公开(公告)号：US20250107338A1

公开(公告)日：2025-03-27

申请号：US18666466

申请日：2024-05-16

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Keun Woo KIM ,  Byung Soo SO ,  Seung Yong SONG ,  Ju Hyun LEE ,  Sung Soon IM ,  Keun Ho JANG ,  In Young JUNG

IPC: H10K59/122 ,  H10K50/17 ,  H10K59/12 ,  H10K59/131 ,  H10K71/20

Abstract: A display device includes a substrate having a light emitting area and a non-light emitting area; a first anode electrode on the light emitting area of the substrate; a pixel defining layer on the non-light emitting area of the substrate and defining a first opening; an organic separator layer on the pixel defining layer and defining a second opening; a first light emitting layer on the first anode electrode; a common electron layer on the first light emitting layer and the organic separator layer; and a common electrode on the common electron layer, wherein the organic separator layer does not overlap the light emitting area, and overlaps the non-light emitting area to be in contact with the pixel defining layer, the first light emitting layer, and the common electron layer.

公开(公告)号：US20250098428A1

公开(公告)日：2025-03-20

申请号：US18659252

申请日：2024-05-09

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Joon Yong PARK ,  Dong Min LEE ,  Sung Soon IM

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80

Abstract: A display device includes an anode electrode on the emission area of the substrate, a pixel-defining layer on the non-emission area of the substrate and including a first opening, a first bank layer on the pixel-defining layer, including a second opening, and including a conductive material, a second bank layer on the first bank layer and including a tip that protrudes over a side surface of the first bank layer toward the first opening, a cathode electrode on the anode electrode and contacting the side surface of the first bank layer, and an electrode pattern on the second bank layer and including a same material as the first cathode electrode. The cathode electrode and the electrode pattern are spaced apart from each other, and the electrode pattern covers a surface of the second bank layer facing the first opening in line with the protruding tip.

公开(公告)号：US20250056970A1

公开(公告)日：2025-02-13

申请号：US18599386

申请日：2024-03-08

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Su Kyoung YANG ,  Dong Min LEE ,  Joon Yong PARK ,  Byung Soo SO ,  Yung Bin CHUNG

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80

Abstract: A display device includes a pixel electrode in a light emission area, a pixel defining layer which is on the pixel electrode and defines the light emission area, a light emitting layer and a common electrode on the pixel electrode, a bank on the pixel defining layer, the bank including a first bank layer defining a lower portion of a bank opening corresponding to the light emission area and a second bank layer which defines an upper portion of the bank opening and a tip of the bank, the tip including upper and lower surfaces of the second bank layer, a lower inorganic encapsulation layer which is on the bank and includes an inorganic pattern on the common electrode and facing and spaced apart from both the upper and lower surfaces of the tip, and an auxiliary pattern between the lower surface of the tip and the inorganic pattern.

公开(公告)号：US20240431145A1

公开(公告)日：2024-12-26

申请号：US18417960

申请日：2024-01-19

Applicant: Samsung Display Co., LTD.

Inventor： Dong Min LEE ,  Jong Hee PARK ,  Su Kyoung YANG ,  Joon Yong PARK ,  Hyun Eok SHIN

IPC: H10K59/122 ,  H10K59/12

Abstract: A display device includes: a first pixel electrode disposed on a substrate, a sacrificial pattern disposed on an edge of the first pixel electrode, a pixel defining film including a body portion disposed on the substrate and a protrusion portion disposed on the sacrificial pattern and exposing the first pixel electrode, a first light emitting layer disposed on the first pixel electrode, a first common electrode disposed on the first light emitting layer, a first bank layer disposed on the pixel defining film, and a second bank layer disposed on the first bank layer and having a side surface protruding more than a side surface of the first bank layer. A first side surface of the sacrificial pattern is aligned with a side surface of the protrusion portion of the pixel defining film or protrudes more than the side surface of the protrusion portion of the pixel defining film.

公开(公告)号：US20240397753A1

公开(公告)日：2024-11-28

申请号：US18595810

申请日：2024-03-05

Applicant: Samsung Display Co., LTD.

Inventor： Joon Yong PARK ,  Hyun Eok SHIN ,  Su Kyoung YANG ,  Dong Min LEE

IPC: H10K59/122 ,  H10K59/80 ,  H10K102/00

Abstract: A display device includes a first electrode on a substrate; a pixel-defining layer disposed on the substrate and defining a first opening overlapping the first electrode, a bank structure disposed on the pixel-defining layer and defining a second opening overlapping the first opening; a first emissive layer disposed on the first electrode and disposed in the first opening; and a second electrode disposed on the first emissive layer and contacting the bank structure in the second opening. The bank structure includes a first base disposed on the pixel-defining layer and including a conductive material, and a second base disposed on the first base and including a tip protruding toward the first opening. The second base includes a first bank layer disposed on the first base and including a transparent conductive material, and a second bank layer disposed on the first bank layer and including a conductive material.

