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1.
公开(公告)号:US20220131233A1
公开(公告)日:2022-04-28
申请号:US17506174
申请日:2021-10-20
Inventor: Young-Gi LEE , Ju Young KIM , Seok Hun KANG , Kwang Man KIM , YOUNG SAM PARK , Dong Ok SHIN
IPC: H01M50/451 , C09D5/02 , C09D133/06 , C09D133/02 , H01M50/403
Abstract: Provided is a method of preparing a coating composition for a separator of a secondary battery, and particularly a method including dispersing a first monomer and a surfactant in a solvent to form micelles, adding a first initiator to the solvent and performing first polymerization reaction to form a precursor solution including an emulsion-type binder, and adding a second monomer and a second initiator to the precursor solution and performing second polymerization reaction to form an aqueous binder solution including a solution-type binder, wherein the emulsion-type binder has a core shape, the solution-type binder has a shell shape wrapping the emulsion-type binder, and the emulsion-type binder and the solution-type binder are chemically bonded.
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公开(公告)号:US20220115738A1
公开(公告)日:2022-04-14
申请号:US17393029
申请日:2021-08-03
Inventor: Ju Young KIM , Young-Gi LEE , Seok Hun KANG , YOUNG SAM PARK , Kwang Man KIM
IPC: H01M50/403 , H01M4/62 , H01M50/417 , H01M50/451
Abstract: Provided is a method of manufacturing a secondary battery separator including dissolving a polymer binder in water to prepare an aqueous binder solution, dispersing particles in the aqueous binder solution to prepare an aqueous slurry, and preparing a separator substrate, and applying the aqueous slurry on an upper surface and a lower surface of the separator substrate to form an aqueous slurry coating layer, wherein the separator substrate includes a hydrophobic material, the polymer binder is water-soluble, and the aqueous slurry has a viscosity of about 100 cP to about 6000 cP.
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公开(公告)号:US20220036104A1
公开(公告)日:2022-02-03
申请号:US17331300
申请日:2021-05-26
Inventor: YOUNG SAM PARK , Seung Youl KANG , Chul Woong JOO , Jae-Eun PI
IPC: G06K9/00 , G02F1/1339 , G02F1/1343 , G02B27/10
Abstract: Disclosed are a biometric device and a biometric system including the same. The device includes a hiogenic-synthesized film, a reflective layer disposed on one side of the biogenic-synthesized film, a light source disposed on the reflective layer to generate light, a beam splitter disposed between the light source and the reflective layer to provide the light to the reflective layer and another side of the biogenic-synthesized film, and a light switching layer disposed between the beam splitter and the reflective layer to switch the light provided to the reflective layer.
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公开(公告)号:US20240304856A1
公开(公告)日:2024-09-12
申请号:US18596329
申请日:2024-03-05
Inventor: Seokyoon YOON , YOUNG SAM PARK , Seok Hun KANG , Jaecheol CHOI , Dong Ok SHIN , Young-Gi LEE , Ju Young KIM , Jinyoung KIM
IPC: H01M10/0562 , H01M10/052 , H01M10/058 , H01M50/403 , H01M50/44
CPC classification number: H01M10/0562 , H01M10/052 , H01M10/058 , H01M50/403 , H01M50/44 , H01M2300/0091
Abstract: Provided is a lithium secondary battery including a first electrode, a second electrode spaced apart from the first electrode, a solid electrolyte disposed between the first electrode and the second electrode, wherein the solid electrolyte includes a fibril and a plurality of sulfide particles, the fibril includes polytetrafluoroethylene, the fibril surrounds at least some of the sulfide particles or is in contact with at least some of the sulfide particles.
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5.
公开(公告)号:US20180047905A1
公开(公告)日:2018-02-15
申请号:US15596659
申请日:2017-05-16
Inventor: Jaehyun MOON , Jong Tae LIM , YOUNG SAM PARK , Jin Wook SHIN , Byoung Gon YU , Hyunkoo LEE , Jong Chan JEONG , Nam Sung CHO , Doo-Hee CHO , Jun-Han HAN
IPC: H01L51/00
CPC classification number: H01L51/0021 , H01L51/5215 , H01L51/5234
Abstract: Provided is a method for manufacturing an electronic device including a transparent conductive structure, the method including preparing a transparent electrode in which, among a first region and a second region, the first region is selectively surface-modified, preparing a mixed composition including a first composition and a second composition having a different polarity from the first composition, and applying the mixed composition onto the transparent electrode, wherein the applied mixed composition is disposed in the surface modified first region, and the mixed composition disposed in the first region is phase-separated into a first composition layer and a second composition layer disposed on the first composition layer.
