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公开(公告)号:US08730578B1
公开(公告)日:2014-05-20
申请号:US13782150
申请日:2013-03-01
Inventor: Young Soon Heo , Hyun Seo Kang , Young Sun Kim , Hyoung Jun Park , Kwon-Seob Lim , Keo-Sik Kim , Eun Kyoung Jeon
IPC: G02B17/00
CPC classification number: G02B19/0042 , G02B6/0006 , G02B6/06 , G02B6/262
Abstract: A sunlight coupler is provided, the sunlight coupler may include a beam integrator configured to concentrate beams of sunlight, which may be incident from a plurality of optical fibers, in the form of a single beam, a triplet lens focusing the concentrated beam on a specific position, and an optical fiber provided for transmission of the focused sunlight. The optical fiber may be a thermally-diffusion expand core fiber.
Abstract translation: 提供了一种太阳光耦合器,太阳光耦合器可以包括光束积分器,该光束积分器被配置为将单个光束形式的可能从多根光纤入射的太阳光束集中在一起,将聚光束聚焦在特定的光束上 位置,以及为聚焦太阳光的透过而设置的光纤。 光纤可以是热扩散膨胀芯纤维。
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公开(公告)号:US10833763B2
公开(公告)日:2020-11-10
申请号:US16699964
申请日:2019-12-02
Inventor: Hyun Seo Kang , Chan Il Yeo , Young Soon Heo , Kye Eun Kim , Sung Chang Kim , Ji Hyoung Ryu , Si Woong Park , Keo Sik Kim , Gi Hyeon Min , Hyoung Jun Park , Dong Hoon Son , Mun Seob Lee
IPC: H04B10/00 , H04B10/112 , H04B10/40 , H04J14/00 , H04J14/02
Abstract: A wireless optical communication apparatus for performing bi-directional optical transmission in a free space includes a first optical system configured to transmit data through a downlink scheme and a second optical system configured to receive the data from the first optical system and transmit a control signal to the first optical system through an uplink scheme, wherein each of the first optical system and the second optical system transmits and receives the data and the control signal through a single port.
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公开(公告)号:US10338326B2
公开(公告)日:2019-07-02
申请号:US15581852
申请日:2017-04-28
Inventor: Jeong Eun Kim , Hyun Seo Kang , Keo Sik Kim , Sung Chang Kim , Young Sun Kim , Ji Hyoung Ryu , Hyoung Jun Park , Dong Hoon Son , Chan Il Yeo , Young Soon Heo
Abstract: Provided are a multi-channel optical subassembly structure allowing an optical unit including a light source photodetector chip to be fixed through an alignment jig after active alignment is performed on an individual or single light source photodetector chip by using the alignment jig capable of electrical coupling and one electrode pad and the other electrode pad of a thermoelectric element, which are wire-bonded, capable of performing active alignment for each light source photodetector chip, that is, for each channel, capable of replacing the optical unit and the alignment jig when a problem occurs in some or all channels, capable of improving optical coupling efficiency for each channel, and capable of addressing a time-consuming and economically expensive work in which an optical subassembly is discarded when some channels fail, and a method of packaging the structure.
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公开(公告)号:US10057451B2
公开(公告)日:2018-08-21
申请号:US14869573
申请日:2015-09-29
Inventor: Jeong Eun Kim , Hyun Seo Kang , Hyoung Jun Park , Dae Won Choi , Jai Sang Koh , Keo Sik Kim , Young Sun Kim , Ji Hyoung Ryu , Kwon Seob Lim , Eun Kyoung Jeon , Young Soon Heo
IPC: H04N1/21 , G03B15/14 , G03B15/02 , F21V21/30 , F21V21/26 , F21V21/14 , F21S2/00 , F21V14/02 , A61B90/30 , F21W131/20 , F21W131/205 , F21Y115/10
CPC classification number: H04N1/2112 , A61B90/30 , F21S2/005 , F21V14/02 , F21V21/14 , F21V21/26 , F21V21/30 , F21W2131/20 , F21W2131/205 , F21Y2115/10 , G03B15/02 , G03B15/14 , G03B2215/0567
Abstract: Disclosed herein are an astral lamp device having detachable and angle-controllable LED module blocks and a method of setting the same. The astral lamp device having detachable and angle-controllable LED module blocks, includes a plurality of LED module blocks having one end attached to and disposed on a central frame; and an angle control part configured to control an angle of the LED module block attached to the central frame.
