公开(公告)号：US20250107343A1

公开(公告)日：2025-03-27

申请号：US18745412

申请日：2024-06-17

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80 ,  H10K71/60 ,  H10K102/00 ,  H10K102/10

Abstract: A display device may include a light emitting portion disposed on a base layer; a partition wall disposed adjacent to the light emitting portion; and a partition wall insulating layer covering at least a portion of the partition wall. The partition wall may include a first partition wall layer; a second partition wall layer disposed on the first partition wall layer; and a third partition wall layer disposed on the second partition wall layer. The third partition wall layer may include a Transparent Conductive Oxide (TCO) material, and the partition wall insulating layer may not cover a top surface of the light emitting portion.

公开(公告)号：US20250107339A1

公开(公告)日：2025-03-27

申请号：US18672685

申请日：2024-05-23

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN

IPC: H10K59/122 ,  H10K59/00

Abstract: A display device according to an embodiment includes a transistor located on a substrate, a first electrode electrically connected to the transistor; a first functional layer located on the first electrode, a light emitting layer located on the first functional layer, a second functional layer located on the light emitting layer, a second electrode located on the second functional layer; a pixel defining layer located on the first electrode, and a separator located on the pixel defining layer, wherein the separator includes a first sub-layer including an insulating material, and a second sub-layer located on the first sub-layer and including a metal material, and an end of the second electrode contacts a side surface of the second sub-layer.

公开(公告)号：US20250089463A1

公开(公告)日：2025-03-13

申请号：US18633458

申请日：2024-04-11

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/122 ,  H10K59/12

Abstract: A display device includes a substrate including a first emission area, a transmissive area, and a non-emission area disposed between the first emission area and the transmissive area; a pixel-defining layer disposed on the non-emission area of the substrate and defining a first opening; a bank structure disposed on the pixel-defining layer, defining a second opening, and including different materials; and a first light-emitting element disposed on the first emission area of the substrate and in contact with the bank structure, where the bank structure includes a first bank layer including a conductive material; and a second bank layer disposed on the first bank layer and including tips that protrude on opposite sides of the second bank layer toward the first opening and the transmissive area than side surfaces of the first bank layer.

公开(公告)号：US20240373678A1

公开(公告)日：2024-11-07

申请号：US18534848

申请日：2023-12-11

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/122 ,  H10K59/12

Abstract: A display device includes anode electrodes, an inorganic insulating layer exposing each anode electrode, a bank member on the inorganic insulating layer and including an opening overlapping each anode electrode, a light emitting layer on each anode electrode and including a portion on the inorganic insulating layer, and a cathode electrode on the light emitting layer and including a portion in contact with the bank member. The bank member includes a first bank layer, and a second bank layer on the first bank layer, including a metal material different from that of the first bank layer, and including a tip portion protruding than the first bank layer at a sidewall of the opening, and a lateral side of the inorganic insulating layer defining a pattern opening exposing each anode electrode and an end portion of the tip portion of the second bank layer are aligned to each other.

公开(公告)号：US20240357871A1

公开(公告)日：2024-10-24

申请号：US18521142

申请日：2023-11-28

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/122 ,  H10K59/80 ,  H10K71/60

CPC classification number: H10K59/122 ,  H10K59/80522 ,  H10K71/60 ,  H10K2102/102 ,  H10K2102/103

Abstract: A display device includes anode electrodes spaced apart, a bank structure surrounding the anode electrodes, and including openings, a capping layer on the anode electrode, electrically connected thereto, and having at least a portion spaced apart from the anode electrodes, an inorganic insulating layer on the capping layer within the openings and exposing a portion of an upper surface of the capping layer, light emitting layers each on the capping layer and having a portion contacting a side surface of the bank structure, cathode electrodes on the light emitting layers and having a portion contacting the side surface of the bank structure, and auxiliary common electrodes on the cathode electrodes and having a portion disposed on the bank structure. The bank structure includes first and second bank layers having different material, and the second includes a tip protruding more than the first bank layer.

公开(公告)号：US20240334746A1

公开(公告)日：2024-10-03

申请号：US18515550

申请日：2023-11-21

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Dong Min LEE ,  Ju Hyun LEE ,  Yung Bin CHUNG

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: A display device includes a transistor layer disposed on a substrate and including at least one transistor, an insulating layer disposed on the transistor layer, a first pixel electrode disposed on the insulating layer, a first pixel defining layer covering a side surface of the first pixel electrode and a side surface of the insulating layer and defining a first emission area, a first light emitting layer disposed in the first emission area on the first pixel electrode, a first common electrode disposed on the first light emitting layer, and a bank disposed on the insulating layer and surrounding the first pixel electrode. The first pixel electrode and the bank are disposed on a same layer and include a same material.

