公开(公告)号：US10745622B2

公开(公告)日：2020-08-18

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 ,  C08G73/10 ,  G02F1/1337 ,  C09K19/34 ,  C08G73/16 ,  C09D179/08

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：US12132140B2

公开(公告)日：2024-10-29

申请号：US17476993

申请日：2021-09-16

Applicant: Samsung Display Co., LTD.

Inventor： Hyo Jin Ko ,  Duk Ki Kim ,  Yong Hwi Kim ,  Jun Bo Sim ,  Na Mi Hong ,  Jong Hyuk Kang ,  Gyu Bong Kim ,  Hoi Lim Kim ,  Sae Na Yun ,  Chang Hee Lee ,  Hyun Deok Im ,  Eun A Cho ,  Jae Kook Ha

IPC: H01L33/00 ,  B82B3/00 ,  C09D11/033 ,  C09D11/50 ,  C09D11/52 ,  H01L27/15 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44

CPC classification number: H01L33/005 ,  B82B3/0052 ,  C09D11/033 ,  C09D11/50 ,  C09D11/52 ,  H01L27/156 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L2933/0016

Abstract: An ink includes a solvent, and light-emitting elements dispersed in the solvent, each of the light-emitting elements comprising semiconductor layers and an insulating film partially surrounding outer surfaces of the semiconductor layers, wherein the solvent has Hansen solubility parameters of a polarity parameter between about 4 and about 9 and a hydrogen bonding parameter between about 6 and about 11.

公开(公告)号：US09909066B2

公开(公告)日：2018-03-06

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: C09K19/00 ,  C09K19/56 ,  C08G73/10 ,  G02F1/1337

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.