinning apparatus according to embodiments of the inventive concept includes a nozzle unit discharging nano fiber on a substrate, and an alignment device having the substrate disposed thereon and aligning the nano fiber, wherein the alignment device includes a body and an angle adjustment unit adjusting an angle formed by a straight line connecting two electrodes disposed to face each other among the electrodes and the substrate.
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公开(公告)号：US09291836B2
公开(公告)日：2016-03-22
申请号：US14184107
申请日：2014-02-19
Inventor： Jin Tae Kim , Kwang Hyo Chung , Young-Jun Yu , Choon Gi Choi
CPC classification number: G02F1/0147 , G02F1/011 , G02F2203/10 , Y10T29/49002
Abstract: Provided are an optical modulator modulating optical signals and an optical module including the same. The optical modulator includes a lower clad layer, an optical transmission line extended in a first direction on the lower clad layer, and an upper clad layer on the optical transmission line and the lower clad layer. The optical transmission line may include graphene.
Abstract translation: 提供了调制光信号的光调制器和包括其的光模块。 光调制器包括下包层，在下包层上沿第一方向延伸的光传输线，以及光传输线和下包层上的上覆层。 光传输线可以包括石墨烯。
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公开(公告)号：US09023166B2
公开(公告)日：2015-05-05
申请号：US13923490
申请日：2013-06-21
Inventor： Jin Sik Choi , Young-Jun Yu , Jin Tae Kim , Kwang Hyo Chung , Doo Hyeb Youn , Choon Gi Choi
CPC classification number: C01B31/0484 , C01B32/194
Abstract: A method of transferring graphene is provided. A method of transferring graphene in accordance with an exemplary embodiment of the present invention may include forming a graphene layer by composing graphene and a base layer, depositing a self-assembled monolayer on the graphene layer, and separating a combination layer comprising the self-assembled monolayer and the graphene layer from the base layer.
Abstract translation: 提供了转移石墨烯的方法。 根据本发明的示例性实施方式的转移石墨烯的方法可以包括通过组成石墨烯和基层来形成石墨烯层，在石墨烯层上沉积自组装单层，以及分离包含自组装的组合层 单层和从基层的石墨烯层。
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