公开(公告)号：US11700762B2

公开(公告)日：2023-07-11

申请号：US17516494

申请日：2021-11-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Younggil Kwon ,  Sungwoong Kim ,  Jinbaek Choi

IPC: H10K71/00 ,  H10K50/805 ,  H10K50/824 ,  H10K59/35 ,  H10K59/122 ,  H10K59/173 ,  H10K71/16 ,  H10K71/20 ,  H10K59/12

CPC classification number: H10K71/00 ,  H10K50/805 ,  H10K50/824 ,  H10K59/122 ,  H10K59/173 ,  H10K59/35 ,  H10K71/166 ,  H10K71/221 ,  H10K71/621 ,  H10K59/1201

Abstract: A method of manufacturing an organic light-emitting display apparatus includes: forming a lift-off layer on a substrate including a first electrode, the lift-off layer including a fluoropolymer; forming a pattern layer on the lift-off layer; etching the lift-off layer between patterns of the pattern layer by utilizing a first solvent to expose the first electrode; forming an organic functional layer on the first electrode and the pattern layer, the organic functional layer including an emission layer; removing remaining portions of the lift-off layer by utilizing a second solvent; and forming a second electrode on the organic functional layer.

公开(公告)号：US11700750B2

公开(公告)日：2023-07-11

申请号：US17104389

申请日：2020-11-25

Applicant: Samsung Display Co., Ltd.

Inventor： Junhwan Moon ,  Younggil Kwon ,  Seul Lee ,  Jihee Son

IPC: G03F7/40 ,  H10K59/122 ,  H10K50/805 ,  H10K50/824 ,  H10K59/124 ,  H10K71/00 ,  H10K71/20 ,  H10K59/35 ,  H10K59/12

CPC classification number: H10K59/122 ,  G03F7/40 ,  H10K50/805 ,  H10K50/824 ,  H10K59/124 ,  H10K71/00 ,  H10K71/221 ,  H10K71/233 ,  H10K59/1201 ,  H10K59/35

Abstract: Provided are a display device and a method of manufacturing the same. The display device includes a substrate; a pixel electrode on the substrate; a pixel-defining layer having a first opening exposing a central portion of the pixel electrode and a barrier portion defining the first opening; an auxiliary electrode on the barrier portion; an intermediate layer on the pixel electrode; and an opposite electrode on the intermediate layer and in electrical contact with the auxiliary electrode.

公开(公告)号：US11056674B2

公开(公告)日：2021-07-06

申请号：US16736627

申请日：2020-01-07

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Choung ,  Younggil Kwon ,  Duckjung Lee

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

Abstract: An organic light-emitting display device includes: first and second pixel electrodes (PEs); a pixel-defining layer (PDL) disposed on the first and second PEs, the pixel-defining layer including first and second openings respectively exposing the first and second PEs; first and second intermediate layers (ILs) respectively disposed on the first and second PEs exposed via the first and second openings, each of the first and second ILs including an emission layer; first and second opposite electrodes (OEs) respectively disposed on the first and second ILs, the first and second OEs having an island-shaped pattern; first and second protective layers (PLs) respectively disposed on the first and second OEs, the first and second PLs having an island-shaped pattern; and a connection layer disposed on the first and second PLs, the connection layer electrically connecting the first and second OEs to one another.

公开(公告)号：US10680212B2

公开(公告)日：2020-06-09

申请号：US16287852

申请日：2019-02-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Younggil Kwon ,  Sungwoong Kim ,  Jinbaek Choi

IPC: H01L21/00 ,  H01L29/08 ,  H01L51/56 ,  H01L51/00 ,  H01L27/32 ,  H01L51/52

Abstract: A method of manufacturing an organic light-emitting display apparatus includes: forming a lift-off layer on a substrate including a first electrode, the lift-off layer including a fluoropolymer; forming a pattern layer on the lift-off layer; etching the lift-off layer between patterns of the pattern layer by utilizing a first solvent to expose the first electrode; forming an organic functional layer on the first electrode and the pattern layer, the organic functional layer including an emission layer; removing remaining portions of the lift-off layer by utilizing a second solvent; and forming a second electrode on the organic functional layer.

公开(公告)号：US10468598B2

公开(公告)日：2019-11-05

申请号：US16036202

申请日：2018-07-16

Applicant: Samsung Display Co., Ltd.

