公开(公告)号：US20230309348A1

公开(公告)日：2023-09-28

申请号：US18076480

申请日：2022-12-07

Applicant: Samsung Display Co., LTD.

Inventor： SUNGJOO KWON ,  JOONYONG PARK ,  SUBIN BAE ,  HYUNAH SUNG ,  HYUNEOK SHIN ,  DONGMIN LEE ,  JUHYUN LEE ,  YU-GWANG JEONG ,  SUNGWON CHO

IPC: H10K59/123 ,  H10K59/88 ,  H10K59/122 ,  H10K50/844 ,  H10K71/00

CPC classification number: H01L27/3248 ,  H01L27/3223 ,  H01L27/3246 ,  H01L51/5253 ,  H01L51/56 ,  H01L2227/323

Abstract: A display device includes a transistor disposed on a substrate, an organic layer disposed on the transistor and defining grooves, a first pixel electrode disposed on the organic layer, electrically connected to the transistor, and including a pixel metal layer and a pixel protective layer, the pixel protective layer including at least one of an oxide and a halide and surrounding the pixel metal layer, and a dummy electrode disposed on the organic layer, spaced apart from the transistor, and including a dummy metal layer and a dummy protective layer, the dummy protective layer including at least one of an oxide and a halide and surrounding the dummy metal layer.

公开(公告)号：US20250098457A1

公开(公告)日：2025-03-20

申请号：US18790616

申请日：2024-07-31

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/131 ,  H10K59/122 ,  H10K59/123 ,  H10K59/80 ,  H10K59/88 ,  H10K102/00

Abstract: A display panel includes: a base layer including a light emitting area, and a non-light emitting area being adjacent to the light emitting area, a light emitting element including a first electrode disposed in the light emitting area, a second electrode disposed on the first electrode, and a light emission pattern disposed between the first electrode and the second electrode, and a partition wall including a lower layer disposed in the non-light emitting area, and an upper layer disposed on the lower layer. The second electrode contacts a side surface of the lower layer, and the lower layer) includes layers containing different metals.

公开(公告)号：US20240164148A1

公开(公告)日：2024-05-16

申请号：US18505011

申请日：2023-11-08

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNEOK SHIN ,  JOONYONG PARK ,  DONGMIN LEE

IPC: H10K59/122 ,  H10K59/88

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

Abstract: A display panel includes: a base layer; a first electrode on the base layer; a pixel defining layer on the base layer and having a light-emitting opening through the pixel defining layer over a portion of the first electrode; a conductive wall on the pixel defining layer and having a partition opening in the conductive wall corresponding to the light-emitting opening; a second electrode in the partition opening; and a light-emitting pattern in the partition opening and between the first electrode and the second electrode, wherein: the conductive wall comprises a first layer, a second layer on the first layer, and a third layer on the second layer; the second electrode contacts the second layer; and a thickness of the third layer is greater than a thickness of the first layer.

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：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.

公开(公告)号：US20240136361A1

公开(公告)日：2024-04-25

申请号：US18220132

申请日：2023-07-09

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：US20240065065A1

公开(公告)日：2024-02-22

申请号：US18497392

申请日：2023-10-30

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/131 ,  C22C21/00 ,  H10K59/126 ,  H10K59/121 ,  H10K77/10

CPC classification number: H10K59/1315 ,  C22C21/00 ,  H10K59/126 ,  H10K59/1213 ,  H10K59/1216 ,  H10K77/111 ,  H01L29/66757

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：US20220157925A1

公开(公告)日：2022-05-19

申请号：US17398336

申请日：2021-08-10

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: H01L27/32

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.