公开(公告)号：US20240090258A1

公开(公告)日：2024-03-14

申请号：US18218754

申请日：2023-07-06

Applicant: Samsung Display Co., LTD.

Inventor： JOONYONG PARK ,  HYUNEOK SHIN ,  JUHYUN LEE ,  SUKYOUNG YANG ,  DONGMIN LEE ,  SAMTAE JEONG

IPC: H10K59/12 ,  H10K59/80

CPC classification number: H10K59/1201 ,  H10K59/8792

Abstract: A method of manufacturing a display device includes forming a barrier layer on a light emitting element, forming a first organic layer defining an opening exposing a portion of the barrier layer and overlapping the light emitting element on the barrier layer, forming a first preliminary low-reflection layer covering a first side surface of the first organic layer defining the opening and an upper surface of the first organic layer, forming a second preliminary low-reflection layer covering a second side surface of the first organic layer defining the opening and opposite to the first side surface and the upper surface of the first organic layer, forming a low-reflection barrier covering the first and second side surfaces defining the opening by anisotropic dry etching of the first preliminary low-reflection layer and the second preliminary low-reflection layer, and forming a second organic layer filling the opening of the first organic layer.

公开(公告)号：US20240074286A1

公开(公告)日：2024-02-29

申请号：US18229225

申请日：2023-08-02

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  TAEWOOK KANG ,  SUNGJOO KWON ,  JOONYONG PARK ,  JUHYUN LEE ,  CHANGHEE LEE ,  SAMTAE JEONG ,  YUNG BIN CHUNG

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/121 ,  H10K59/122 ,  H10K59/124 ,  H10K71/20 ,  H10K71/60

CPC classification number: H10K59/80517 ,  H10K59/1201 ,  H10K59/1213 ,  H10K59/122 ,  H10K59/124 ,  H10K71/231 ,  H10K71/60 ,  H10K2102/103

Abstract: A display device includes a circuit layer and a display element layer on the circuit layer. The display element layer includes a light-emitting element and a pixel-defining film, through which a pixel opening is defined, and the light-emitting element includes a first electrode exposed through the pixel opening, a second electrode disposed opposite to the first electrode, and a light-emitting layer disposed between the first electrode and the second electrode. The first electrode includes a metal layer and a graphene layer disposed on an upper surface of the metal layer, and the metal layer and the graphene layer each have a hexagonal closed packed structure.

公开(公告)号：US20220269370A1

公开(公告)日：2022-08-25

申请号：US17553036

申请日：2021-12-16

Applicant: Samsung Display Co., Ltd.

Inventor： GYUNGMIN BAEK ,  HYUNEOK SHIN

IPC: G06F3/044 ,  H01L27/32 ,  G06F3/041

Abstract: A display device includes a display panel configured to display an image, and an input sensing layer disposed on the display panel. The input sensing layer includes a sensing insulating layer disposed on the display panel and a conductive layer disposed on the sensing insulating layer. The conductive layer includes a barrier layer disposed directly on the sensing insulating layer and including metal nitride and a main conductive layer disposed on the barrier layer.

公开(公告)号：US20220149143A1

公开(公告)日：2022-05-12

申请号：US17363496

申请日：2021-06-30

Applicant: Samsung Display Co., Ltd.

Inventor： DONGMIN LEE ,  TAEWOOK KANG ,  HYUNAH SUNG ,  SUKYOUNG YANG ,  DOKEUN SONG ,  HYUNEOK SHIN

IPC: H01L27/32 ,  H01L51/00 ,  C22C21/00

Abstract: A display device includes a base substrate, a buffer layer disposed on the base substrate, an active layer disposed on the buffer layer, a first gate insulation layer disposed on the active layer, a first conductive layer disposed on the first gate insulation layer and which is a single-layer including an aluminum alloy, a second gate insulation layer disposed on the first conductive layer, a second conductive layer disposed on the second gate insulation layer and which is a single-layer including an aluminum alloy, an insulation interlayer disposed on the second conductive layer, and a third conductive layer disposed on the insulation interlayer, directly contacting the first conductive layer through a first gate contact hole defined in the insulation interlayer and the second gate insulation layer, and directly contacting the second conductive layer through a second gate contact hole defined in the insulation interlayer.

公开(公告)号：US20250008798A1

公开(公告)日：2025-01-02

申请号：US18583867

申请日：2024-02-22

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNEOK SHIN ,  JUHYUN LEE ,  JOONYONG PARK

IPC: H10K59/131 ,  G09G3/32

Abstract: A display device includes: a substrate including a main display area, a component area and a non-display area, an auxiliary light-emitting clement disposed in the component area, a driver disposed in the non-display area, an auxiliary pixel circuit disposed in the non-display area, and a connecting wiring including a first portion, a second portion disposed on the first portion, and a third portion disposed on the second portion.

