公开(公告)号：US20170306236A1

公开(公告)日：2017-10-26

申请号：US15240402

申请日：2016-08-18

Applicant: Samsung Display Co. Ltd.

Inventor： Se Ran KIM ,  Suk Hoon KANG ,  Hoi Lim KIM ,  Young Mi CHO

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

CPC classification number: C09K19/56 ,  C08G73/1042 ,  C08G73/1067 ,  C08G73/16 ,  C09D179/08 ,  C09K19/34 ,  G02F1/133788

Abstract: An alignment layer composition including a copolymer of a dianhydride compound and a diamine compound, wherein the copolymer includes a repeating unit represented by Formula 1: wherein each of Ar1 and Ar2 is independently a substituted or unsubstituted aromatic group comprising 6 to 30 carbon atoms, X is an electron donating group, and is an ester group, wherein “*” indicates a point of attachment to the aromatic groups Ar1 and Ar2.

公开(公告)号：US20180148650A1

公开(公告)日：2018-05-31

申请号：US15878873

申请日：2018-01-24

Applicant: Samsung Display Co. Ltd.

Inventor： Se Ran KIM ,  Suk Hoon KANG ,  Hoi Lim KIM ,  Young Mi CHO

IPC: C09K19/56 ,  G02F1/1337 ,  C08G73/10 ,  C09K19/34

Abstract: An alignment layer composition including a copolymer of a dianhydride compound and a diamine compound, wherein the copolymer includes a repeating unit represented by Formula 1: wherein each of Ar1 and Ar2 is independently a substituted or unsubstituted aromatic group comprising 6 to 30 carbon atoms, X is an electron donating group, and is an ester group, wherein “*” indicates a point of attachment to the aromatic groups Ar1 and Ar2.