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公开(公告)号：US11125918B2
公开(公告)日：2021-09-21
申请号：US16591085
申请日：2019-10-02
Applicant: LG CHEM, LTD.
Inventor： Hye Min Kim , Yeong Rae Chang , Heon Kim
IPC: G02B1/14 , G02B5/30 , C09D133/14 , C09D133/06 , B32B7/02 , B05D1/40 , B05D3/06 , B32B37/00 , C08J5/18 , B29B13/08 , B29K633/04 , B29L31/34 , B29L11/00
Abstract: The present invention relates to a resin composition for a polarizer protective film, a polarizer protective film, a polarizing plate including the same, and a preparation method of a polarizing plate, and, more specifically, to a resin composition for a polarizer protective film and a polarizer protective film exhibiting high hardness and excellent properties, a polarizing plate including the same, and a preparation method of a polarizing plate. According to the polarizing plate of the present invention, it can be usefully utilized in various fields because of its excellent hardness, flexibility, and optical properties.
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公开(公告)号：US10508183B2
公开(公告)日：2019-12-17
申请号：US15508862
申请日：2015-09-16
Applicant: LG CHEM, LTD.
Inventor： Han Na Lee , Young Suk Kim , Yeong Rae Chang , Heon Kim , Soon Hwa Jung , Jin Seok Byun
IPC: C08J7/18 , B32B1/00 , C08L63/00 , B05D3/06 , C08F222/10 , C08G59/22 , C08G59/24 , C08J7/04 , B05D7/04
Abstract: The present invention relates to a plastic film and a method for manufacturing same. A plastic film, which is formed such that at least one part has a curved shape, can have high hardness, impact resistance, scratch resistance and high transparency. The plastic film is light and will not be easily damaged by external pressure and thus can substitute for the existing glass and is expected to be used for various electronic products such as a display and the like. In particular, the plastic film has at least one part in a curved shape and thereby is expected to be used for products in various shapes which cannot be manufactured by means of the existing glass. Moreover, a method for manufacturing a plastic film enables manufacturing of a plastic film having at least one part in a curved shape without curls or cracks as well as simultaneous performing of heat molding and heat curing, thereby increasing the productivity of a plastic film.
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公开(公告)号：US10312480B2
公开(公告)日：2019-06-04
申请号：US14780808
申请日：2014-06-18
Applicant: LG CHEM, LTD.
Inventor： Heon Kim , Yong Suk Kim , Yeong Rae Chang , Hye Min Kim
Abstract: A cell packing material and a method of manufacturing the same are provided. More particularly, a cell packing material including a sealant layer, a gas barrier layer formed on the sealant layer, and an outer layer formed on the gas barrier layer, the outer layer including a polyrotaxane-based compound, and a method of manufacturing the same are provided. The cell packing material includes the outer layer having excellent elongation, scratch resistance, and chemical resistance, and thus can be easily molded into a pouch, and exhibit improved durability, and the like.
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公开(公告)号：US10302833B2
公开(公告)日：2019-05-28
申请号：US15547034
申请日：2016-02-01
Applicant: LG CHEM, LTD.
Inventor： Sung Hyun Nam , Kyung Ki Hong , Eung Jin Jang , Yeong Rae Chang , Heon Kim , Kyun Il Rah , Jong Hyun Jung , Byung Sun Lee , Hong Jun Choi , Moon Soo Park , Sun Kug Kim
IPC: G02F1/1335 , G02B5/30
Abstract: The present application relates to a polarizer, a polarizing plate and a display device. The present application can provide a polarizer or a polarizing plate that is applied to various types of display devices, particularly to a display device having a highly reflective liquid crystal panel and that shows excellent characteristics. In addition, the present application can provide a display device including the polarizer or the polarizing plate.
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25.发明授权公开(公告)号：US09318541B2
公开(公告)日：2016-04-19
申请号：US14422421
申请日：2014-05-09
Applicant: LG CHEM, LTD.
Inventor： Heon Kim , Yeong Rae Chang , Hye Min Kim , Young Suk Kim , Soon-Hwa Jung
Abstract: The present invention relates to a polymer film containing a binder resin and polyrotaxane having a specific structure, and a flexible light emitting element display device and a rollable display device including the coating film.
