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：US10396136B2

公开(公告)日：2019-08-27

申请号：US16136458

申请日：2018-09-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jiyoung Choung ,  Jungsun Park ,  Minsoo Shin ,  Insung Hwang

IPC: H01L27/32 ,  H01L51/52

Abstract: An organic light-emitting display device, including a substrate that includes a plurality of first emission portions that realize a first color and a plurality of second emission portions that realize a second color; a pixel-defining film that defines the plurality of first emission portions and the plurality of second emission portions; a plurality of pixel electrodes that are separate from each other and respectively correspond to the plurality of first emission portions; and a first stacked structure that includes an intermediate layer and a counter electrode on the intermediate layer, the intermediate layer including an organic emission layer emitting light of the first color, the first stacked structure further including first emission pattern portions respectively corresponding to the plurality of first emission portions, and first connection pattern portions on the pixel-defining film, the first connection pattern portions connecting the first emission pattern portions.

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.

公开(公告)号：US20190019977A1

公开(公告)日：2019-01-17

申请号：US16133690

申请日：2018-09-17

Applicant: Samsung Display Co., Ltd.

Inventor： Younggil KWON ,  Jiyoung Choung ,  Seul LEE ,  Jinbaek CHOI

IPC: H01L51/52 ,  H01L27/32

Abstract: An organic light-emitting display apparatus includes: a first pixel electrode and a second pixel electrode disposed on a substrate; a pixel-defining film disposed on the first pixel electrode and the second pixel electrode and having openings through which the first pixel electrode and the second pixel electrode are exposed; a first intermediate layer and a second intermediate layer respectively disposed on the first pixel electrode and the second pixel electrode, the first intermediate layer and the second intermediate layer respectively comprising a first emission layer and a second emission layer; a first counter electrode and a second counter electrode respectively disposed on the first intermediate layer and the second intermediate layer; a first layer and a second layer respectively disposed on the first counter electrode and the second counter electrode and comprising fluorine; and a connection layer disposed on the first layer and the second layer and electrically connected to the first counter electrode and the second counter electrode.

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.

公开(公告)号：US20230205261A1

公开(公告)日：2023-06-29

申请号：US18108665

申请日：2023-02-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeik Kim ,  Jaesik Kim ,  Yeonhwa Lee ,  Joongu Lee ,  Jiyoung Choung

IPC: G06F1/16 ,  H10K59/121 ,  H10K71/00

CPC classification number: G06F1/1609 ,  H10K59/121 ,  H10K71/00 ,  H10K50/805

Abstract: A display apparatus having high external light transmittance and a manufacturing method of the display apparatus are provided, wherein the display apparatus does not substantially include a common electrode in a transmission region. Particularly, a display apparatus includes a first substrate, a second substrate facing the first substrate, and a display unit interposed between the first substrate and the second substrate.

公开(公告)号：US11283041B2

公开(公告)日：2022-03-22

申请号：US16696258

申请日：2019-11-26

Applicant: Samsung Display Co., Ltd.

Inventor： Yeonhwa Lee ,  Jaesik Kim ,  Jaeik Kim ,  Joongu Lee ,  Sehoon Jeong ,  Jiyoung Choung

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device includes: a circuit element layer comprising a transistor; a display element layer comprising a first electrode connected to the transistor, a second electrode facing the first electrode, an organic pattern between the first electrode and the second electrode, a pixel defining layer having an opening exposing the first electrode, an auxiliary electrode spaced apart from the opening to cover a portion of the pixel defining layer and connected to the second electrode, a first protection pattern covering the second electrode, and a second protection pattern covering the first protection pattern; and an encapsulation layer covering the display element layer, wherein the first protection pattern and the second protection pattern have stress in directions different from each other.

公开(公告)号：US11127902B2

公开(公告)日：2021-09-21

申请号：US16549413

申请日：2019-08-23

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.

公开(公告)号：US10784462B2

公开(公告)日：2020-09-22

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 ,  H01L27/32 ,  H01L51/50 ,  H01L51/56

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.