公开(公告)号：US20240381699A1

公开(公告)日：2024-11-14

申请号：US18406144

申请日：2024-01-06

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/122 ,  H10K59/80

Abstract: A display device includes: a pixel electrode; a pixel defining layer defining a first opening overlapping the pixel electrode; a bank structure disposed on the pixel defining layer and defining a second opening overlapping the first opening; a light emitting layer disposed on the pixel electrode; a common electrode disposed on the light emitting layer and in contact with the bank structure; and an encapsulation layer disposed on the common electrode and the bank structure. The bank structure includes: a first bank layer disposed on the pixel defining layer and including a conductive material; and a second bank layer disposed on the first bank layer and including a tip protruding toward the first opening more than a side surface of the first bank layer. The common electrode extends along the side surface of the first bank layer and is in contact with a bottom surface of the second bank layer

公开(公告)号：US20240341160A1

公开(公告)日：2024-10-10

申请号：US18383973

申请日：2023-10-26

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H10K59/80 ,  G06F3/041 ,  H10K59/12 ,  H10K59/40

CPC classification number: H10K59/8792 ,  G06F3/0412 ,  H10K59/1201 ,  H10K59/40 ,  G06F3/04164 ,  G06F3/0446 ,  G06F2203/04107 ,  G06F2203/04112

Abstract: A display device includes: a display panel including a display area and a non-display area; a window disposed above the display panel and having a plurality of grooves that are formed on one surface of window facing the display panel; and viewing angle control members formed inside the plurality of grooves, wherein the viewing angle control members include light absorbing walls formed on sidewalls of the plurality of grooves and formed to become thinner as upper surfaces of the plurality of grooves are approached.

公开(公告)号：US20240292667A1

公开(公告)日：2024-08-29

申请号：US18519369

申请日：2023-11-27

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Dong Min LEE ,  Woo-Seok JEON ,  Yung Bin CHUNG ,  Yu-Gwang JEONG

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

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/80522

Abstract: A display device includes a plurality of transistors disposed on a substrate, an insulating layer disposed on the transistors, a first electrode disposed on the insulating layer and electrically connected to the transistors, a partition wall disposed on the insulating layer, a common layer disposed on the partition wall and the first electrode, an emission layer disposed on the common layer, a second electrode disposed on the emission layer, and an auxiliary layer disposed on the second electrode. The partition wall includes a groove, and an inner width of the groove is greater than an inlet width of the groove.

公开(公告)号：US20240292666A1

公开(公告)日：2024-08-29

申请号：US18474882

申请日：2023-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Eok SHIN ,  Joon Yong PARK ,  Do Keun SONG

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: A display device includes a pixel circuit layer including a base layer and a pixel circuit, a first electrode on the pixel circuit layer, light emitting portions including a first light emitting portion defining first sub-pixel area and a second light emitting portion defining a second sub-pixel area, and a partition wall between the first and second light emitting portions, wherein the partition wall includes a first layer, a second layer on the first layer, and a third layer on the second layer, wherein the first layer has a first thickness, the second layer has a second thickness, the third layer has a third thickness, and the partition wall has a fourth thickness that is a sum of the first thickness to the third thickness, and wherein the first thickness and a thickness of the light emitting portion correspond to each other.

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：US20240147768A1

公开(公告)日：2024-05-02

申请号：US18334452

申请日：2023-06-14

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye HAN ,  Hyun Eok SHIN ,  Chul Min BAE

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

CPC classification number: H10K59/122 ,  H10K59/38 ,  H10K59/873 ,  H10K59/878 ,  H10K59/879 ,  H10K59/8792

Abstract: A pixel includes: a via layer disposed on a substrate; a first electrode disposed on the via layer; a pixel defining layer disposed on the first electrode, the pixel defining layer including an opening exposing a portion of the first electrode; an emission layer disposed on the portion of the first electrode and the pixel defining layer; and a second electrode disposed on the emission layer. The first electrode includes a first layer disposed on the via layer and a second layer disposed between the first layer and the pixel defining layer. The first layer includes a plurality of sub-insulating layers, each of the plurality of sub-insulating layers including a first sub-layer and a second sub-layer that are sequentially stacked. The first sub-layer and the second sub-layer have different refractive indices.

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.

公开(公告)号：US20230320182A1

公开(公告)日：2023-10-05

申请号：US18122446

申请日：2023-03-16

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/88

CPC classification number: H10K59/88

Abstract: A display device includes a substrate including a pixel area and a dummy area, wherein the pixel area includes a transistor disposed on the substrate, a first electrode electrically connected to the transistor, a second electrode overlapping the first electrode, and a functional layer and an emission layer disposed between the first electrode and the second electrode, and the dummy area includes a first dummy electrode disposed on the substrate, and a dummy insulating layer covering the side of at least part of the first dummy electrode.