公开(公告)号：US12185594B2

公开(公告)日：2024-12-31

申请号：US18365206

申请日：2023-08-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Duckjung Lee

IPC: H10K59/122 ,  H10K71/00 ,  H10K71/20 ,  H10K59/12

Abstract: An organic light-emitting display device includes: a substrate; a pixel electrode on the substrate; a pixel defining layer having a first opening exposing a center portion of the pixel electrode; a barrier layer on the pixel defining layer; an intermediate layer including a first common layer, a first emissive layer, and a second common layer sequentially arranged on the pixel electrode, the pixel defining layer, and the barrier layer; and a first opposite electrode covering the intermediate layer. The barrier layer has a second opening that is larger than the first opening and has an undercut structure.

公开(公告)号：US12004413B1

公开(公告)日：2024-06-04

申请号：US18479202

申请日：2023-10-02

Applicant: Samsung Display Co., Ltd.

Inventor： Jeongkuk Kim ,  Heemin Park ,  Duckjung Lee ,  Sungsoon Im

IPC: H10K71/16 ,  C23C14/04

CPC classification number: H10K71/166 ,  C23C14/042

Abstract: A method of manufacturing a display device includes arranging a display substrate in a chamber, arranging a mask assembly in the chamber, and supplying a deposition material to the mask assembly by a deposition source. The arranging of the mask assembly includes disposing a stopping layer including a stopping layer opening on a first mask layer, disposing an inorganic layer on the stopping layer, forming a first mask opening in the first mask layer, and forming an inorganic opening of the inorganic layer by etching the inorganic layer corresponding to the stopping layer opening.

公开(公告)号：US11569317B2

公开(公告)日：2023-01-31

申请号：US17332870

申请日：2021-05-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Duckjung Lee ,  Hyejin Gwark ,  Arong Kim ,  Jungsun Park ,  Hyunsung Bang

IPC: H01L51/40 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  H01L51/50

Abstract: An organic light-emitting display apparatus, including a substrate including a plurality of pixel areas and non-pixel areas in a display area, a plurality of pixel electrodes respectively corresponding to the plurality of pixel areas, a pixel-defining layer including a cover portion and openings, wherein the cover portion covers an edge of each of the plurality of pixel electrodes, and each of the openings exposes a central portion of a pixel electrode among the plurality of pixel electrodes, an auxiliary electrode located such that the auxiliary electrode corresponds to at least a portion of a top surface of the cover portion, and an intermediate layer and a counter electrode, each located in the openings. The pixel-defining layer may have an under-cut structure in which the at least a portion of the top surface of the cover portion is recessed from the auxiliary electrode.

公开(公告)号：US11469374B2

公开(公告)日：2022-10-11

申请号：US17094281

申请日：2020-11-10

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunsung Bang ,  Arong Kim ,  Jungsun Park ,  Duckjung Lee

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

Abstract: An organic light-emitting display apparatus including: a substrate; a plurality of first electrodes spaced apart from each other on the substrate; a plurality of organic functional layers respectively covering an upper surface and side surfaces of the plurality of first electrodes, each of the plurality of organic functional layers including an emission layer; a first bank disposed between the plurality of organic functional layers and not directly contacting the plurality of first electrodes; and a second electrode disposed on the plurality of organic functional layers.

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：US10930875B2

公开(公告)日：2021-02-23

申请号：US16693382

申请日：2019-11-25

Applicant: Samsung Display Co., Ltd.

Inventor： Duckjung Lee ,  Arong Kim ,  Jungsun Park ,  Hyunsung Bang ,  Jiyoung Choung

IPC: H01L51/56 ,  G03F7/40 ,  H01L51/50 ,  H01L51/00 ,  G03F7/20 ,  H01L27/32 ,  H01L51/52

Abstract: An organic light-emitting display apparatus including: a first electrode of a first group; a first organic functional layer covering the first electrode of the first group and including a first emission layer; a second electrode of the first group covering the first organic functional layer; a first electrode of a second group separate from the first electrode of the first group; a second organic functional layer separate from the first organic functional layer, covering the first electrode of the second group, having a larger area than the first organic functional layer, and including a second emission layer; a second electrode of the second group covering the second organic functional layer; and a common electrode integrally and commonly disposed on the second electrode of the first group and the second electrode of the second group.

公开(公告)号：US10522779B2

公开(公告)日：2019-12-31

申请号：US15659569

申请日：2017-07-25

Applicant: Samsung Display Co., Ltd.

Inventor： Duckjung Lee ,  Arong Kim ,  Jungsun Park ,  Hyunsung Bang ,  Jiyoung Choung

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

Abstract: An organic light-emitting display apparatus including: a first electrode of a first group; a first organic functional layer covering the first electrode of the first group and including a first emission layer; a second electrode of the first group covering the first organic functional layer; a first electrode of a second group separate from the first electrode of the first group; a second organic functional layer separate from the first organic functional layer, covering the first electrode of the second group, having a larger area than the first organic functional layer, and including a second emission layer; a second electrode of the second group covering the second organic functional layer; and a common electrode integrally and commonly disposed on the second electrode of the first group and the second electrode of the second group.

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：US10340473B2

公开(公告)日：2019-07-02

申请号：US14844321

申请日：2015-09-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jiyoung Choung ,  Jungsun Park ,  Hyunsung Bang ,  Duckjung Lee

IPC: H01L27/32 ,  H01L51/52 ,  H01L29/08 ,  H01L35/24 ,  H01L51/00

Abstract: An organic light emitting display device has a plurality of first electrodes, intermediate layers, and second electrodes that correspond to a plurality of pixel areas. The first electrodes are spaced from one another, the second electrodes are spaced from one another, and the intermediate layers are spaced from one another. A conductive protection layer is formed over the second electrodes, and a connection electrode layer is formed over the conductive protection layer and electrically connecting the second electrodes.

公开(公告)号：US10205124B2

公开(公告)日：2019-02-12

申请号：US15465536

申请日：2017-03-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jungsun Park ,  Hyunsung Bang ,  Duckjung Lee ,  Jiyoung Choung ,  Arong Kim

IPC: H01L51/52 ,  H01L27/32

Abstract: An organic light-emitting display apparatus includes a substrate, a pixel electrode disposed on the substrate, a pixel-defining layer (PDL) disposed on the pixel electrode and having an opening exposing at least a part of the pixel electrode, an intermediate layer, a protective layer, and an opposite electrode be disposed on the PDL and having an opening exposing at least a part of the protective layer, wherein the opposite electrode is electrically connected to the protective layer. The intermediate layer may include a central portion disposed on the pixel electrode, an edge portion that extends from the central portion and contacts the PDL, at least one common layer, and an organic emission layer. The protective layer may include a central portion disposed on the central portion of the intermediate layer and an edge portion that extends from the central portion of the protective layer.