公开(公告)号：US11476436B2

公开(公告)日：2022-10-18

申请号：US16363813

申请日：2019-03-25

Applicant: Samsung Display Co., Ltd.

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

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

Abstract: An organic light-emitting display apparatus and a manufacturing method thereof have improved process stability and reliability by reducing damage to the organic light-emitting display apparatus during a manufacturing process. The organic light-emitting display apparatus includes: a substrate, a plurality of pixel electrodes, a pixel defining film, a plurality of hole control layers respectively arranged on the pixel electrodes, a plurality of emission layers respectively arranged on the hole control layers, a plurality of buffer layers respectively arranged on the emission layers, each of the buffer layers having a highest occupied molecular orbital (HOMO) energy level greater than the HOMO energy level of each of the plurality of emission layers, and an opposite electrode integrally provided over the buffer layers.

公开(公告)号：US11222936B2

公开(公告)日：2022-01-11

申请号：US16585240

申请日：2019-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Sehoon Jeong ,  Hyeyong Chu ,  Jaesik Kim ,  Yeonhwa Lee

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

Abstract: An organic light-emitting display apparatus including: a substrate; a pixel electrode located on the substrate; a pixel-defining film coveting an end portion of the pixel electrode; an intermediate layer located on the pixel electrode and including an emission layer; a counter electrode located on the intermediate layer; a passivation layer located on the counter electrode and including a cover portion covering a top surface of the counter electrode and a protrusion extending from an end portion of the cover portion away from the substrate; and an encapsulation member covering the passivation layer.

公开(公告)号：US10693068B2

公开(公告)日：2020-06-23

申请号：US15657439

申请日：2017-07-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Joongu Lee ,  Yeonhwa Lee ,  Sehoon Jeong ,  Jiyoung Choung

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

Abstract: Provided are an organic light-emitting display apparatus and a method of manufacturing the same. The organic light-emitting display apparatus includes a substrate; lower electrodes, the lower electrodes being on the substrate and spaced apart from one another; a pixel-defining film, the pixel-defining film having portions that cover ends of the lower electrodes; upper electrodes, an upper electrode corresponding to each lower electrode, each upper electrode including a first portion contacting the corresponding lower electrode and a second portion contacting the pixel-defining film; organic functional layers, each including an emission layer, an organic functional layer corresponding to each upper electrode and disposed thereon; and an electrode on the organic functional layers.

公开(公告)号：US10608064B2

公开(公告)日：2020-03-31

申请号：US16538618

申请日：2019-08-12

Applicant: Samsung Display Co., Ltd.

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

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

Abstract: An organic light-emitting display device includes a first pixel electrode, a second pixel electrode, a pixel-defining layer disposed on the first pixel electrode and the second pixel electrode and exposing at least portions of the first pixel electrode and the second pixel electrode, a first stack disposed on the exposed portion of the first pixel electrode, a first protective layer, a second stack disposed on the exposed portion of the second pixel electrode, and a first inorganic conductive layer. The first stack includes a first intermediate layer including an emission layer and a first opposite electrode on the first intermediate layer. The first protective layer is disposed on the first stack. The second stack includes a second intermediate layer including an emission layer and a second opposite electrode on the second intermediate layer. The first inorganic conductive layer is disposed between the second pixel electrode and the second stack.

公开(公告)号：US20190173046A1

公开(公告)日：2019-06-06

申请号：US16185876

申请日：2018-11-09

Applicant: Samsung Display Co., Ltd.

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

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

Abstract: A method includes: forming first and second pixel electrodes on a substrate; exposing upper surfaces of the first and second pixel electrodes; forming a pixel defining layer covering edges of the first and second pixel electrodes; sequentially forming a first lift-off layer, a first shape memory alloy layer, and a first photoresist; forming a first opening exposing an upper surface of the first pixel electrode by patterning the first lift-off layer, the first shape memory alloy layer, and the first photoresist; forming, on the first pixel electrode and the first photoresist, a first organic functional layer including a first emission layer; deforming an end portion of the first shape memory alloy layer, in the first opening, in a direction away from a horizontal surface of the substrate; forming a first protection layer over the first organic functional layer; and removing a remainder of the first lift-off layer.

公开(公告)号：US10236328B2

公开(公告)日：2019-03-19

申请号：US15831829

申请日：2017-12-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaesik Kim ,  Yeonhwa Lee ,  Joongu Lee ,  Sehoon Jeong

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

Abstract: A method of manufacturing an organic light-emitting display device includes forming pixel electrodes on a substrate, forming a first protective layer with a first exposure portion that exposes a first pixel electrode of the pixel electrodes, forming on the first pixel electrode a first intermediate layer and a first blocking layer covering the first intermediate layer, removing the first protective layer, forming a second protective with a second exposure portion that exposes a second pixel electrode of the pixel electrodes, forming on the first pixel electrode a second intermediate layer and a second blocking layer covering the second intermediate layer, removing the second protective layer, forming a third protective with a third exposure portion that exposes a third pixel electrode of the pixel electrodes, and forming a third intermediate layer on the third pixel electrode, wherein each of the first and second blocking layers includes a self-assembled monolayer.