Inventor： Younggil Kwon

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

Abstract: An organic light-emitting display apparatus, including: a first electrode disposed on the substrate; a pixel defining layer covering an edge of the first electrode; a residual layer disposed on the pixel defining layer, the residual layer including a fluoropolymer; a first organic functional layer including a first light emitting layer, the first organic functional layer having a lower surface directly contacting a top surface of the first electrode and a side surface directly contacting the residual layer; and a second electrode disposed on the first organic functional layer.

公开(公告)号：US10431744B2

公开(公告)日：2019-10-01

申请号：US15884241

申请日：2018-01-30

Applicant: Samsung Display Co., Ltd.

Inventor： Younggil Kwon ,  Seungyong Song

IPC: H01L51/00 ,  G03F7/00 ,  G03F7/20 ,  G03F7/26 ,  G03F7/09 ,  G03F7/16 ,  H01L51/52 ,  H01L51/50 ,  H01L27/32

Abstract: A method of manufacturing an organic light-emitting display apparatus including: forming a lift-off layer including a fluoropolymer, a barrier layer having a higher fluorine content than the lift-off layer, and a photoresist on a substrate including a first electrode; removing a portion corresponding to the first electrode by patterning the photoresist, and leaving the remaining portion; exposing the first electrode by etching the lift-off layer and the barrier layer on the first electrode; forming an organic functional layer on the first electrode and on the remaining photoresist; removing the barrier layer, the photoresist, and the organic functional layer on the remaining lift-off layer; and forming a second electrode on the organic functional layer on the first electrode.

公开(公告)号：US10403853B2

公开(公告)日：2019-09-03

申请号：US15239078

申请日：2016-08-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Choung ,  Younggil Kwon ,  Duckjung Lee

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

Abstract: An organic light-emitting display device includes: first and second pixel electrodes (PEs); a pixel-defining layer (PDL) disposed on the first and second PEs, the pixel-defining layer including first and second openings respectively exposing the first and second PEs; first and second intermediate layers (ILs) respectively disposed on the first and second PEs exposed via the first and second openings, each of the first and second ILs including an emission layer; first and second opposite electrodes (OEs) respectively disposed on the first and second ILs, the first and second OEs having an island-shaped pattern; first and second protective layers (PLs) respectively disposed on the first and second OEs, the first and second PLs having an island-shaped pattern; and a connection layer disposed on the first and second PLs, the connection layer electrically connecting the first and second OEs to one another.

公开(公告)号：US10243175B2

公开(公告)日：2019-03-26

申请号：US15410479

申请日：2017-01-19

Applicant: Samsung Display Co., Ltd.

Inventor： Younggil Kwon ,  Sungwoong Kim ,  Jinbaek Choi

IPC: H01L21/00 ,  H01L29/08 ,  H01L51/56 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52

Abstract: A method of manufacturing an organic light-emitting display apparatus includes: forming a lift-off layer on a substrate including a first electrode, the lift-off layer including a fluoropolymer; forming a pattern layer on the lift-off layer; etching the lift-off layer between patterns of the pattern layer by utilizing a first solvent to expose the first electrode; forming an organic functional layer on the first electrode and the pattern layer, the organic functional layer including an emission layer; removing remaining portions of the lift-off layer by utilizing a second solvent; and forming a second electrode on the organic functional layer.

公开(公告)号：US10090484B1

公开(公告)日：2018-10-02

申请号：US15866461

申请日：2018-01-10

Applicant: Samsung Display Co., Ltd.

Inventor： Younggil Kwon ,  Jiyoung Choung ,  Seul Lee ,  Jinbaek Choi

IPC: H01L51/52 ,  H01L27/32

Abstract: A method of manufacturing an organic light-emitting display apparatus includes the step of forming a first pixel electrode and a second pixel electrode on a substrate, forming a pixel-defining film on the first pixel electrode and the second pixel electrode, the pixel-defining film having an opening through which each of the first pixel electrode and the second pixel electrode is exposed, forming a first masking pattern on the pixel-defining film having a first opening portion through which the first pixel electrode is exposed, sequentially forming a first intermediate layer including a first emission layer, a first counter electrode, a first protective layer, and a first anti-decapping layer on the first pixel electrode and the first masking pattern, and removing the first masking pattern along with the first intermediate layer, the first counter electrode, the first protective layer, and the first anti-decapping layer disposed on the first masking pattern.