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公开(公告)号：US20210095174A1
公开(公告)日：2021-04-01
申请号：US17034702
申请日：2020-09-28
发明人： Jong Nam Ahn , Hye Jin Kim
摘要： Provided is an antistatic polyimide-based film. More particularly, as an antistatic polyimide-based film for a window cover for protecting a surface of a display device, a window cover film having a protective film formed on the polyimide-based film provides an improvement to a problem of not being used as a film for a display window cover because a portion of the protective film remains on a base layer or a hard coating layer without being peeled off due to static electricity in the protective film or the base layer, or a hard coating layer, or the hard coating layer is peeled off with some or all of the protective film when the protective film is peeled off.
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2.发明授权公开(公告)号：US10854864B2
公开(公告)日：2020-12-01
申请号：US16543994
申请日：2019-08-19
发明人： Yun Bong Kim , Won Sub Kwack , Hye Jin Kim , Su Ji Lee , Kyu Young Cho
IPC分类号： H01M4/02 , H01M2/16 , H01M10/0525
摘要： Provided are a separator for a lithium secondary battery and a lithium secondary battery comprising the same. The separator for a lithium secondary battery includes: a porous substrate; and a coating layer disposed on one side or both sides of the porous substrate and including a first inorganic particle and a second inorganic particle having different lengths of a major axis, and a binder, wherein a moisture content is less than 800 ppm after being left for 12 hours at a temperature of 40° C. and relative humidity of 90%.
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公开(公告)号：US10431805B2
公开(公告)日：2019-10-01
申请号：US15366649
申请日：2016-12-01
发明人： Hye Jin Kim , Won Sub Kwack , Min Sang Park
摘要： A separator for a secondary cell includes a porous polymer substrate having a first surface, a second surface opposing the first surface, and a plurality of pores connecting the first surface to the second surface; and heat-resistant coating layers formed on at least one of the first surface and the second surface of the porous polymer substrate and on internal surfaces of the pores using an atomic layer deposition process (ALD). Pores having a non-coated region are present in the internal surfaces of the pores.
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公开(公告)号：US11969693B2
公开(公告)日：2024-04-30
申请号：US17235455
申请日：2021-04-20
发明人： Dong Jin Joo , Kyu Young Cho , Yun Bong Kim , Su Ji Lee , Won Sub Kwack , Hye Jin Kim
IPC分类号： B01D67/00 , B01D71/26 , B05C1/08 , B29C55/18 , C08J5/18 , C08J7/04 , C08L23/06 , B29C55/00 , B29K23/00
CPC分类号： B01D67/0088 , B01D71/261 , B05C1/0808 , B05C1/0813 , B05C1/0826 , B29C55/18 , C08J5/18 , C08J7/0427 , C08L23/06 , B01D2323/42 , B29C55/005 , B29K2023/0683 , C08J2323/06 , C08J2429/04 , C08J2433/04
摘要： Provided is an ultra large-width coating device applied to a consecutive process. More particularly, the present invention relates to a coating device capable of maximizing productivity by consecutively manufacturing a large-width film without reducing physical properties of the manufactured film by overcoming a problem in that a coating width is limited during a coating process using the existing contact type coating roller, and a method for manufacturing an ultra large-width membrane using the same.
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公开(公告)号：US20210100120A1
公开(公告)日：2021-04-01
申请号：US17034448
申请日：2020-09-28
发明人： Jong Nam Ahn , Hye Jin Kim
IPC分类号： H05K5/03
摘要： The present invention relates to a new window cover film protecting a flexible display panel. Specifically, provided is a window cover film protecting a surface of a display device, the window cover film including a protective film formed on a base layer or a hard coating layer of a hard coating film having the base layer and the hard coating layer, and having no problem that the window cover film cannot be used as a display window cover film because a part of the protective film is not peeled off due to static electricity generated in the protective film, the base layer, or the hard coating layer when the protective film is peeled off, and the protective film remains on the base layer or a hard coating layer or the hard coating layer is partially or entirely peeled off.
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公开(公告)号：US20210095085A1
公开(公告)日：2021-04-01
申请号：US17034384
申请日：2020-09-28
发明人： Jong Nam Ahn , Keon Hyeok Ko , Byoung Sun Ko , Hye Jin Kim , Je Seung Park , Jin Su Park , A Ran Hwang
摘要： The present invention relates to a window cover film and a flexible display panel including the same. More particularly, the present invention relates to a window cover film including a base layer and a hard coating layer, and a flexible display panel including the same. Since the window cover film of the present invention has high surface hardness, flexibility, the excellent bending properties, the window cover film may be restored to the original form without permanent deformation and/or damage of the hard coating layer and the window cover film even though a predetermined deformation is repeated.
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公开(公告)号：US12038559B2
公开(公告)日：2024-07-16
申请号：US17237130
申请日：2021-04-22
发明人： Hye Jin Kim , Byoung Sun Ko , Min Sang Park
IPC分类号： G02B1/14 , B32B27/34 , G02B1/04 , G02F1/1333 , G06F1/16
CPC分类号： G02B1/14 , B32B27/34 , G02B1/04 , G02F1/133305 , G06F1/1652 , B32B2307/51 , B32B2457/202 , B32B2457/206 , C09K2323/03 , C09K2323/06
摘要： Provided are a window cover film and a display panel including the same. More specifically, a window cover film includes a polyimide-based film, and an inorganic thin film layer and a hard coating layer formed on at least one surface of the polyimide-based film. A light transmittance measured at 388 nm is 50% or less and a total light transmittance measured at 400 to 700 nm is 87% or more, is provided.
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公开(公告)号：US11970592B2
公开(公告)日：2024-04-30
申请号：US17034384
申请日：2020-09-28
发明人： Jong Nam Ahn , Keon Hyeok Ko , Byoung Sun Ko , Hye Jin Kim , Je Seung Park , Jin Su Park , A Ran Hwang
CPC分类号： C08J7/042 , C08J7/046 , C09D5/1693
摘要： The present invention relates to a window cover film and a flexible display panel including the same. More particularly, the present invention relates to a window cover film including a base layer and a hard coating layer, and a flexible display panel including the same. Since the window cover film of the present invention has high surface hardness, flexibility, the excellent bending properties, the window cover film may be restored to the original form without permanent deformation and/or damage of the hard coating layer and the window cover film even though a predetermined deformation is repeated.
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公开(公告)号：US11531143B2
公开(公告)日：2022-12-20
申请号：US17034233
申请日：2020-09-28
发明人： Hye Jin Kim , Min Sang Park , Keon Hyeok Ko
摘要： Provided are a window cover film and a flexible display panel including the same. More preferably, a window cover film including a transparent film and a hard coating layer and a flexible display panel including the same are provided.
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公开(公告)号：US11518921B2
公开(公告)日：2022-12-06
申请号：US17034702
申请日：2020-09-28
发明人： Jong Nam Ahn , Hye Jin Kim
摘要： Provided is an antistatic polyimide-based film. More particularly, as an antistatic polyimide-based film for a window cover for protecting a surface of a display device, a window cover film having a protective film formed on the polyimide-based film provides an improvement to a problem of not being used as a film for a display window cover because a portion of the protective film remains on a base layer or a hard coating layer without being peeled off due to static electricity in the protective film or the base layer, or a hard coating layer, or the hard coating layer is peeled off with some or all of the protective film when the protective film is peeled off.
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