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.

公开(公告)号：US20200181495A1

公开(公告)日：2020-06-11

申请号：US16484766

申请日：2018-06-26

Applicant: LG CHEM, LTD.

Inventor： 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: C09K19/56 ,  C08G73/10 ,  G02F1/1337 ,  C08G59/24

Abstract: 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：US20200002614A1

公开(公告)日：2020-01-02

申请号：US16484769

申请日：2018-06-26

Applicant: LG CHEM, LTD.

Inventor： Sang Mi LEE ,  Jung Ho JO ,  Hang Ah PARK ,  Hyeong Seuk YUN ,  Jun Young YOON

IPC: C09K19/56 ,  G02F1/1337 ,  B05D3/06 ,  B05D5/06 ,  B05D7/24 ,  C08L79/08

Abstract: The present invention provides a liquid crystal aligning agent composition that has excellent storage stability, can secure a high imidization rate, and can produce 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：US20190049798A1

公开(公告)日：2019-02-14

申请号：US16164043

申请日：2018-10-18

Applicant: LG CHEM, LTD.

Inventor： Hyeong Seuk YUN ,  Jung Ho JO ,  Sung Joon MIN ,  Hee HAN ,  Hang Ah PARK ,  Sang Mi LEE ,  Soon Ho KWON ,  Jun Young YOON

IPC: G02F1/1337 ,  C09K19/54 ,  C09K19/56

Abstract: 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.