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公开(公告)号:US20170108621A1
公开(公告)日:2017-04-20
申请号:US15294078
申请日:2016-10-14
Inventor: YOUNG SAM PARK , Doo-Hee CHO , JEONG IK LEE , Jonghee LEE , Seongdeok AHN , Byoung Gon YU , Nam Sung CHO
Abstract: Provided are an optical device and a manufacturing method thereof. The method of manufacturing an optical device may include providing a substrate structure, and depositing an array including curved structures on the substrate structure. The curved structures may include a crystalline organic compound.
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公开(公告)号:US20230261323A1
公开(公告)日:2023-08-17
申请号:US17900786
申请日:2022-08-31
Inventor: YOUNG SAM PARK , Ju Young Kim , Jinyoung Kim , Seok Hun Kang , Young-Gi Lee , Dong Ok Shin , Seokyoon Yoon , Jaecheol Choi
IPC: H01M50/457 , H01M50/417 , H01M50/434 , H01M50/403 , H01M50/489
CPC classification number: H01M50/457 , H01M50/417 , H01M50/434 , H01M50/403 , H01M50/489
Abstract: Provided is a secondary battery including: a first electrode structure; a second electrode structure spaced apart from the first electrode structure; a separator between the first electrode structure and the second electrode structure; and an electrolyte filled between the first electrode structure and the separator and between the second electrode structure and the separator, wherein the separator includes: a separator substrate; a polymer layer adsorbed on a surface of the separator substrate; and a ceramic layer on the polymer layer, the polymer layer including a polyethyloxazoline-based polymer, and the ceramic layer including an aqueous binder.
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公开(公告)号:US20220137436A1
公开(公告)日:2022-05-05
申请号:US17492387
申请日:2021-10-01
Inventor: Doo-Hee CHO , Byoung-Hwa KWON , YOUNG SAM PARK , Jin Wook SHIN , Nam Sung CHO , Hyunsu CHO
Abstract: Provided is a nano structure for controlling optical properties of an optical device. The nano structure includes a substrate, a surface modification layer provided on the substrate to modify surface energy of the substrate, and a capping layer provided on the surface modification layer. The capping layer includes a convex portion having a convex profile away from the surface modification layer and a concave portion that is in contact with the surface modification layer.
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9.
公开(公告)号:US20180166583A1
公开(公告)日:2018-06-14
申请号:US15812231
申请日:2017-11-14
Inventor: Doo-Hee CHO , YOUNG SAM PARK , Chunwon BYUN , Byoung Gon YU , Jonghee LEE , Hyunkoo LEE , Nam Sung CHO
IPC: H01L29/786 , H01L21/683 , H01L51/00 , H01L21/288 , H01L51/05 , H01L21/02 , H01L51/10 , H01L29/423
CPC classification number: H01L29/78603 , H01L21/02002 , H01L21/02288 , H01L21/02532 , H01L21/02554 , H01L21/02565 , H01L21/02628 , H01L21/288 , H01L21/683 , H01L21/6835 , H01L29/423 , H01L29/42356 , H01L29/66765 , H01L29/66969 , H01L29/786 , H01L29/78636 , H01L29/78651 , H01L29/7869 , H01L51/0004 , H01L51/0021 , H01L51/0055 , H01L51/0545 , H01L51/10 , H01L2221/68318 , H01L2221/6835
Abstract: Embodiments of the inventive concepts provide a method of fabricating a flexible substrate and the flexible substrate fabricated thereby. The method includes printing a gate catalyst pattern on a separation layer, forming a gate plating pattern on the gate catalyst pattern, forming a gate insulating layer on the gate plating pattern, printing a source catalyst pattern and a drain catalyst pattern spaced apart from each other on the gate insulating layer, and forming a source plating pattern and a drain plating pattern on the source catalyst pattern and the drain catalyst pattern, respectively.
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公开(公告)号:US20170317312A1
公开(公告)日:2017-11-02
申请号:US15417624
申请日:2017-01-27
Inventor: Doo-Hee CHO , Jonghee LEE , Hyunsu CHO , Byoung-Hwa KWON , Jaehyun MOON , YOUNG SAM PARK , Jin Wook SHIN , Byoung Gon YU , Hyunkoo LEE , Jong Tae LIM , Nam Sung CHO , Jun-Han HAN
CPC classification number: H01L51/5253 , H01L51/0097 , H01L2251/5338
Abstract: Disclosed are an organic light emitting device and a method of fabricating the same. The method of fabricating an organic light emitting device comprises forming a flexible substrate, and forming an organic light emitting layer on the flexible substrate. The forming the flexible substrate comprises, forming a first polymer pattern on a first metal layer, forming a second metal layer on an exposed portion of the first metal layer through the first polymer pattern, forming a gas barrier layer on the first polymer pattern and the second metal layer, forming a second polymer layer on the gas barrier layer, and removing the first metal layer to expose a surface of the first polymer pattern and a surface of the second metal layer.
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