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公开(公告)号:US10018791B2
公开(公告)日:2018-07-10
申请号:US15709247
申请日:2017-09-19
Inventor: Young Soon Heo , Hyun Seo Kang , Keo Sik Kim , Sung Chang Kim , Young Sun Kim , Jeong Eun Kim , Hee Seung Kim , Ji Hyoung Ryu , Hyoung Jun Park , Dong Hoon Son , Chan Il Yeo
CPC classification number: G02B6/423 , G02B6/4244 , G02B6/4249 , G02B6/425 , G02B6/428
Abstract: Provided is a multi-channel optical subassembly. The multi-channel optical subassembly includes a first sub-mount including first and second areas having different thicknesses, a photoelectric device provided in the first area, a circuit board provided in the second area, a second sub-mount inserted into and fastened to the first guide hole and coupled to the first sub-mount, an optical fiber array fixed to the second sub-mount to provide a path through which light emitted from the photoelectric device is received or transferred, and a micro-lens array mounted on the second sub-mount. The first guide hole is provided in one of the first and second areas. The micro-lens array includes a lens collecting the light between the photoelectric device and the optical fiber array.
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公开(公告)号:US09857535B2
公开(公告)日:2018-01-02
申请号:US15096171
申请日:2016-04-11
Inventor: Young Soon Heo , Hyun Seo Kang , Keo Sik Kim , Jeong Eun Kim , Ji Hyoung Ryu , Hyoung Jun Park
CPC classification number: G02B6/29367 , G02B6/2938 , G02B6/32 , G02B6/4208 , G02B6/4221 , G02B6/4227 , G02B6/4263
Abstract: A method of packaging a multi-channel optical receiver module and a package of the same are provided. The method includes installing a first lens on a sub-mount; aligning an optical block including a plurality of filters on the sub-mount; installing the aligned optical block on the sub-mount; aligning a second lens on the sub-mount; installing the aligned second lens on the sub-mount; and coupling the sub-mount to a TO-stem. The aligning of the optical block transmits light incident through the first lens to the plurality of filters, transmits light beams transmitted through the plurality of filters to an object lens, monitors positions of and intervals between the light beams transmitted through an infrared (IR) camera and aligns the optical block so that the intervals between the light beams transmitted through the plurality of filters are identical.
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公开(公告)号:US09129882B2
公开(公告)日:2015-09-08
申请号:US14500764
申请日:2014-09-29
Inventor: Eun Kyoung Jeon , Hyun Seo Kang , Kwon-Seob Lim , Hyoung Jun Park , Keo-Sik Kim , Jeong Eun Kim , Young Sun Kim , Young Soon Heo
IPC: H01L21/44 , H01L29/16 , H01L21/283 , H01L21/306 , H01L21/308
CPC classification number: H01L29/1606 , H01L21/3081
Abstract: Provided is a method of fabricating a graphene nano device. The method includes forming a first metal mask pattern on a substrate on which a graphene layer is formed, and forming a graphene pattern by performing an etching process on the graphene layer using the first metal mask pattern as an etching mask. The forming of the first metal mask pattern includes forming a first adhesive layer on the graphene layer, disposing the first metal mask pattern prepared in advance on the first adhesive layer, and heating the first adhesive layer to attach the first metal mask pattern on the substrate.
Abstract translation: 提供了一种制造石墨烯纳米器件的方法。 该方法包括在其上形成有石墨烯层的基板上形成第一金属掩模图案,并且通过使用第一金属掩模图案作为蚀刻掩模对石墨烯层进行蚀刻处理来形成石墨烯图案。 第一金属掩模图案的形成包括在石墨烯层上形成第一粘合剂层,将预先制备的第一金属掩模图案设置在第一粘合剂层上,并加热第一粘合剂层以将第一金属掩模图案附着在基板上 。
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