公开(公告)号：US20240365645A1

公开(公告)日：2024-10-31

申请号：US18517172

申请日：2023-11-22

Applicant: Samsung Display Co., LTD.

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

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

CPC classification number: H10K59/873 ,  H10K59/1201 ,  H10K59/122 ,  H10K59/88 ,  H10K2102/351

Abstract: A display panel includes a base layer, a pixel definition layer disposed on the base layer and provided with a light emitting opening defined therethrough, a barrier wall disposed on the pixel definition layer, having a conductivity, and provided with a barrier wall opening defined therethrough to correspond to the light emitting opening, and a light emitting element disposed in the light emitting opening and including an anode, an intermediate layer disposed on the anode, and a cathode disposed on the intermediate layer and connected to the barrier wall. The anode includes a conductive layer and a protective layer including first, second, and third layers disposed on the conductive layer and sequentially stacked. The second layer has an amorphous structure, and the third layer has a polycrystalline structure.

公开(公告)号：US20240234429A9

公开(公告)日：2024-07-11

申请号：US18220132

申请日：2023-07-10

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  DOKEUN SONG ,  SUKYOUNG YANG ,  DONGMIN LEE

IPC: H01L27/12

CPC classification number: H01L27/1225 ,  H01L27/127

Abstract: A display device includes: a substrate; an active layer on the substrate; and a gate electrode on the active layer. The gate electrode includes a first metal layer, a second metal layer on the first metal layer, and a third metal layer on the second metal layer. The first metal layer includes aluminum, the second metal layer includes transparent conductive oxide, and the third metal layer includes a niobium-titanium alloy.

公开(公告)号：US20240224679A1

公开(公告)日：2024-07-04

申请号：US18441694

申请日：2024-02-14

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNEOK SHIN ,  HYUNWOO KANG ,  HYUNAH SUNG ,  DOKEUN SONG ,  SUKYOUNG YANG ,  YUNJONG YEO ,  DONGMIN LEE ,  DONGHYEOK LEE ,  SHIN IL CHOI

IPC: H10K59/131 ,  H10K59/12

CPC classification number: H10K59/1315 ,  H10K59/1201

Abstract: A display device includes an active layer in a display area, a first gate insulation layer on the active layer, a first gate line on the first gate insulation layer in the display area, a first signal line in the same layer as the first gate line in a non-display area and including the same material as that of the first gate line including molybdenum, a second gate insulation layer on the first gate line and the first signal line, a second gate line on the second gate insulation layer in the display area, and a second signal line in the same layer as the second gate line in the non-display area and including the same material as that of the second gate line including aluminum or an aluminum alloy. A width of the first signal line is greater than a width of the second signal line.

公开(公告)号：US20250107347A1

公开(公告)日：2025-03-27

申请号：US18814974

申请日：2024-08-26

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/122 ,  H10K59/12

Abstract: A display panel includes: a base layer; a pixel-defining film on the base layer, and having a light-emitting opening; a partition wall having a partition wall opening overlapping with the light-emitting opening, and including a first partition wall layer on the pixel-defining film, and a second partition wall layer on the first partition wall layer; a light-emitting element at least partially located in the partition wall opening, and including an anode, an intermediate layer, and a cathode in contact with the partition wall; and a sacrificial pattern between the first partition wall layer and the second partition wall layer, and having a sacrificial opening overlapping with the partition wall opening.

公开(公告)号：US20250089519A1

公开(公告)日：2025-03-13

申请号：US18741238

申请日：2024-06-12

Applicant: Samsung Display Co., Ltd.

Inventor： SUKYOUNG YANG ,  JOONYONG PARK ,  DONGMIN LEE

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122 ,  H10K71/16 ,  H10K71/60 ,  H10K102/00 ,  H10K102/10

Abstract: A display device including a base layer, a pixel defining film on the base layer and having a light emitting opening defined therein is provided. The display device includes a barrier rib including a first barrier rib layer on the pixel defining film and a second barrier rib layer on the first barrier rib layer. The barrier rib includes a barrier rib opening defined therein and overlapping the light emitting opening. The display device includes a light emitting element overlapping the light emitting opening, and including a first electrode, a light emitting pattern on the first electrode and to emit light, and a second electrode on the light emitting pattern. The display device includes an auxiliary electrode on the second electrode and including a lower auxiliary electrode having indium zinc tin oxide, and a lower auxiliary electrode having indium tin oxide.

公开(公告)号：US20250063919A1

公开(公告)日：2025-02-20

申请号：US18754483

申请日：2024-06-26

Applicant: Samsung Display Co., LTD.

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

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

Abstract: A display panel includes a base layer, an anode disposed on the base layer, a sacrificial pattern disposed on the anode and having a sacrificial opening which exposes a portion of the upper surface of the anode, a pixel defining film disposed on the base layer and having a light-emitting opening which corresponds to the sacrificial opening, a barrier rib disposed on the pixel defining film and having a barrier rib opening which corresponds to the light-emitting opening, a light-emitting pattern disposed on the anode in the barrier rib opening, and a cathode disposed on the light-emitting pattern to be in contact with the barrier rip, wherein the sacrificial pattern includes a metal oxide which includes a first metal, indium, and zinc, the first metal including at least one of tin or gallium, and the sacrificial pattern protruding from one side of the pixel defining film.

公开(公告)号：US20240357870A1

公开(公告)日：2024-10-24

申请号：US18410194

申请日：2024-01-11

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: A display panel includes a base layer, a pixel-defining film which is disposed on the base layer, and in which a light-emitting opening is defined, a partition wall which is disposed on the pixel-defining film, and in which a partition wall opening corresponding to the light-emitting opening is defined, and a light-emitting element disposed in the partition wall opening and including an anode, an intermediate layer, and a cathode in contact with the partition wall. The partition wall includes a first partition wall layer having first metal including at least one of germanium or copper, aluminum, and nickel, and a second partition wall layer disposed on the first partition wall layer, and including second metal or a silicon-based compound.

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：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.