公开(公告)号：US20240334739A1

公开(公告)日：2024-10-03

申请号：US18741771

申请日：2024-06-13

Applicant: Samsung Display Co., Ltd.

Inventor： Ju Hyun LEE ,  Gyung Min BAEK ,  Hyun Eok SHIN ,  Sung Joo KWON

IPC: H10K50/86 ,  H10K59/122

CPC classification number: H10K50/865 ,  H10K59/122

Abstract: A display devise is provided. A display device includes a substrate, a lower metal pattern disposed on one surface of the substrate, a buffer layer disposed on the one surface of the substrate to cover the lower metal pattern, a semiconductor layer disposed on the buffer layer, a gate insulating film disposed on the semiconductor layer, and a gate electrode disposed on the gate insulating film, wherein the lower metal pattern includes an antireflection layer disposed on the one surface of the substrate and a conductive metal layer disposed on one surface of the antireflection layer, and the antireflection layer includes molybdenum oxide (MoOx) and at least one of zinc oxide (ZnOx) and indium oxide (InOx).

公开(公告)号：US20240215323A1

公开(公告)日：2024-06-27

申请号：US18371370

申请日：2023-09-21

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Joon Yong PARK ,  Ju Hyun LEE

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

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/8792

Abstract: A display device includes a first pixel electrode disposed on a substrate; an inorganic insulating layer disposed on the substrate; a bank structure disposed on the inorganic insulating layer and including a first opening, which overlap with the first pixel electrode; a first light-emitting layer disposed on the first pixel electrode; and a first common electrode disposed on the first light-emitting layer. The bank structure includes a first bank layer, which is disposed directly on the inorganic insulating layer and includes MoTaOx, a second bank layer, which is disposed on the first bank layer and includes MoTaOx, and a third bank layer, which is disposed between the first bank layer and the second bank layer and includes copper (Cu). The second bank layer includes tips, which protrude beyond the third bank layer, on a sidewall of the first opening, and the first and second bank layers include different Ta contents.

公开(公告)号：US20240215305A1

公开(公告)日：2024-06-27

申请号：US18375670

申请日：2023-10-02

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Joon Yong PARK

IPC: H10K59/12 ,  H10K59/121 ,  H10K59/122 ,  H10K59/80 ,  H10K71/20 ,  H10K85/30

CPC classification number: H10K59/1201 ,  H10K59/121 ,  H10K59/122 ,  H10K59/873 ,  H10K71/231 ,  H10K85/371 ,  H10K2102/302

Abstract: A display device includes a first pixel electrode in a first emission area, an insulating layer covering an edge of the first pixel electrode, a first light-emitting layer on the first pixel electrode and the insulating layer, a first common electrode on the first light-emitting layer, a bank disposed on the insulating layer and surrounding the first emission area, and a first organic pattern surrounding the first emission area on the bank and including the same material as that of the first light-emitting layer. The bank includes a first bank contacting the first common electrode, a second bank disposed on the first bank and including a tip structure protruding toward the first emission area, and a third bank disposed on the second bank and having low reflection characteristics.

公开(公告)号：US20240071757A1

公开(公告)日：2024-02-29

申请号：US18502583

申请日：2023-11-06

Applicant: Samsung Display Co., LTD. ,  Industry-Academic Cooperation Foundation, Yonsei University

Inventor： Mann Ho CHO ,  Kwang Sik JEONG ,  Hyeon Sik KIM ,  Hyun Eok SHIN ,  Byung Soo SO ,  Ju Hyun LEE

IPC: H01L21/02

CPC classification number: H01L21/02491 ,  H01L21/02422 ,  H01L21/02502 ,  H01L21/0254

Abstract: A method of manufacturing a stacked structure includes forming a first metal buffer layer including crystal grains on a base substrate, forming a second metal buffer material layer on the first metal buffer layer, and crystallizing the second metal buffer material layer to form a second metal buffer layer, wherein the second metal buffer material layer includes crystal grains, and a density of the crystal grains of the second metal buffer material layer is lower than a density of the crystal grains of the first metal buffer layer.