公开(公告)号：US20230172005A1

公开(公告)日：2023-06-01

申请号：US17990448

申请日：2022-11-18

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L27/32

CPC classification number: H01L27/3246

Abstract: An organic light-emitting display device includes: a substrate; an insulating layer disposed on the substrate; a first electrode disposed on the insulating layer; a pixel defining layer disposed on the first electrode and defining an emission area by an opening that exposes at least part of the first electrode; a metal layer disposed on the pixel defining layer and in a non-emission area around the emission area; an organic light-emitting layer disposed on the first electrode in the opening; and a second electrode disposed on the organic light-emitting layer in the emission area and the non-emission area, where the metal layer is disposed between the pixel defining layer and the second electrode in the non-emission area.

公开(公告)号：US10749141B2

公开(公告)日：2020-08-18

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

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.

公开(公告)号：US10439160B2

公开(公告)日：2019-10-08

申请号：US15811979

申请日：2017-11-14

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Choung ,  Arong Kim ,  Yeonhwa Lee

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/50 ,  H01L51/56 ,  G09G3/3233

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：US10325970B2

公开(公告)日：2019-06-18

申请号：US15838091

申请日：2017-12-11

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L27/32 ,  H01L51/52 ,  H01L29/18 ,  H01J1/63 ,  H01L51/00

Abstract: A display device including a first pixel electrode and a second pixel electrode disposed adjacent to each other on a substrate; a pixel defining layer including a first opening corresponding to the first pixel electrode, a second opening corresponding to the second pixel electrode, and a first convex portion arranged adjacent to the first opening; a first intermediate layer arranged on the first pixel electrode to correspond to the first opening and including a first emission layer; and a first conductive inorganic layer arranged on the first intermediate layer to correspond to the first opening. At least one end of the first conductive inorganic layer extends beyond an end of the first intermediate layer and is disposed on the pixel defining layer between the first opening and the second opening.

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：US12035544B2

公开(公告)日：2024-07-09

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 ,  H10K50/15 ,  H10K50/17 ,  H10K50/813 ,  H10K50/822 ,  H10K50/824 ,  H10K59/12 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/122 ,  H10K50/813 ,  H10K50/822 ,  H10K50/824 ,  H10K59/1315 ,  H10K71/00 ,  H10K50/15 ,  H10K50/17 ,  H10K59/1201

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：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：US20230053320A1

公开(公告)日：2023-02-16

申请号：US17886456

申请日：2022-08-12

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/50 ,  H01L27/32

Abstract: A display apparatus includes a substrate, a first electrode, a second electrode to be adjacent to the first electrode, a first emission layer on the first electrode, a second emission layer on the second electrode, a first low adhesive pattern between a center of the first emission layer and a center of the second emission layer in a plan view, a first negative charge generation layer continuously disposed to cover the first emission layer, the second emission layer, and the first low adhesive pattern, a first positive charge generation layer on the first negative charge generation layer, a first upper emission layer on the first positive charge generation layer and overlapping the first emission layer, a second upper emission layer on the first positive charge generation layer and overlapping the second emission layer, and a common electrode on the first upper emission layer and the second upper emission layer.

公开(公告)号：US20200099006A1

公开(公告)日：2020-03-26

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: H01L51/50 ,  H01L51/00 ,  H01L51/56

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：US20240324302A1

公开(公告)日：2024-09-26

申请号：US18441963

申请日：2024-02-14

Applicant: Samsung Display Co., Ltd.

Inventor： Youngmin Moon ,  Arong Kim ,  Heemin Park

IPC: H10K59/122 ,  H10K59/12 ,  H10K71/60

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K71/60

Abstract: A display device includes a first pixel electrode and a second pixel electrode that are spaced from each other on a substrate, a pixel-defining layer including a first opening and a second opening, a first lower emission layer on the first pixel electrode, a second lower emission layer on the second pixel electrode, a first charge generation layer interposed between the first lower emission layer and a first upper emission layer, a second charge generation layer interposed between the second lower emission layer and a second upper emission layer, an opposite electrode on the first pixel electrode and the second pixel electrode, a heating metal layer on the pixel-defining layer and arranged between the first opening and second opening when seen from a direction perpendicular to the substrate, and an inorganic insulating layer covering the heating metal layer.