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Patent Agency Ranking
公开(公告)号：US11549025B2
公开(公告)日：2023-01-10
申请号：US16631525
申请日：2019-06-12
Applicant: LG CHEM, LTD.
Inventor： Kwangseok Seo , Heon Kim , Jinseok Byun , Yeongrae Chang
IPC: C09D7/41 , G02B1/14 , C09D7/48 , C09D133/14
Abstract: The present invention relates to a film for blocking ultraviolet rays that has excellent light resistance, thus exhibiting stable UV blocking performance for a long time, and has a low haze value, and thus is suitable for protecting an organic light emitting device and the like from the external light source.
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公开(公告)号：US11126082B2
公开(公告)日：2021-09-21
申请号：US16606431
申请日：2018-12-07
Applicant: LG CHEM, LTD.
Inventor： Seokhoon Jang , Sooyoung Kwak , Heon Kim , Se Hyun Kwon , Yeongrae Chang
IPC: G03H1/02 , G03H1/04 , G03F7/00 , G03F7/24 , G03F7/004 , G03F7/033 , G11B7/24 , G11B7/0065 , C08K5/00 , G03F7/075 , G03F7/027
Abstract: The present disclosure is to provide a photopolymer composition including a polymer matrix or a precursor thereof having a specific chemical structure; a photoreactive monomer; and a photoinitiator. The present disclosure is also to provide a hologram recording medium, an optical element, and a holographic recording method using the photopolymer composition.
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公开(公告)号：US11126081B2
公开(公告)日：2021-09-21
申请号：US16473992
申请日：2018-03-14
Applicant: LG CHEM, LTD.
Inventor： Boo Kyung Kim , Heon Kim , Seok Hoon Jang , Yeong Rae Chang
IPC: G03H1/02 , G03F7/004 , C08F220/18 , C08F299/04 , C08G18/40 , C08G18/62 , G03F7/00 , C08G18/72
Abstract: The present disclosure relates to a photopolymer composition including: a polymer matrix or a precursor thereof; a photoreactive monomer including a polyfunctional (meth)acrylate monomer having a refractive index of 1.5 or less and a viscosity at 25° C. of 100 cps or less, and a monofunctional (meth)acrylate monomer having a refractive index of 1.5 or more; and a photoinitiator, wherein a content of the monofunctional (meth)acrylate monomer having a refractive index of 1.5 or more in the photoreactive monomer is 60 wt % or more. The present disclosure also relates to a hologram recording medium produced from the photopolymer composition, an optical element including the hologram recording medium, and a holographic recording method using the photopolymer composition.
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公开(公告)号：US11117981B2
公开(公告)日：2021-09-14
申请号：US16326150
申请日：2018-07-02
Applicant: LG CHEM, LTD.
Inventor： Heon Kim , Boo Kyung Kim , Seok Hoon Jang , Yeong Rae Chang
IPC: C08F2/50 , C08G83/00 , G06K19/16 , G02B5/32 , C08F283/02 , C08F220/18 , C08F283/00 , C08G18/64 , C08G18/32 , C08G18/72 , C08G18/71 , C08G18/42 , C08F2/48 , C09D4/06 , C08F222/10
Abstract: The present invention relates to a photopolymer composition comprising: a polymer matrix or a precursor thereof including a reaction product of a polyol including a polyrotaxane compound and a compound containing at least one isocyanate group; a photoreactive monomer; and a photoinitiator. The present invention also relates to a hologram recording medium produced from the photopolymer composition, an optical element comprising the hologram recording medium, and a holographic recording method using the photopolymer composition.
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公开(公告)号：US10649271B2
公开(公告)日：2020-05-12
申请号：US16071704
申请日：2017-02-03
Applicant: LG CHEM, LTD.
Inventor： Sung Hyun Nam , Kyung Ki Hong , Yeong Rae Chang , Heon Kim , Kyun Il Rah , Jong Hyun Jung , Byung Sun Lee , Eung Jin Jang , Jin Yong Park , Deok Woo Park , Ji Young Kim
IPC: G02F1/1335 , G02B5/30
Abstract: The present application relates to a polarizing plate and a display device. In the present application, a polarizing plate can be provided, which can be applied to a display device comprising a highly reflective panel to solve disadvantages while maintaining advantages of the device. In the present application, a display device comprising the polarizing plate and the highly reflective panel can also be provided.
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