公开(公告)号：US20240389418A1

公开(公告)日：2024-11-21

申请号：US18543745

申请日：2023-12-18

Applicant: Samsung Display Co., LTD.

Inventor： Joon Yong PARK ,  Hyun Eok SHIN ,  Su Kyoung YANG ,  Dong Min LEE

IPC: H10K59/131 ,  H10K59/122 ,  H10K59/80

Abstract: A display device includes a substrate; a first pixel electrode disposed on the substrate; a pixel defining layer disposed on the substrate and defining a first opening overlapping the first pixel electrode; a bank structure disposed on the pixel defining layer and defining a second opening overlapping the first opening; a first light emitting layer disposed on the first pixel electrode and in the first opening; a first common electrode disposed on the first light emitting layer and in contact with the bank structure in the second opening; a first auxiliary electrode disposed on the first common electrode, completely covering the first common electrode in the second opening, and in contact with the bank structure; a second auxiliary electrode disposed on the first auxiliary electrode, completely covering the first auxiliary electrode in the second opening, and in contact with the bank structure; and a first encapsulation layer.

公开(公告)号：US20240389394A1

公开(公告)日：2024-11-21

申请号：US18410134

申请日：2024-01-11

Applicant: Samsung Display Co., LTD.

Inventor： Joon Yong PARK ,  Hyun Eok SHIN ,  Su Kyoung YANG ,  Dong Min LEE

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/126 ,  H10K59/38 ,  H10K59/40 ,  H10K71/20 ,  H10K71/60 ,  H10K102/00

Abstract: A display device includes an emission area including a pixel electrode, an inorganic layer exposing the pixel electrode to outside the inorganic layer, a light emitting layer and a common electrode, and a bank layer on the inorganic layer and in which an opening is defined corresponding to the emission area. The bank layer includes a first bank layer including zinc, a second bank layer on the first bank layer, a third bank layer on the second bank layer, each of the first bank layer, the second bank layer and the third bank layer including a side surface which defines a portion of the opening in the bank layer; the side surface of the first bank layer recessed from the side surface of the second bank layer in a direction away from the first emission area; and the side surface of the second bank layer recessed from the side surface of the first bank layer in a direction away from the emission area.

公开(公告)号：US20240349580A1

公开(公告)日：2024-10-17

申请号：US18530624

申请日：2023-12-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Eok SHIN ,  Ju Hyun LEE ,  Dong Min LEE

IPC: H10K59/80 ,  G06F3/041 ,  G06F3/044 ,  H10K59/40

CPC classification number: H10K59/8792 ,  G06F3/0412 ,  G06F3/0445 ,  H10K59/40

Abstract: A touch sensing unit having a substrate including an emission area and a non-emission area, a light emitting element positioned on the substrate and overlapping the emission area, a thin film encapsulation layer on the light emitting element and a touch sensor layer positioned on the thin film encapsulation layer, including a touch insulating layer on the thin film encapsulation layer, a touch metal layer on the touch insulating layer, and a touch protection layer on the touch metal layer, including a first conductive layer on the touch insulating layer, a second conductive layer on the first conductive layer and a first inclined surface connecting the first surface to the second surface and a third conductive layer covering the first inclined surface and the second surface of the second conductive layer.

公开(公告)号：US20240334756A1

公开(公告)日：2024-10-03

申请号：US18488267

申请日：2023-10-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Yong KA ,  Joon Yong PARK ,  Hyun Eok SHIN

IPC: H10K59/123 ,  H10K59/12 ,  H10K59/122 ,  H10K59/131 ,  H10K59/38 ,  H10K85/10

CPC classification number: H10K59/123 ,  H10K59/1201 ,  H10K59/122 ,  H10K59/131 ,  H10K59/38 ,  H10K85/1135 ,  H10K59/879 ,  H10K2102/351

Abstract: A display device may include a substrate including an emission area and a non-emission area, a transistor electrode above the substrate, a via layer over the transistor electrode, and defining a first opening exposing the transistor electrode, an organic layer above the via layer to fill the first opening, a first electrode above the organic layer, and electrically connected to the transistor electrode through the organic layer, an emission layer above the first electrode, and a second electrode over the emission layer.

公开(公告)号：US20240306430A1

公开(公告)日：2024-09-12

申请号：US18423329

申请日：2024-01-26

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Joon Yong PARK ,  Do Keun SONG ,  Ju Hyun LEE ,  Yu-Gwang JEONG

IPC: H10K59/122 ,  H10K59/00 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/771

Abstract: An embodiment provides a display device including transistors disposed on a substrate; an insulating layer disposed on the transistors; a first electrode disposed on the insulating layer and electrically connected to at least one of the transistors; a partition wall disposed on the insulating layer, and a common layer disposed on the partition wall and the first electrode, wherein the partition wall includes a groove, the groove has a shape having an inner width wider than an inlet width, and the common layer is disposed inside the groove.