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公开(公告)号：US11994704B2
公开(公告)日：2024-05-28
申请号：US16972547
申请日：2019-09-11
Applicant: LG CHEM, LTD.
Inventor： Seokhoon Jang , Jinseok Byun , Heon Kim , Se Hyun Kwon , Yeongrae Chang
CPC classification number: G02B5/32 , C08L33/10 , G03F7/075 , G03H2001/0264 , G03H2260/12
Abstract: The present disclosure relates to a hologram recording medium having one surface with a higher surface energy than a polymer resin layer containing at least one polymer selected from the group consisting of triacetyl cellulose, alicyclic olefin polymer and polyethylene terephthalate, a hologram recording medium wherein the surface energy of any one surface is 50 mN/m or more, and an optical element comprising the hologram medium.
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公开(公告)号：US11435664B2
公开(公告)日：2022-09-06
申请号：US16968084
申请日：2019-12-13
Inventor： Heon Kim , Yoosik Kim , Raisa Kharbash , Se Hyun Kwon , Yeongrae Chang , Seokhoon Jang
IPC: G03H1/02 , G03F7/031 , G03F7/035 , G03F7/027 , G03F7/075 , G03F7/105 , C08J3/24 , C08F220/18 , G03F7/00
Abstract: Provided is a photopolymer composition for hologram recording comprising: a polymer matrix or a precursor thereof; a dye including a compound of the following Chemical Formula 1; a photoreactive monomer; and a photoinitiator,
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公开(公告)号：US20220204767A1
公开(公告)日：2022-06-30
申请号：US17601909
申请日：2020-05-21
Applicant: LG CHEM, LTD.
Inventor： Hee Jung Choi , Yeongrae Chang , Heon Kim , Hye Min Kim , Youngsuk Kim , Jaeyoung Kim , Soonhwa Jung
Abstract: A curable composition for forming a high refractive index optical material, the curable composition including an episulfide compound, a thiol compound and an aromatic ring compound containing two or more hydroxyl groups, and an optical material including a cured product of the curable composition.
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公开(公告)号：US20220204702A1
公开(公告)日：2022-06-30
申请号：US17613001
申请日：2020-10-26
Applicant: LG CHEM, LTD.
Inventor： Hee Jung Choi , Jeewoo Lim , Heon Kim , Donghwa Seo , Yeongrae Chang
Abstract: A curable composition for forming a high refractive index optical material, the curable composition comprising an episulfide compound; sulfur-containing organic particles comprising a specific content of sulfur atoms; and a reducing agent, and an optical material comprising the curable composition.
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公开(公告)号：US11292888B2
公开(公告)日：2022-04-05
申请号：US16756072
申请日：2018-10-16
Applicant: LG CHEM, LTD.
Inventor： Seok Hoon Jang , Heon Kim , Boo Kyung Kim , Yeong Rae Chang , Yongjoon Heo , Se Hyun Kwon
IPC: G03H1/02 , G03F7/035 , G11B7/245 , C08G18/79 , C08G18/78 , C08G18/32 , C08G18/08 , C08K5/02 , G11B7/0065 , C08K5/00 , G03H1/26
Abstract: A photopolymerizable composition including: a polymer matrix or a precursor thereof containing a reaction product of an acrylate-based polyol and a compound containing at least one isocyanate group; a photoreactive monomer; and a non-reactive fluoro compound and a photoinitiator; a hologram recording medium produced from the composition; an optical element including the hologram recording medium; and a method of recording a hologram using the photopolymerizable composition.
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Patent Agency Ranking
公开(公告)号：US10809419B2
公开(公告)日：2020-10-20
申请号：US15741465
申请日：2016-12-05
Applicant: LG CHEM, LTD.
Inventor： Seok Hoon Jang , Heon Kim , Boo Kyung Kim , Jin Seok Byun , Yeong Rae Chang
Abstract: The present invention relates to an antireflection film including: a hard coating layer in which center line average roughness (Ra) of the surface is 1.2 nm or less and surface energy is 34 mN/m or less; and a low refractive index layer which is formed on the hard coating layer.
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公开(公告)号：US10414840B2
公开(公告)日：2019-09-17
申请号：US15511591
申请日：2015-09-16
Applicant: LG CHEM, LTD.
