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：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.

公开(公告)号：US20240324296A1

公开(公告)日：2024-09-26

申请号：US18380969

申请日：2023-10-17

Applicant: Samsung Display Co., LTD.

Inventor： Seonhwa CHOI ,  Youngjun KIM ,  Dongkyun SEO ,  Hyunyoung JUNG

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: A display apparatus includes a first sub-pixel electrode arranged in a sub-pixel area, a conductive bank layer disposed on the first sub-pixel electrode, including a first opening, a first conductive layer and a second conductive layer, wherein the first opening overlaps the first sub-pixel electrode, a first intermediate layer disposed on the first sub-pixel electrode through the first opening, a first opposite electrode disposed on the first intermediate layer, an insulating layer disposed between the conductive bank layer and an edge of the first sub-pixel electrode in a non-sub-pixel area around the sub-pixel area, and an organic layer including an opening overlapping the first opening of the conductive bank layer, and including a first organic material portion overlapping the insulating layer in the non-sub-pixel area.

公开(公告)号：US20240215400A1

公开(公告)日：2024-06-27

申请号：US18393953

申请日：2023-12-22

Applicant: Samsung Display Co., LTD.

Inventor： Dongkyun SEO ,  Youngjun KIM ,  Hyunyoung JUNG ,  Seonhwa CHOI

IPC: H10K59/80 ,  H10K71/15

CPC classification number: H10K59/875 ,  H10K71/15

Abstract: A display apparatus including a first base layer including a first auxiliary base layer and a second auxiliary base layer disposed on the first auxiliary base layer; and a semiconductor layer dispose on the first base layer. Polyimide of the first auxiliary base layer is arranged in a preset orientation, and polyimide of the second auxiliary base layer is arranged in an arbitrary orientation.

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.