公开(公告)号：US20200152718A1

公开(公告)日：2020-05-14

申请号：US16662712

申请日：2019-10-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seungcheol KO ,  Junho SIM ,  Seyoon OH

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  H01L51/50 ,  H01L51/56

Abstract: A method of forming a pattern part includes forming a first film on a target object, the first film having a first cure shrinkage ratio, forming a second film on the first film, the second film having a second cure shrinkage ratio greater than the first cure shrinkage ratio, and patterning the first film and the second film to form a pattern.

公开(公告)号：US20190255725A1

公开(公告)日：2019-08-22

申请号：US16280972

申请日：2019-02-20

Applicant: Samsung Display Co., Ltd.

Inventor： Woong KIM ,  Kyungwon KANG ,  Buemjoon KIM ,  Jihoon KIM ,  Teadong KIM ,  Sungho NOH ,  Junho SIM ,  Hyungbo SHIM ,  Heesuk LEE ,  Jaeku HAN

IPC: B26D7/18 ,  B26D7/27 ,  B26D7/00 ,  B26D7/01

Abstract: A substrate cutting device includes: a base portion; a stage on the base portion; a partition member spaced from the stage; and an exhausting structure below the cell substrate and configured to exhaust a gaseous substance. The stage has a top surface configured to support a cell substrate and a connection surface perpendicular to the top surface, and the partition member faces the connection surface and is configured to support the cell substrate.

公开(公告)号：US20200020869A1

公开(公告)日：2020-01-16

申请号：US16404058

申请日：2019-05-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byunghoon KANG ,  Seung Jun MOON ,  Dongkyun SEO ,  Hee Kyun SHIN ,  Junho SIM ,  Woo Jin CHO

IPC: H01L51/00 ,  H01L51/52 ,  H01L51/56

Abstract: A method of manufacturing a flexible display device including preparing a support substrate, forming a first adhesive layer having a positive charge on the support substrate, the first adhesive layer including a polymer electrolyte and a graphene oxide, forming a second adhesive layer having a negative charge on the first adhesive layer, the second adhesive layer including a graphene oxide, forming a flexible substrate on the second adhesive layer, forming a display unit on the flexible substrate, and separating the support substrate and the flexible substrate.

公开(公告)号：US20210226181A1

公开(公告)日：2021-07-22

申请号：US17110138

申请日：2020-12-02

Applicant: Samsung Display Co., Ltd.

Inventor： Dongkyun SEO ,  Hyoungsik KIM ,  Heekyun SHIN ,  Junho SIM

IPC: H01L51/56 ,  H01L51/00

Abstract: In a method of manufacturing a display apparatus, the method includes: preparing a support substrate; forming a metal oxide layer on a surface of the support substrate, the metal oxide layer comprising first charges; forming a debonding layer on a surface of the metal oxide layer, the debonding layer comprising second charges opposite to the first charges; forming a flexible substrate on a surface of the debonding layer; forming a display element and a thin film encapsulation layer on a surface of the flexible substrate, the display element comprising a thin film transistor and an organic light-emitting diode; and isolating the flexible substrate from the support substrate.

公开(公告)号：US20200152893A1

公开(公告)日：2020-05-14

申请号：US16578408

申请日：2019-09-23

Applicant: Samsung Display Co., Ltd.

Inventor： Heekyun SHIN ,  Byunghoon KANG ,  Youngjun KIM ,  Sumin AN ,  Woojin CHO ,  Seungjun MOON ,  Jeongmin PARK ,  Dongkyun SEO ,  Junho SIM

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  B32B7/14 ,  B32B37/12 ,  B32B37/24 ,  B32B38/00 ,  C09J9/02 ,  C09J179/02

Abstract: A method of manufacturing a flexible display apparatus includes: preparing a substrate; forming a first charge adhesive layer having a first charge on the substrate; forming a second charge adhesive layer having a second charge, which is opposite to the first charge, on the first charge adhesive layer; forming a first charge adhesive pattern and a second charge adhesive pattern by removing an edge of each of the first charge adhesive layer and the second charge adhesive layer; forming a flexible substrate on the substrate on which the first charge adhesive pattern and the second charge adhesive pattern are formed; forming a display unit on the flexible substrate; cutting the substrate, the first charge adhesive pattern, the second charge adhesive pattern, the flexible substrate, and the display unit along a cutting line; and separating the substrate and the flexible substrate.