公开(公告)号：US20250133939A1

公开(公告)日：2025-04-24

申请号：US18884111

申请日：2024-09-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Eok SHIN ,  Sung Joo KWON ,  Ju Hyun LEE

IPC: H10K59/80 ,  G02B27/01 ,  H10K59/12 ,  H10K71/60 ,  H10K102/10

Abstract: The display device includes: a base layer including a groove surrounded by a protrusion which is disposed in a boundary area between sub-pixels, a reflective electrode of a display device is disposed on the base layer in the groove, a planarization pattern is disposed on the reflective electrode in the groove, an anode electrode is disposed the planarization pattern and contacting the reflective electrode, and a light emitting layer is disposed on the anode.

公开(公告)号：US20230253530A1

公开(公告)日：2023-08-10

申请号：US17987952

申请日：2022-11-16

Applicant: Samsung Display Co., LTD.

Inventor： Joon Yong PARK ,  Sung Joo KWON ,  Hyun Eok SHIN ,  Hyun Ah SUNG ,  Dong Min LEE ,  Ju Hyun LEE

IPC: H01L33/42 ,  H01L25/16

CPC classification number: H01L33/42 ,  H01L25/167 ,  H01L2933/0016 ,  H01L33/32

Abstract: There are provided a display device and a method of manufacturing the display device. The display device includes: electrodes spaced apart from each other; light emitting elements disposed between the electrodes; and connection electrodes disposed on the light emitting elements. Each of the connection electrodes includes a first conductive layer and a second conductive layer disposed on the first conductive layer, and a work function of the first conductive layer is lower than a work function of the second conductive layer.

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：US20240040898A1

公开(公告)日：2024-02-01

申请号：US18200430

申请日：2023-05-22

Applicant: Samsung Display Co., LTD.

Inventor： Ju Hyun LEE ,  Hyun Eok SHIN ,  Sung Joo KWON

IPC: H10K59/80 ,  H10K59/35 ,  H10K59/00

CPC classification number: H10K59/80518 ,  H10K59/35 ,  H10K59/771 ,  H10K59/876 ,  H10K59/12

Abstract: A display device includes: a substrate including a first area, a second area and a third area; a first pixel electrode, a second pixel electrode and a third pixel electrode disposed in the first area, the second area and the third area, respectively, on the substrate; a sub-pixel electrode disposed on the third pixel electrode; a first emissive layer, a second emissive layer and a third emissive layer disposed on the first pixel electrode, the second pixel electrode and the sub-pixel electrode, respectively; and a common electrode disposed on entireties of the first emissive layer, the second emissive layer and the third emissive layer. The sub-pixel electrode includes an upper sub-electrode made of a transparent metal material and a lower sub-electrode having a distance-adjusting function.

公开(公告)号：US20240014353A1

公开(公告)日：2024-01-11

申请号：US18109322

申请日：2023-02-14

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/42 ,  H01L33/00 ,  H01L25/075

CPC classification number: H01L33/387 ,  H01L33/62 ,  H01L33/42 ,  H01L33/005 ,  H01L25/0753 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device includes electrodes on a base layer; a first insulating layer on the electrodes; a light emitting element on the first insulating layer; and a connection electrode electrically connecting the light emitting element and at least a portion of the electrodes. Each of the electrodes includes a first layer and a second layer on the first layer. The first layer is electrically connected to the connection electrode through a contact portion formed in a region penetrating the first insulating layer and the second layer.

公开(公告)号：US20220123270A1

公开(公告)日：2022-04-21

申请号：US17400158

申请日：2021-08-12

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/52 ,  H01L27/32

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：US20240215380A1

公开(公告)日：2024-06-27

申请号：US18375655

申请日：2023-10-02

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Sung Joo KWON

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

CPC classification number: H10K59/80517 ,  H10K59/1201 ,  H10K59/122

Abstract: A display device includes: a first pixel electrode disposed in a first emission area on a substrate and formed as multiple layers, an insulating layer covering an edge of the first pixel electrode, a first light emitting layer disposed on the first pixel electrode and the insulating layer, a first common electrode disposed on the first light emitting layer, a bank disposed on the insulating layer and surrounding the first emission area, and a first thin-film pattern disposed on the insulating layer and the bank in an adjacent area to the first emission area. An uppermost layer of the first pixel electrode and the first thin-film pattern include the same material.

公开(公告)号：US20240154079A1

公开(公告)日：2024-05-09

申请号：US18497140

申请日：2023-10-30

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Eok SHIN ,  Ju Hyun LEE ,  Sung Joo KWON ,  Joon Yong PARK

IPC: H01L33/62 ,  H01L25/16 ,  H01L33/60

CPC classification number: H01L33/62 ,  H01L25/167 ,  H01L33/60

Abstract: A display device includes a first electrode and a second electrode that are disposed on a substrate and spaced apart from each other. A light emitting element is disposed between the first electrode and the second electrode. A first pixel electrode is disposed on the first electrode, and is electrically connected to a first end portion of the light emitting element and the first electrode. A second pixel electrode is disposed on the second electrode, and is electrically connected to a second end portion of the light emitting element. Each of the first electrode and the second electrode includes a multi-layer structure including a first layer and a second layer disposed on the first layer. The first layer includes a metal reflecting light. The second layer includes tungsten oxide.

公开(公告)号：US20240122031A1

公开(公告)日：2024-04-11

申请号：US18218043

申请日：2023-07-04

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Sung Joo KWON ,  Ju Hyun LEE

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122 ,  H10K59/38

CPC classification number: H10K59/80516 ,  H10K59/1201 ,  H10K59/122 ,  H10K59/38 ,  H10K59/873 ,  H10K59/8792 ,  H10K2102/341

Abstract: A display device include first and second pixel electrodes apart from each other on a substrate, an inorganic insulating layer in part on the first and second pixel electrodes, a bank structure on the inorganic insulating layer with first and second openings defined therethrough to overlap the first and second pixel electrodes, an auxiliary layer on the first and second pixel electrodes in the first and second openings, first and second light-emitting layers on the auxiliary layer on the first and second pixel electrodes, first and second common electrodes on the first and second light-emitting layers, and an auxiliary layer pattern on the bank structure around the first and second openings. The bank structure includes first and second bank layers including different metal materials, and the second bank layer includes tips protruding from side surfaces of the first bank layer defining the first and second openings.

公开(公告)号：US20240105899A1

公开(公告)日：2024-03-28

申请号：US18473534

申请日：2023-09-25

Applicant: Samsung Display Co., LTD.

Inventor： Joon Yong PARK ,  Hyun Eok SHIN ,  Sung Joo KWON ,  Sam Tae JEONG

IPC: H01L33/62 ,  H01L25/16

CPC classification number: H01L33/62 ,  H01L25/167 ,  H01L2933/0066

Abstract: A method of manufacturing a display device includes aligning light emitting elements in an emission area on a substrate, depositing an indium-tin alloy on an entire surface of the substrate at room temperature, heat-treating the indium-tin alloy to reflow along side surfaces of each of the light emitting elements, heat-treating the indium-tin alloy in an oxygen atmosphere to form indium tin oxide, and etching the indium tin oxide to form a first pixel electrode contacting first ends of at least a portion of the light emitting elements.