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公开(公告)号：US11279881B2
公开(公告)日：2022-03-22
申请号：US16610423
申请日：2018-10-22
申请人： LG CHEM, LTD.
发明人： Soon Ho Kwon , Jung Ho Jo , Hang Ah Park , Jun Young Yoon , Hyeong Seuk Yun
IPC分类号： C09K19/54 , C08G73/10 , C08L79/08 , G02F1/1337
摘要： A liquid crystal aligning agent composition for preparing a liquid crystal alignment film having enhanced stability and exhibiting excellent electrical characteristics, 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 liquid crystal alignment film.
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公开(公告)号：US10606128B2
公开(公告)日：2020-03-31
申请号：US15743958
申请日：2016-09-06
申请人： LG CHEM, LTD.
发明人： Soon Ho Kwon , Hee Han , Jung Ho Jo , Hang Ah Park , Jun Young Yoon , Hyeong Seuk Yun
IPC分类号： G02F1/1337 , C09K19/54 , C08L79/08 , C09K19/56 , C09D179/08 , C08G73/10
摘要： The present invention relates to a method for preparing a photo-alignment layer. The photo-alignment layer prepared by the preparation method exhibits a high imidization ratio as well as an excellent aligning stability of liquid crystal, chemical resistance and strength, and has an excellent afterimage suppressing effect by an AC driving of a liquid crystal display element.
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公开(公告)号：US11667844B2
公开(公告)日：2023-06-06
申请号：US17048264
申请日：2019-11-12
申请人： LG CHEM, LTD.
发明人： Jun Young Yoon , Kichul Koo , Jung Ho Jo , Soonho Kwon , Hyeongseuk Yun , Seongku Kim , Hoonseo Park
IPC分类号： C09K19/56 , G02F1/1337
CPC分类号： C09K19/56 , B32B2457/20 , B32B2457/202 , C09K2219/03 , C09K2323/00 , C09K2323/02 , C09K2323/023 , C09K2323/027 , G02F1/1337 , G02F1/133711 , G02F1/133723
摘要： 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：US11512255B2
公开(公告)日：2022-11-29
申请号：US17043310
申请日：2019-11-12
申请人： LG CHEM, LTD.
发明人： Jun Young Yoon , Kichul Koo , Jung Ho Jo , Soonho Kwon , Hyeongseuk Yun , Hoonseo Park
IPC分类号： C09K19/56 , C09D5/00 , C09D179/08 , G02F1/1337
摘要： 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：US11142697B2
公开(公告)日：2021-10-12
申请号：US16484402
申请日：2018-06-26
申请人： LG CHEM, LTD.
发明人： Jung Ho Jo , Hee Han , Sung Joon Min , Hang Ah Park , Sang Mi Lee , Soon Ho Kwon , Jun Young Yoon , Hyeong Seuk Yun , Seongku Kim
IPC分类号： C09K19/56 , C08G59/50 , C08L63/00 , C08L79/08 , G02F1/1337
摘要： The present invention relates to a liquid crystal aligning agent composition capable of securing a high imidization rate under relatively mild curing conditions, minimizing side reactions and thus having excellent stability, a method for producing 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：US11136506B2
公开(公告)日：2021-10-05
申请号：US16619679
申请日：2018-09-20
申请人： LG CHEM, LTD.
发明人： Soon Ho Kwon , Jung Ho Jo , Sung Joon Min , Hang Ah Park , Jun Young Yoon
摘要： 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 including the same, a liquid crystal alignment film formed from the liquid crystal alignment agent, and a liquid crystal display device including the liquid crystal alignment film are provided.
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公开(公告)号：US10982147B2
公开(公告)日：2021-04-20
申请号：US16333840
申请日：2018-08-09
申请人： LG CHEM, LTD.
发明人： Seongku Kim , Hee Han , Jung Ho Jo , Sung Joon Min , Sang Mi Lee , Soon Ho Kwon , Jun Young Yoon , Hyeong Seuk Yun , Hoonseo Park
摘要： The present invention relates to a liquid crystal aligning agent composition for forming a liquid crystal alignment film exhibiting excellent alignment and electrical characteristics and simultaneously having excellent film strength, 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：US10526540B2
公开(公告)日：2020-01-07
申请号：US15565878
申请日：2017-03-28
申请人： LG CHEM, LTD.
发明人： Soon Ho Kwon , Jung Ho Jo , Hang Ah Park , Hyeong Seuk Yun , Hee Han , Jun Young Yoon
IPC分类号： C09K19/56 , C08L79/08 , G02F1/1337 , C09D179/08 , C08G73/10 , C08G73/16
摘要： The present invention relates to a liquid crystal aligning agent for use as an alignment layer for liquid crystal display. More specifically, the present invention relates to a liquid crystal aligning agent capable of improving an imidization rate and thus exhibiting an excellent alignment state, a liquid crystal alignment layer comprising the same, a preparation method thereof and a liquid crystal display comprising the liquid crystal alignment layer.
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公开(公告)号：US11370971B2
公开(公告)日：2022-06-28
申请号：US16484906
申请日：2018-09-21
申请人： LG CHEM, LTD.
发明人： Hyeong Seuk Yun , Sung Joon Min , Jun Young Yoon , Jung Ho Jo
IPC分类号： C09K19/56 , G02F1/1337
摘要： A liquid crystal alignment film comprising a polymer, having an excellent alignment property, stability, and high film strength, and thus exhibiting excellent durability and a high residual image characteristic, and a liquid crystal display device using the liquid crystal alignment film.
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公开(公告)号：US11359144B2
公开(公告)日：2022-06-14
申请号：US16610698
申请日：2018-11-01
申请人： LG CHEM, LTD.
发明人： Hang Ah Park , Jung Ho Jo , Jun Young Yoon , Hyeong Seuk Yun
IPC分类号： C08F2/46 , C08F2/50 , C08G61/04 , C09K19/56 , C08L63/00 , C08L79/02 , C08L79/08 , C09D179/08 , G02F1/1337
摘要： A liquid crystal aligning agent composition for forming a liquid crystal alignment film having improved electrical characteristics and high reliability while exhibiting excellent alignment properties and durability, 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 liquid crystal alignment film.
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