公开(公告)号：US20200212143A1

公开(公告)日：2020-07-02

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：US10347859B2

公开(公告)日：2019-07-09

申请号：US15606350

申请日：2017-05-26

Applicant: SAMSUNG DISPLAY CO., LTD. ,  Research & Business Foundation SUNGKYUNKWAN UNIVERSITY

Inventor： Yeonhwa Lee ,  Sangsoo Kim ,  Duckjung Lee ,  Joongu Lee ,  Sehoon Jeong ,  Jiyoung Choung

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/56 ,  C09K11/06 ,  H01L51/00 ,  C07C211/54 ,  C07C211/61 ,  C07D209/86 ,  C07D209/88 ,  C07D307/91 ,  C07D401/12 ,  C07D405/12 ,  C07D409/12

Abstract: An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an organic layer disposed between the first electrode and the second electrode, the organic layer including an emission layer, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode, wherein the electron transport region includes a first layer that includes a metal oxide and a metal halide, and wherein the first layer is not in direct contact with the emission layer.

公开(公告)号：US20180358584A1

公开(公告)日：2018-12-13

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

CPC classification number: H01L51/56 ,  H01L27/3244 ,  H01L27/3246 ,  H01L51/5012 ,  H01L51/5064 ,  H01L51/508

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：US20250092337A1

公开(公告)日：2025-03-20

申请号：US18675410

申请日：2024-05-28

Applicant: Samsung Display Co., Ltd.

Inventor： Areum Lee ,  Hwi Kim ,  Jungsun Park ,  Jihee Son ,  Seoulki Lee ,  Seungjun Lee ,  Yeonhwa Lee ,  Joongu Lee

IPC: C11D7/50

Abstract: A mask cleaning composition for cleaning a deposition mask includes a solvent having a Hansen solubility parameter distance Ra1 of 7.35 (MPa)1/2 or less, the Hansen solubility parameter distance Ra1 being expressed by Equation below: Ra1={4×(17.9−δD)2+(9.9−δP)2+(7.4−δH)2}1/2, where δD (MPa)1/2 indicates a dispersion power term of the solvent, δP (MPa)1/2 indicates a polarity term of the solvent, and δH (MPa)1/2 indicates a hydrogen bonding force term of the solvent.

公开(公告)号：US12245476B2

公开(公告)日：2025-03-04

申请号：US17737132

申请日：2022-05-05

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/13 ,  H10K59/122 ,  H10K59/131

Abstract: A display device includes an auxiliary wiring located on a substrate; an insulating layer arranged on the auxiliary wiring, overlapping the auxiliary wiring in a plan view, and including an opening having a width greater than a width of the auxiliary wiring; a first electrode located on the insulating layer; a bank layer including an emission opening that overlaps the first electrode in a plan view; an intermediate layer overlapping the first electrode through an emission opening in a plan view and including an emission layer; a second electrode on the intermediate layer; and an auxiliary layer arranged on the second electrode, wherein the auxiliary wiring includes sub-layers, and each of the second electrode and the auxiliary layer contacts a side surface of one of the sub-layers through the opening of the insulating layer.

公开(公告)号：US11943957B2

公开(公告)日：2024-03-26

申请号：US17337870

申请日：2021-06-03

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeik Kim ,  Hyejin Gwark ,  Jungsun Park ,  Heemin Park ,  Yongsub Shim ,  Yeonhwa Lee ,  Joongu Lee ,  Jongbeom Hong

IPC: H10K50/844 ,  H10K50/16 ,  H10K50/17 ,  H10K71/00

CPC classification number: H10K50/844 ,  H10K50/16 ,  H10K50/171 ,  H10K71/00

Abstract: A display apparatus includes a substrate including a display area including a transmission area and a pixel area, and a peripheral area adjacent to the display area; a display element disposed corresponding to the pixel area, the display element including a pixel electrode, an intermediate layer on the pixel electrode, and an opposite electrode on the intermediate layer; a hydrophobic layer disposed corresponding to the transmission area; and a plurality of fine particles disposed on the hydrophobic layer, the plurality of fine particles and the opposite electrode including a same material.

公开(公告)号：US11758768B2

公开(公告)日：2023-09-12

申请号：US17481002

申请日：2021-09-21

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H10K59/122 ,  H10K71/00 ,  H10K71/20 ,  H10K50/81 ,  H10K50/82 ,  H10K59/12 ,  H10K102/10

CPC classification number: H10K59/122 ,  H10K71/00 ,  H10K71/221 ,  H10K71/621 ,  H10K50/81 ,  H10K50/82 ,  H10K59/1201 ,  H10K2102/101 ,  H10K2102/103

Abstract: An organic light-emitting display apparatus including a substrate, a first first electrode on the substrate, a first organic functional layer on the first first electrode, the first organic functional layer including a first emission layer, a first second electrode on the first organic functional layer, a second first electrode on the substrate, the second first electrode being spaced apart from the first first electrode, a second organic functional layer on the second first electrode, the second organic functional layer including a second emission layer, a second second electrode on the second organic functional layer, and a self-assembled layer between the first organic functional layer and the second organic functional layer, the self-assembled layer containing fluorine.

公开(公告)号：US11706952B2

公开(公告)日：2023-07-18

申请号：US17224426

申请日：2021-04-07

Applicant: Samsung Display Co., Ltd.

Inventor： Yeonhwa Lee ,  Jaeik Kim ,  Joongu Lee ,  Hye Jin Gwark ,  Jungsun Park ,  Heemin Park

IPC: H10K59/122 ,  H10K71/00

CPC classification number: H10K59/122 ,  H10K71/00

Abstract: A display panel includes an emitting part including a light emitting element and a transmitting part adjacent to the emitting part and including a low adhesion part including a carbon compound. The low adhesion pattern includes fluorine (F).

公开(公告)号：US20230103050A1

公开(公告)日：2023-03-30

申请号：US17837769

申请日：2022-06-10

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/50 ,  H01L51/56

Abstract: A display device including a transmission area having improved transmittance and a method of manufacturing the same are provided. The display device includes: a substrate including a display area and a peripheral area outside the display area, the display area having a transmission area and a pixel area; a display element corresponding to the pixel area and including a pixel electrode, an intermediate layer on the pixel electrode, and a counter electrode on the intermediate layer; a photoluminescent layer corresponding to the transmission area and including a photoluminescent material; and an auxiliary layer on the photoluminescent layer, wherein the counter electrode includes a first material, the auxiliary layer includes a second material, and the first material is higher in surface energy than the second material, at room temperature.

公开(公告)号：US11609601B2

公开(公告)日：2023-03-21

申请号：US16812067

申请日：2020-03-06

Applicant: Samsung Display Co., Ltd.

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

IPC: G06F1/16 ,  H01L51/56 ,  H01L27/32 ,  H01L51/52

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.