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：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.

公开(公告)号：US20240243138A1

公开(公告)日：2024-07-18

申请号：US18519386

申请日：2023-11-27

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Joon Yong PARK

IPC: H01L27/12 ,  H01L25/075 ,  H01L25/16 ,  H01L33/38 ,  H01L33/62

CPC classification number: H01L27/124 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/1225 ,  H01L33/382 ,  H01L33/62

Abstract: A display device according to an embodiment includes a transistor disposed on a substrate, a first conductive layer electrically connected to the transistor, a first metal layer electrically connected to the first conductive layer, a first electrode electrically connected to the first metal layer, and an emission layer electrically connected to the first electrode. The first metal layer includes a first layer including Zn-ITO, a second layer including Ag, and a third layer including Zn-ITO.

公开(公告)号：US20240147820A1

公开(公告)日：2024-05-02

申请号：US18222348

申请日：2023-07-14

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Joon Yong PARK

IPC: H10K59/80 ,  H10K59/40 ,  H10K71/20

CPC classification number: H10K59/8792 ,  H10K59/40 ,  H10K59/873 ,  H10K71/231 ,  H10K2102/351

Abstract: A display device includes: a display panel having a display area and a non-display area; and a viewing angle control layer in the display area. The viewing angle control layer includes a plurality of viewing angle control patterns spaced apart from one another, and each of the viewing angle control patterns includes a transparent insulating pattern and a multi-layer sidewall on a side surface of the transparent insulating pattern. The multi-layer sidewall includes a first metal nitride layer, a second metal nitride layer, and a metal layer between the first metal nitride layer and the second metal nitride layer, and the first metal nitride layer, the second metal nitride layer, and the metal layer each includes Al or Ti.

公开(公告)号：US20240138194A1

公开(公告)日：2024-04-25

申请号：US18224610

申请日：2023-07-20

Applicant: Samsung Display Co., LTD.

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

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

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/873

Abstract: A display device includes first and second pixel electrodes on a substrate to be spaced apart from each other, an inorganic insulating layer on the substrate to partially cover the first pixel electrode and the second pixel electrode, a bank structure on the inorganic insulating layer, where first and second openings overlapping the first and second pixel electrodes are defined through the bank structure, first and second light emitting layers on the first and second pixel electrodes, and first and second common electrodes on the first and second light emitting layers. The bank structure includes first and second bank layers and including different organic insulating materials from each other, the second bank layer has different thicknesses depending on positions thereof, the second bank layer includes tips protruding more than side surfaces of the first bank layer defining the first and second openings, and the first bank layer includes AlNiLaCu.

公开(公告)号：US20230086407A1

公开(公告)日：2023-03-23

申请号：US17717554

申请日：2022-04-11

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Eok SHIN ,  Do Keun SONG ,  Dong Min LEE ,  Joon Yong PARK ,  Hyun Ah SUNG ,  Yun Jong YEO ,  Dae Won CHOI

IPC: H01L27/32

Abstract: A conductive pattern is disclosed that includes a conductive layer including aluminum, a first capping layer disposed on the conductive layer and including titanium, and a second capping layer disposed on the first capping layer and including titanium nitride. A mixed region in which the aluminum and the titanium are mixed with each other is disposed in at least portions of the conductive layer and the first capping layer.