公开(公告)号：US20190334112A1

公开(公告)日：2019-10-31

申请号：US16378905

申请日：2019-04-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Duckjung LEE ,  Jiyoung CHOUNG ,  Arong KIM

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device includes a substrate including a display area and a peripheral area; pixel electrodes in the display area and spaced apart from each other; a pixel-defining layer exposing upper surfaces of the pixel electrodes, covering edges of the pixel electrodes, and including an inorganic insulating material; an auxiliary electrode on the pixel-defining layer; a first intermediate layer on a first pixel electrode among the pixel electrodes; a first opposite electrode on the first intermediate layer; a second intermediate layer on a second pixel electrode from among the pixel electrodes, the second pixel electrode neighboring the first pixel electrode; a second opposite electrode on the second intermediate layer and electrically connected to the first opposite electrode via the auxiliary electrode; a power voltage supply line in the peripheral area; and a connection electrode layer electrically connecting the auxiliary electrode to the power voltage supply line.

公开(公告)号：US20190363280A1

公开(公告)日：2019-11-28

申请号：US16534607

申请日：2019-08-07

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung CHOUNG ,  Arong KIM ,  Yeonhwa LEE

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

Abstract: A display device includes: a substrate including a first pixel area (PA) and a second PA, the first PA being spaced apart from the second PA by a non-PA; a first pixel electrode (PE) overlapping the first PA; a second PE overlapping the second PA; a pixel-defining layer including a first opening overlapping the first PE and a second opening overlapping the second PE; a first intermediate layer (IL) on the first PE, the first IL including a first emission layer (EL); a second IL on the second PE, the second IL including a second EL spaced apart from the first EL; a first opposite electrode (OE) on the first IL; a second OE on the second IL, the second OE being spaced apart from the first OE; and a wiring layer (WL) overlapping the non-PA, the WL contacting respective portions of the first OE and the second OE.

公开(公告)号：US20210296416A1

公开(公告)日：2021-09-23

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: H01L27/32 ,  H01L51/52 ,  H01L51/56

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：US20180190907A1

公开(公告)日：2018-07-05

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 ,  H01L51/56 ,  G03F7/09 ,  G03F7/095 ,  G03F7/16 ,  G03F7/20 ,  G03F7/26

CPC classification number: H01L51/0016 ,  G03F7/094 ,  G03F7/095 ,  G03F7/16 ,  G03F7/20 ,  G03F7/2022 ,  G03F7/26 ,  H01L27/3211 ,  H01L27/3246 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5206 ,  H01L51/5228 ,  H01L51/56

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.

公开(公告)号：US20180033967A1

公开(公告)日：2018-02-01

申请号：US15646908

申请日：2017-07-11

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunsung BANG ,  Arong KIM ,  Jungsun PARK ,  Duckjung LEE

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

CPC classification number: H01L51/0016 ,  H01L27/3246 ,  H01L27/3283 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5206 ,  H01L51/5228 ,  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：US20240324433A1

公开(公告)日：2024-09-26

申请号：US18380440

申请日：2023-10-16

Applicant: Samsung Display Co., LTD.

Inventor： Jeongkuk KIM ,  Arong KIM ,  Youngmin MOON ,  Youngho PARK ,  Heemin PARK ,  Sungsoon IM ,  Wonje CHO ,  Junho JO

IPC: H10K71/16 ,  C23C14/04 ,  H10K71/20

CPC classification number: H10K71/166 ,  C23C14/042 ,  H10K71/233

Abstract: An apparatus for manufacturing a display device includes a chamber, a mask assembly disposed in the chamber and facing a display substrate, a magnetic force portion which is disposed in the chamber and applies magnetic force to the mask assembly, and a deposition source which is disposed in the chamber, faces the mask assembly and supplies a deposition material so that the deposition material passes through the mask assembly and is deposited on the display substrate, where the mask assembly includes a first mask layer in which a first mask opening is defined, and a second mask layer which is disposed on the first mask layer and in which a second mask opening overlapping the first mask opening is defined, where the second mask layer includes a 2-1st mask portion, and a 2-2nd mask portion protruding from the 2-1st mask portion toward the display substrate.

公开(公告)号：US20240324397A1

公开(公告)日：2024-09-26

申请号：US18438698

申请日：2024-02-12

Applicant: Samsung Display Co., LTD.

Inventor： Heemin PARK ,  Arong KIM ,  Youngmin MOON

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122 ,  H10K59/124 ,  H10K59/131 ,  H10K71/60 ,  H10K102/00

CPC classification number: H10K59/80522 ,  H10K59/1201 ,  H10K59/122 ,  H10K59/124 ,  H10K71/60 ,  H10K59/131 ,  H10K2102/351

Abstract: A display device includes a substrate, a gate insulating layer, an auxiliary electrode extending in a first direction in a plan view parallel to the substrate and including a first portion and a second portion, the first portion having a first thickness in a second direction crossing the first direction, and the second portion having a second thickness in the second direction, an inorganic insulating layer defining a first opening exposing a portion of the second portion, an organic insulating layer defining a second opening exposing a portion of the second portion, an intermediate layer disposed on the organic insulating layer and defining a third opening exposing a portion of the second portion, and an opposite electrode disposed on the intermediate layer and contacting upper and side surfaces of the auxiliary electrode. The second thickness of the second portion is less than the first thickness of the first portion.

公开(公告)号：US20230172007A1

公开(公告)日：2023-06-01

申请号：US18161840

申请日：2023-01-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Duckjung LEE ,  Hyejin GWARK ,  Arong KIM ,  Jungsun PARK ,  Hyunsung BANG

IPC: H10K59/122 ,  H10K50/813 ,  H10K50/822 ,  H10K50/824 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/122 ,  H10K50/813 ,  H10K50/822 ,  H10K50/824 ,  H10K59/1315 ,  H10K71/00 ,  H10K50/15

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：US20210057648A1

公开(公告)日：2021-02-25

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：US20190157615A1

公开(公告)日：2019-05-23

申请号：US16260116

申请日：2019-01-29

Applicant: Samsung Display Co., Ltd.

Inventor： Jungsun PARK ,  Hyunsung BANG ,  Duckjung LEE ,  Jiyoung CHOUNG ,  Arong KIM

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5253 ,  H01L27/3246 ,  H01L51/5225 ,  H01L51/5228

Abstract: A method of manufacturing an organic light-emitting display apparatus includes: forming a pixel electrode on a substrate; forming a pixel-defining layer (PDL) having an opening exposing at least a part of the pixel electrode; forming an intermediate layer including 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; forming a protective layer including 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 and contacts the PDL; and forming an opposite electrode on the PDL, the opposite electrode having an opening exposing at least a part of the protective layer and electrically connected to the protective layer.