公开(公告)号：US20250008810A1

公开(公告)日：2025-01-02

申请号：US18628716

申请日：2024-04-06

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122 ,  H10K71/40 ,  H10K71/60 ,  H10K102/00 ,  H10K102/10

Abstract: A display device includes a first pixel electrode disposed on a substrate and including a main portion and an edge portion, a pixel defining film disposed on the substrate, including a body portion and a protrusion portion, and exposing the first pixel electrode, a first light-emitting layer on the first pixel electrode, a first common electrode on the first light-emitting layer, a first bank layer on the pixel defining film, and a second bank layer disposed on the first bank layer and including a side surface protruding further than a side surface of the first bank layer. A thickness of the edge portion of the first pixel electrode is greater than a thickness of the main portion of the first pixel electrode, and a width of the protrusion portion of the pixel defining film is greater than a width of the edge portion of the first pixel electrode.

公开(公告)号：US20240414967A1

公开(公告)日：2024-12-12

申请号：US18592088

申请日：2024-02-29

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/131 ,  G09G3/3225 ,  H10K59/12

Abstract: The present disclosure may provide display device and a method for manufacturing a display device. According to an embodiment, a display device includes a substrate including a display area and a pad area. The display device includes a data conductive layer disposed on the substrate in the pad area. The data conductive layer includes a data base layer, a data main metal layer disposed on the data base layer, a first data capping layer disposed on the data main metal layer, a second data capping layer disposed on the first data capping layer, and a plurality of metal aggregates disposed on the second data capping layer.

公开(公告)号：US20240397752A1

公开(公告)日：2024-11-28

申请号：US18584832

申请日：2024-02-22

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/122 ,  H10K59/12 ,  H10K102/00

Abstract: A display device includes a first pixel electrode and a second pixel electrode spaced apart from each other on a substrate, a first bank layer disposed on the substrate and exposing the first pixel electrode and the second pixel electrode, a first light-emitting layer disposed on the first pixel electrode and a second light-emitting layer disposed on the second pixel electrode, a first common electrode disposed on the first light-emitting layer and a second common electrode disposed on the second light-emitting layer, a second bank layer disposed on the first bank layer and exposing the first common electrode and the second common electrode, and a third bank layer disposed on the second bank layer and including metal nitride, wherein the third bank layer includes a tip protruding further than the sidewall of the second bank layer.

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.