公开(公告)号：US11209699B2

公开(公告)日：2021-12-28

申请号：US16480730

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 ,  Soon Ho Kwon ,  Jun Young Yoon ,  Hyeong Seuk Yun ,  Hoonseo Park

IPC分类号： G02F1/1337 ,  C08G73/10 ,  C09D179/08 ,  C09K19/56

摘要： A liquid crystal aligning agent composition for forming a liquid crystal alignment film that can exhibit excellent alignment and electrical characteristics and simultaneously having enhanced durability, a method for preparing a liquid crystal alignment film using the liquid crystal aligning agent composition, and a liquid crystal alignment film comprising an aligned and cured product of the liquid crystal aligning agent composition and a liquid crystal display device comprising the liquid crystal alignment film.

公开(公告)号：US11149204B2

公开(公告)日：2021-10-19

申请号：US16628906

申请日：2019-04-17

申请人： LG CHEM, LTD.

发明人： Seongku Kim ,  Jung Ho Jo ,  Hoonseo Park ,  Hee Han ,  Jun Young Yoon

IPC分类号： C09K19/56 ,  C08G73/10

摘要： Provided is a liquid crystal alignment agent composition comprising a terminal modifier compound containing an amino group together with a polyimide containing an acid anhydride group at its terminus or a precursor polymer thereof, a method for preparing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display using the same.

公开(公告)号：US11078424B2

公开(公告)日：2021-08-03

申请号：US16497330

申请日：2019-01-23

申请人： LG CHEM, LTD.

发明人： Hyeongseuk Yun ,  Jung Ho Jo ,  Jun Young Yoon ,  Hoonseo Park

IPC分类号： C09K19/56

摘要： Provided is a liquid crystal aligning agent composition including a liquid crystal polymer together with a polyimide-based (co)polymer, 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.

公开(公告)号：US11073728B2

公开(公告)日：2021-07-27

申请号：US16164043

申请日：2018-10-18

申请人： LG CHEM, LTD.

发明人： Hyeong Seuk Yun ,  Jung Ho Jo ,  Sung Joon Min ,  Hee Han ,  Hang Ah Park ,  Sang Mi Lee ,  Soon Ho Kwon ,  Jun Young Yoon

IPC分类号： G02F1/1337 ,  C09K19/56 ,  C09K19/54 ,  C08L79/08 ,  C09D179/08 ,  C08G73/10 ,  B05D3/06 ,  B05D3/02

摘要： The present invention provides a liquid crystal alignment film not only having an excellent alignment property and stability, but also having high film strength, and thus exhibiting excellent durability and a high residual image property, a method for preparing the same, and a liquid crystal display device using the same.

公开(公告)号：US11630350B2

公开(公告)日：2023-04-18

申请号：US15777846

申请日：2017-06-20

申请人： LG CHEM, LTD.

发明人： Jung Ho Jo ,  Hee Han ,  Hang Ah Park ,  Soon Ho Kwon ,  Jun Young Yoon ,  Hyeong Seuk Yun

IPC分类号： G02F1/1337 ,  C08G73/10 ,  C09K19/56 ,  C09D179/08

摘要： The present invention relates to a liquid crystal alignment composition for the preparation of a liquid crystal alignment film having enhanced alignment property and stability and exhibiting a high voltage holding ratio, 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.

公开(公告)号：US11499100B2

公开(公告)日：2022-11-15

申请号：US16610411

申请日：2018-10-22

申请人： LG CHEM, LTD.

发明人： Soon Ho Kwon ,  Hang Ah Park ,  Jun Young Yoon ,  Hyeong Seuk Yun ,  Jung Ho Jo

IPC分类号： C09K19/56 ,  B05D3/02 ,  B05D3/06 ,  B05D5/06 ,  B05D7/24 ,  C09D179/08 ,  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.

公开(公告)号：US11286348B2

公开(公告)日：2022-03-29

申请号：US16484390

申请日：2018-05-14

申请人： LG CHEM, LTD.

发明人： Soon Ho Kwon ,  Kichul Koo ,  Jung Ho Jo ,  Sung Joon Min ,  Sang Mi Lee ,  Jun Young Yoon ,  Hyeong Seuk Yun ,  Yoon Bin Lim

IPC分类号： G02F1/1337 ,  C08G73/10 ,  C09K19/56

摘要： 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.

公开(公告)号：US11230670B2

公开(公告)日：2022-01-25

申请号：US16484766

申请日：2018-06-26

申请人： LG CHEM, LTD.

发明人： Sang Mi Lee ,  Hee Han ,  Jung Ho Jo ,  Sung Joon Min ,  Hang Ah Park ,  Soon Ho Kwon ,  Jun Young Yoon ,  Hyeong Seuk Yun ,  Seongku Kim ,  Hoonseo Park

IPC分类号： C09K19/56 ,  C08G59/24 ,  C08G73/10 ,  G02F1/1337

摘要： The present invention relates to a liquid crystal aligning agent composition for producing a liquid crystal alignment film having improved film strength together with liquid crystal alignment properties, 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.

公开(公告)号：US11347110B2

公开(公告)日：2022-05-31

申请号：US15765434

申请日：2017-04-21

申请人： LG CHEM, LTD.

发明人： Jung Ho Jo ,  Hee Han ,  Hang Ah Park ,  Soon Ho Kwon ,  Jun Young Yoon ,  Hyeong Seuk Yun

IPC分类号： G02F1/1337 ,  C09K19/52 ,  C09K19/56

摘要： Provided are a composition for a liquid crystal alignment agent, a manufacturing method of a liquid crystal alignment film, a liquid crystal alignment film using the same, and a liquid crystal display device including the liquid crystal alignment film. More specifically, there are provided the manufacturing method of a liquid crystal alignment film capable of providing the liquid crystal alignment film in which light irradiation energy is able to be reduced, and alignment characteristic and stability are excellent and the voltage holding ratio and electrical characteristics are also excellent through a simple process including applying and drying the composition for a liquid crystal alignment agent on the substrate, directly performing light irradiation to conduct alignment treatment while a high-temperature heat treatment process is omitted, followed by curing by heat treatment, the liquid crystal alignment film, and the liquid crystal display device including the same.

公开(公告)号：US11287700B2

公开(公告)日：2022-03-29

申请号：US16488203

申请日：2018-05-14

申请人： LG CHEM, LTD.

发明人： 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分类号： G02F1/1337 ,  C08G73/10 ,  C09K19/56

摘要： 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.