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公开(公告)号：US20210032540A1
公开(公告)日：2021-02-04
申请号：US17043310
申请日：2019-11-12
Applicant: LG CHEM, LTD.
Inventor： Jun Young YOON , Kichul KOO , Jung Ho JO , Soonho KWON , Hyeongseuk YUN , Hoonseo PARK
IPC: C09K19/56 , C09D179/08 , C09D5/00 , G02F1/1337
Abstract: The present invention relates to a liquid crystal alignment composition comprising first liquid crystal alignment polymer; second liquid crystal alignment polymer; and a cross-linking agent compound, a method for preparing a liquid crystal alignment film using the same, a liquid crystal alignment film and a liquid crystal display using the same.
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公开(公告)号：US20210061976A1
公开(公告)日：2021-03-04
申请号：US16958046
申请日：2019-07-24
Applicant: LG CHEM, LTD.
Inventor： Kichul KOO , Seongku KIM , Jung Ho JO , Hangah PARK , Soonho KWON , Hoonseo PARK
IPC: C08K5/5455 , C08L79/08
Abstract: The present invention relates to a crosslinking agent compound in which a terminal crosslinkable functional group is capped with a silane-based protecting group, a photosensitive composition including the same, and a photosensitive material using the same.
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公开(公告)号：US20200002478A1
公开(公告)日：2020-01-02
申请号：US16484390
申请日：2018-05-14
Applicant: LG CHEM, LTD.
Inventor： Soon Ho KWON , Kichul KOO , Jung Ho JO , Sung Joon MIN , Sang Mi LEE , Jun Young YOON , Hyeong Seuk YUN , Yoon Bin LIM
IPC: C08G73/10 , C09K19/56 , G02F1/1337
Abstract: The present invention relates to a polymer having excellent liquid crystal alignment and electrical properties and thus is suitable for use as a liquid crystal alignment agent, a liquid crystal alignment agent containing the same, a liquid crystal aligning film formed from the liquid crystal alignment agent, and a liquid crystal display device containing the liquid crystal aligning film.
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公开(公告)号：US20210139782A1
公开(公告)日：2021-05-13
申请号：US17045823
申请日：2020-01-09
Applicant: LG CHEM, LTD.
Inventor： Seongku KIM , Kichul KOO , Hoonseo PARK , Jung Ho JO , Soonho KWON
IPC: C09K19/56 , C08G73/10 , C09D179/08 , G02F1/1337
Abstract: The present invention relates to a liquid crystal alignment agent composition including a copolymer for liquid crystal alignment agent containing two types of repeating units classified according to the types of diamine-derived functional groups, and a crosslinker compound in which the protecting group having a specific structure was introduced, a method for preparing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display device using the same.
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公开(公告)号：US20170349822A1
公开(公告)日：2017-12-07
申请号：US15540474
申请日：2015-12-22
Applicant: LG CHEM, LTD.
Inventor： Hoyong LEE , Kichul KOO , Minyoung KANG , Duy hieu LE
CPC classification number: C09K11/06 , B32B17/10669 , B32B2307/422 , B32B2457/206 , C07F5/02 , C07F5/022 , C08K5/55 , C09B23/04 , C09B57/00 , C09B57/10 , C09K11/02 , C09K2211/1007 , C09K2211/1011 , C09K2211/1022 , F21K9/64 , F21V9/30 , G02F1/1335 , H01L51/008
Abstract: The present specification relates to a novel compound, and a color conversion film, a backlight unit, and a display device, comprising the same.
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Patent Agency Ranking
公开(公告)号：US20210139780A1
公开(公告)日：2021-05-13
申请号：US16488203
申请日：2018-05-14
Applicant: LG CHEM, LTD.
Inventor： Soon Ho KWON , Jung Ho JO , Sung Joon MIN , Sang Mi LEE , Kichul KOO , Jun Young YOON , Hyeong Seuk YUN , Yoon Bin LIM , Seongku KIM
IPC: C09K19/56 , C08G73/10 , G02F1/1337
Abstract: The present invention relates to a polymer having excellent liquid crystal alignment and electrical properties and thus is suitable for use as a liquid crystal alignment agent, a liquid crystal alignment agent containing the same, a liquid crystal aligning film formed from the liquid crystal alignment agent, and a liquid crystal display device containing the liquid crystal aligning film.
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公开(公告)号：US20210040390A1
公开(公告)日：2021-02-11
申请号：US17048264
申请日：2019-11-12
Applicant: LG CHEM, LTD.
Inventor： Jun Young YOON , Kichul KOO , Jung Ho JO , Soonho KWON , Hyeongseuk YUN , Seongku KIM , Hoonseo PARK
IPC: C09K19/56
Abstract: The present invention relates to a liquid crystal alignment composition that not only exhibits high degree of imidization and excellent film strength when manufacturing a liquid crystal alignment film, but also can realize improved alignment property and electrical properties, a method for preparing a liquid crystal alignment film using the same, a liquid crystal alignment film and a liquid crystal display using the same.
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公开(公告)号：US20170260212A1
公开(公告)日：2017-09-14
申请号：US15529046
申请日：2015-10-26
Applicant: LG CHEM, LTD.
Inventor： Hoyong LEE , Kichul KOO , Minyoung KANG , Duy Hieu LE
Abstract: The present disclosure relates to a novel compound, a color conversion film, a backlight unit and a display device comprising the same.
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公开(公告)号：US20220033585A1
公开(公告)日：2022-02-03
申请号：US17277366
申请日：2019-12-11
Applicant: LG CHEM, LTD.
Inventor： Kichul KOO , Kyunghwan KIM
IPC: C08G73/10 , C08J5/18 , C07D403/14 , C07D403/10
Abstract: The present invention discloses a novel diamine that has a structure bearing an intramolecular imide group and additionally an amide-substituted aromatic ring group at opposite sides of the imide group. The use of the novel diamine as a polymerization ingredient in polyimide production can provide a polyimide film which has remarkably improved mechanical and thermal properties while maintaining optical properties.
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公开(公告)号：US20210317082A1
公开(公告)日：2021-10-14
申请号：US17272209
申请日：2019-12-17
Applicant: LG CHEM, LTD.
Inventor： Kichul KOO , Kyunghwan KIM
IPC: C07D209/48 , C08J5/18 , C07D401/14 , C07D403/14 , C08G73/10
Abstract: Disclosed is a novel diamine having a structure of comprising an intramolecular imide group, and further comprising aromatic cyclic groups linked by an ester group to both sides of the imide group. When the novel diamine is used as a polymerizable component for preparing a polyimide, a polyimide film having remarkably improved mechanical and thermal properties while maintaining optical properties can be provided.
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