Inventor： Han Na Lee , Heon Kim , Yeong Rae Chang , Soon Hwa Jung , Jin Seok Byun
IPC: C08F22/20 , C09D135/02 , C09D4/00
Abstract: The present invention relates to a curable composition for a glass substitute. By using a curable composition, excellent wear resistance and high hardness at a glass level can be obtained, and two-dimensional planar plastic film and three-dimensional plastic film without cracks or curls can be provided. The plastic films can be a substitute for existing glass, thereby enabling manufacturing of various electronic products, such as a display and the like, which are light and will not be easily damaged by external pressure.
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公开(公告)号：US09884969B2
公开(公告)日：2018-02-06
申请号：US14020419
申请日：2013-09-06
Applicant: LG CHEM, LTD.
Inventor： Heon Kim , Yeong-Rae Chang , Hye-Min Kim
IPC: C09D7/12 , C08B37/16 , C08L101/00 , C08G83/00 , C08G63/08 , C09D105/16 , C08L5/16 , C09D4/06 , C08J7/04 , G03F7/027 , G03F7/031 , G03F7/032 , G03F7/033 , G03F7/035 , G03F7/075 , C08F220/34
CPC classification number: C09D7/63 , C08B37/0012 , C08B37/0015 , C08F2220/343 , C08G63/08 , C08G83/007 , C08J7/047 , C08J2367/02 , C08J2400/21 , C08L5/16 , C08L101/005 , C09D4/06 , C09D105/16 , G03F7/027 , G03F7/031 , G03F7/032 , G03F7/033 , G03F7/035 , G03F7/0757 , C08L67/04
Abstract: The present invention relates to a novel polyrotaxane compound having a specific chemical structure, a photocurable coating composition that may provide a coating material having excellent mechanical properties such as scratch resistance, chemical resistance, abrasion resistance, and the like, and excellent self-healing capability, and a coating film obtained from the photocurable coating composition.
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9.发明授权Norbornene monomer, polynorbornene derivative, liquid crystal photoalignment film containing the same and liquid crystal display containing the same 有权降冰片烯单体，聚降冰片烯衍生物，含有该降冰片烯衍生物的液晶光取代膜和含有该衍生物的液晶显示器公开(公告)号：US09146427B2
公开(公告)日：2015-09-29
申请号：US14227878
申请日：2014-03-27
Applicant: LG CHEM, LTD.
Inventor： Dai-Seung Choi , Heon Kim , Sung-Ho Chun , Sung-Joon Oh , Dong-Woo Yoo , Yu-Chan Kang
IPC: C07C69/76 , G02F1/1337 , C07C51/567 , C07C69/618 , C07C69/734 , C08F132/08 , C07C57/50
CPC classification number: G02F1/13378 , C07C51/567 , C07C57/50 , C07C69/618 , C07C69/734 , C07C2602/42 , C08F132/08 , G02F1/133711 , G02F1/133788 , Y10T428/10 , Y10T428/1005 , C07C61/29
Abstract: The present invention relates to a norbornene monomer, a polynorbornene derivative, a liquid crystal alignment film including the same, and a liquid crystal display device including the same. More particularly, the present invention relates to a norbornene monomer, a polynorbornene derivative, a liquid crystal alignment film including the same, and a liquid crystal display device including the same, which have an alignment property by photoreaction, excellent thermal stability and photoreactivity, the increased photo-reaction rate and reliability of the alignment film, thereby showing high manufacturing process efficiency.
Abstract translation: 本发明涉及降冰片烯单体，聚降冰片烯衍生物，含有该降冰片烯衍生物的液晶取向膜，以及包含该降冰片烯单体的液晶显示装置。 更具体地，本发明涉及降冰片烯单体，聚降冰片烯衍生物，包含该降冰片烯单体的液晶取向膜和包含该降冰片烯衍生物的液晶取向膜，以及具有该降冰片烯单体的液晶显示装置，其具有通过光反应的取向性，优异的热稳定性和光反应性 提高了取向膜的光反应速度和可靠性，从而显示出高的制造工艺效率。
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公开(公告)号：US12104057B2
公开(公告)日：2024-10-01
申请号：US17601909
申请日：2020-05-21
Applicant: LG CHEM, LTD.
Inventor： Hee Jung Choi , Yeongrae Chang , Heon Kim , Hye Min Kim , Youngsuk Kim , Jaeyoung Kim , Soonhwa Jung
Abstract: A curable composition for forming a high refractive index optical material, the curable composition including an episulfide compound, a thiol compound and an aromatic ring compound containing two or more hydroxyl groups, and an optical material including a cured product of the curable composition.
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