公开(公告)号：US20240414949A1

公开(公告)日：2024-12-12

申请号：US18606594

申请日：2024-03-15

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  JUHYUN LEE ,  SUNGJOO KWON

IPC: H10K59/122 ,  G02B27/01 ,  H10K59/12 ,  H10K59/80 ,  H10K71/60 ,  H10K102/00 ,  H10K102/10

Abstract: A display panel includes a light-emitting element and a pixel defining film having a pixel opening defined therein. The light-emitting element may include a first electrode exposed through the pixel opening, a second electrode disposed on the first electrode, and at least one functional layer disposed between the first electrode and the second electrode. The first electrode may include a first layer including an aluminum alloy, a second layer including a transparent conductive oxide, and an anti-oxidation layer including titanium nitride (TiN) and disposed between the first layer and the second layer. When the atomic percentage is about 100 at %, the percentage of alloy atoms excluding aluminum atoms in the aluminum alloy may be about 0.01 at % to about 0.1 at %.

公开(公告)号：US20240397754A1

公开(公告)日：2024-11-28

申请号：US18630662

申请日：2024-04-09

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  JOONYONG PARK ,  SUKYOUNG YANG ,  DONGMIN LEE

IPC: H10K59/122 ,  G09G3/32 ,  H10K59/12 ,  H10K59/80

Abstract: A display panel includes a base layer, a pixel definition layer on the base layer, where an emission opening is defined in the pixel definition layer, a partition wall including a first partition layer on the pixel definition layer, a second partition layer on the first partition layer, where a partition opening is defined in the partition wall to overlap the emission opening, an emission element including an anode, an intermediate layer on the anode, and a cathode on the intermediate layer, and a subsidiary electrode on the emission element. The intermediate layer and the cathode are spaced apart from a lateral surface of the partition wall when viewed in plan. The subsidiary electrode is in contact with the partition wall.

公开(公告)号：US20240381739A1

公开(公告)日：2024-11-14

申请号：US18631184

申请日：2024-04-10

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  JOONYONG PARK ,  BYUNG SOO SO ,  YUNJONG YEO ,  YUNG BIN CHUNG

IPC: H10K59/82 ,  H10K59/12 ,  H10K102/00

Abstract: A display device includes a base layer, a circuit layer disposed on the base layer, and a light emitting element disposed on the circuit layer. The circuit layer includes a first insulating layer disposed on the base layer, provided with a first contact hole defined therethrough, and including silicon nitride, a second insulating layer disposed on the first insulating layer, provided with a second contact hole defined therethrough to correspond to the first contact hole, and including silicon oxide, and a connection electrode disposed on the second insulating layer. The connection electrode includes first and second electrode portions disposed in the first and second contact holes, respectively, a minimum value of a width of the first contact hole is in a range of about 0.5 micrometers to about 2 micrometers, and a portion of the second electrode portion is in contact with an upper surface of the first insulating layer.

公开(公告)号：US20240349541A1

公开(公告)日：2024-10-17

申请号：US18583606

申请日：2024-02-21

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNEOK SHIN ,  JOONYONG PARK ,  SUKYOUNG YANG

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

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/80522 ,  H10K59/8731

Abstract: A display panel includes: a base layer; a pixel defining layer on the base layer and having an emission opening; a partition wall including: a first partition wall layer on the pixel defining layer; and a second partition wall layer on the first partition wall layer and having a partition wall opening corresponding to the emission opening; a light-emitting element in the partition wall opening and including an anode, an intermediate layer, and a cathode contacting the partition wall; and an auxiliary electrode on the light-emitting element and extending along a first inner surface of the first partition wall layer and a lower surface of the second partition wall layer.

公开(公告)号：US20240324306A1

公开(公告)日：2024-09-26

申请号：US18525045

申请日：2023-11-30

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  JOONYONG PARK ,  DONGMIN LEE

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/88

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/88

Abstract: A display device includes a base layer, a first electrode disposed on the base layer, a pixel defining layer that is disposed on the base layer and that defines a light-emitting opening that exposes at least a portion of the first electrode, a barrier wall that is disposed on the pixel defining layer and that defines a barrier wall opening corresponding to the light-emitting opening, an emission pattern disposed on the first electrode in the barrier wall opening, a second electrode disposed on the emission pattern in the barrier wall opening, and a dummy part that is disposed on the barrier wall and that includes a same material as that of the emission pattern and the second electrode. An upper surface of the dummy part has an inclined surface.