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：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：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.

公开(公告)号：US20240102145A1

公开(公告)日：2024-03-28

申请号：US18347104

申请日：2023-07-05

Applicant: Samsung Display Co., Ltd.

Inventor： Heemin Park ,  Arong Kim ,  Youngmin Moon ,  Youngho Park ,  Areum Lee ,  Sungsoon Im ,  Junho Jo

IPC: C23C14/04 ,  H10K59/12 ,  H10K71/16

CPC classification number: C23C14/042 ,  H10K59/1201 ,  H10K71/166

Abstract: An apparatus for manufacturing a display device includes a mask assembly, and a deposition source that supplies a deposition material toward the mask assembly. The mask assembly includes a mask frame including a first opening, a sheet portion fixed on the mask, overlapping a portion of the first opening in a plan view, and including a plurality of second openings, a plurality of first masks corresponding to the plurality of second openings and fixed on the sheet portion, each including a plurality of third openings, and a second mask arranged on another portion of the first opening defined by an edge of the sheet portion and inner surfaces of the first opening, fixed on the mask frame, and including a plurality of fourth openings.

公开(公告)号：US20230133603A1

公开(公告)日：2023-05-04

申请号：US17967707

申请日：2022-10-17

Applicant: Samsung Display Co., Ltd.

Inventor： Heemin Park ,  Joongu Lee ,  Hyejin Gwark ,  Arong Kim ,  Jaeik Kim ,  Jungsun Park ,  Yeonhwa Lee ,  Kyuhwan Hwang

IPC: H01L27/32 ,  H01L51/56

Abstract: A display apparatus includes: an auxiliary line comprising a main sub-layer and an upper layer on the main sub-layer; an insulating layer comprising a first opening having a greater width than the auxiliary line, wherein the first opening overlaps the auxiliary line; a first electrode on the insulating layer; an intermediate layer overlapping the first electrode and comprising an emission layer; an auxiliary layer, at least a portion of which overlaps the auxiliary line; and a second electrode on the auxiliary layer, wherein the upper layer of the auxiliary line comprises a tip protruding, in a lateral direction, from a first point, in which a side surface and an upper surface of the main sub-layer meet each other, and being curved upwards from the first point, and the second electrode contacts the side surface of the main sub-layer through the first opening of the insulating layer.

公开(公告)号：US11101335B2

公开(公告)日：2021-08-24

申请号：US16740551

申请日：2020-01-13

Applicant: Samsung Display Co., Ltd.

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

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

Abstract: An organic light-emitting display apparatus including a substrate; a pixel electrode on the substrate; a pixel-defining layer including an opening exposing at least a portion of the pixel electrode; an intermediate layer including a center area on the pixel electrode and a side area extending from the center area and arranged on the pixel-defining layer, the intermediate layer including one or more common layers and an emission layer; a protective layer covering top surfaces of the center area and the side area of the intermediate layer and exposing at least a portion of the pixel-defining layer; and an opposite electrode spaced apart from the intermediate layer by the protective layer and arranged on the protective layer and portions of the pixel-defining layer, the portions being exposed by the protective layer.

公开(公告)号：US11049916B2

公开(公告)日：2021-06-29

申请号：US16239085

申请日：2019-01-03

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L29/08 ,  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：US10431742B2

公开(公告)日：2019-10-01

申请号：US15860466

申请日：2018-01-02

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/00 ,  G03F7/09 ,  G03F7/095 ,  G03F7/16 ,  G03F7/20 ,  G03F7/26 ,  H01L51/56 ,  H01L27/32 ,  H01L51/52 ,  H01L51/50

Abstract: A method of manufacturing an organic light-emitting display apparatus including forming a lift-off layer on a substrate including a first electrode, the lift-off layer including a fluoropolymer; sequentially forming a barrier layer and a photoresist on the lift-off layer, the barrier layer including an inorganic material; patterning the photoresist and the barrier layer to remove a first portion of the photoresist corresponding to the first electrode such that a second portion other than the first portion remains; etching a portion of the lift-off layer corresponding to the first portion to expose the first electrode; forming an organic functional layer and an auxiliary electrode over the first electrode and the second portion of the photoresist, the organic functional layer including an emission layer; and removing the lift-off layer, the barrier layer, the photoresist, the organic functional layer, and the auxiliary electrode remaining on the second portion.