公开(公告)号：US10211430B2

公开(公告)日：2019-02-19

申请号：US15803131

申请日：2017-11-03

Applicant: Samsung Display Co., Ltd.

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

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

Abstract: A method of manufacturing an organic light-emitting display device includes: preparing a substrate including pixel electrodes; forming a pixel defining layer on the substrate, the pixel defining layer exposing a central portion of each of the pixel electrodes and covering an edge portion of each of the pixel electrodes; forming partitioning walls in correspondence with at least a portion of an upper surface of the pixel defining layer, the partitioning walls including a first resin; removing a solvent in the partitioning walls by baking the partitioning walls; forming a first mask layer filling a space between the partitioning walls and exposing a first pixel electrode among the pixel electrodes, the first mask layer including a second resin; and forming a first intermediate layer on the first pixel electrode.

公开(公告)号：US12029104B2

公开(公告)日：2024-07-02

申请号：US18173774

申请日：2023-02-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seungwook Kwon ,  Jaesik Kim ,  Woo Yong Sung ,  Seoyeon Lee ,  Ung-Soo Lee ,  Jamin Lee ,  Jeongseok Lee ,  Sehoon Jeong ,  Seunggun Chae ,  Seung-Yeon Chae

IPC: H10K77/10 ,  B32B3/04 ,  B32B37/18 ,  B32B38/00 ,  H10K50/84 ,  H10K50/844 ,  H10K50/87 ,  H10K59/12 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K77/111 ,  B32B3/04 ,  B32B37/18 ,  B32B38/145 ,  H10K50/841 ,  H10K50/844 ,  H10K50/87 ,  H10K59/12 ,  H10K71/00 ,  B32B2457/20 ,  H10K59/1201 ,  H10K2102/311

Abstract: A display device includes a base layer including first and second portions, and a third portion between the first and second portions and configured to be bent, folded, or rolled, a light emitting element layer on one surface of the base layer at the first portion, and including light emitting elements, a circuit board on the one surface of the base layer at the third portion, and electrically connected to the light emitting elements, protective patterns spaced apart from each other on another surface of the base layer, including a resin, and also including first protective patterns spaced apart from each other on the other surface of the base layer at the first portion, and at least one second protective pattern on the other surface of the base layer at the second portion, and at least one of a heat dissipation layer or a cushion layer below the protective patterns.

公开(公告)号：US11594693B2

公开(公告)日：2023-02-28

申请号：US17212933

申请日：2021-03-25

Applicant: Samsung Display Co., Ltd.

Inventor： Seungwook Kwon ,  Jaesik Kim ,  Woo Yong Sung ,  Seoyeon Lee ,  Ung-Soo Lee ,  Jamin Lee ,  Jeongseok Lee ,  Sehoon Jeong ,  Seunggun Chae ,  Seung-Yeon Chae

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  B32B38/00 ,  B32B37/18 ,  B32B3/04 ,  H01L51/56

Abstract: A display device includes a base layer including first and second portions, and a third portion between the first and second portions and configured to be bent, folded, or rolled, a light emitting element layer on one surface of the base layer at the first portion, and including light emitting elements, a circuit board on the one surface of the base layer at the third portion, and electrically connected to the light emitting elements, protective patterns spaced apart from each other on another surface of the base layer, including a resin, and also including first protective patterns spaced apart from each other on the other surface of the base layer at the first portion, and at least one second protective pattern on the other surface of the base layer at the second portion, and at least one of a heat dissipation layer or a cushion layer below the protective patterns.

公开(公告)号：US11508789B2

公开(公告)日：2022-11-22

申请号：US17155785

申请日：2021-01-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Woo Yong Sung ,  Junghan Seo ,  Seungyong Song ,  Sehoon Jeong ,  Seung-Yeon Chae

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  H01L51/56 ,  G06F3/044 ,  G06F3/041

Abstract: The present disclosure provides a display device with a display panel, an input sensing unit, and a protective member. The input sensing unit is disposed on the display panel. The protective member includes an insulating material and is disposed on the input sensing unit. The protective member includes a first protective portion and a second protective portion disposed on the first protective portion, where a first modulus of the first protective portion is greater than a second modulus of the second protective portion. The second protective portion with the lower modulus absorbs external impacts, and the first protective portion with the higher modulus disperses the absorbed impact and prevents the display panel from being deformed by an external force. Therefore, the impact resistance of the display device is improved.