公开(公告)号：US20210238435A1

公开(公告)日：2021-08-05

申请号：US17025399

申请日：2020-09-18

Applicant: Samsung Display Co., Ltd.

Inventor： Junbo SIM ,  Hyojin KO ,  Dukki KIM ,  Jonghyuk KANG ,  Changhee LEE ,  Jaehoon JUNG ,  Jaekook HA

IPC: C09D11/36 ,  C09D11/326 ,  C08L75/16 ,  C08G69/48 ,  H01L31/18

Abstract: Provided are an ink composition, a light-emitting apparatus using the ink composition, and a method of manufacturing the light-emitting apparatus. The ink composition may include a light-emitting device, a solvent, and an organic thickener, and the organic thickener is a polymeric compound including at least one group represented by Formula 1: wherein in Formula 1, X, R1, n1, and R2 may respectively be understood by referring to the descriptions of X, R1, n1, and R2 provided in the detailed description.

公开(公告)号：US20210035962A1

公开(公告)日：2021-02-04

申请号：US16932591

申请日：2020-07-17

Applicant: Samsung Display Co., Ltd.

Inventor： Yunku JUNG ,  Sungwoon KIM ,  Changhee LEE ,  Jaekook HA ,  Yunhyuk KO ,  Jaehoon KIM ,  Minki NAM ,  Hyunmi DOH ,  Myoungjin PARK ,  Jae Hong PARK ,  Junwoo PARK

IPC: H01L25/16 ,  H01L33/44 ,  H01L23/00

Abstract: Provided is a light emitting element according to embodiments which includes a body including a semiconductor layer and an active layer, and a ligand including a head portion bonded to a surface of the body, an end portion spaced apart from the body, and having a positive or a negative charge, and a chain portion connecting the head portion and the end portion.