公开(公告)号：US20240276780A1

公开(公告)日：2024-08-15

申请号：US18389557

申请日：2023-11-14

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  JOONYONG PARK ,  SUKYOUNG YANG

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: A display panel includes: a base layer; an anode disposed on the base layer; a pixel-definition layer defining a light emitting opening which exposes a portion of the anode and disposed on the base layer; a first partition wall defining a first partition-wall opening therein overlapping the light emitting opening in a plan view and disposed on the pixel-definition layer; a second partition wall defining a second partition-wall opening therein overlapping the first partition-wall opening in the plan view and disposed on the first partition wall; a cathode in contact with the first partition wall, and a light emitting pattern. The first partition wall includes a conductive material. The second partition wall includes a first upper layer including an inorganic material, and a second upper layer including a conductive material and disposed on the first upper layer.

公开(公告)号：US20240172523A1

公开(公告)日：2024-05-23

申请号：US18511184

申请日：2023-11-16

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  SUNGJOO KWON ,  JOONYONG PARK

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122 ,  H10K59/35 ,  H10K59/88 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K59/80518 ,  H10K59/1201 ,  H10K59/122 ,  H10K59/352 ,  H10K59/8731 ,  H10K59/88 ,  H10K71/621 ,  H10K2102/351

Abstract: A display panel includes a base layer, a lower electrode on the base layer, a protection pattern on the lower electrode, a pixel-defining film on the base layer to cover the protection pattern, a conductive partition wall on the pixel-defining film, a light-emitting pattern on the lower electrode to partially cover the pixel-defining film, and an upper electrode on the lower electrode. The protection pattern may include a first layer which includes molybdenum tantalum oxide (MoTaOx), and is disposed on the lower electrode, and a second layer which includes a transparent conductive oxide and is disposed on the first layer.

公开(公告)号：US20240099091A1

公开(公告)日：2024-03-21

申请号：US18314192

申请日：2023-05-09

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  JOONYONG PARK ,  JUHYUN LEE

IPC: H10K59/35 ,  H10K59/80 ,  H10K71/20

CPC classification number: H10K59/353 ,  H10K59/80517 ,  H10K71/231 ,  H10K2102/351

Abstract: A display device includes a first sub-pixel area and a second sub-pixel area, a first pixel electrode in the first sub-pixel area and including a sequentially stacked a first conductive layer including a metal material and a second conductive layer including tungsten oxide, a second pixel electrode in the second sub-pixel area and including a third conductive layer, the third conductive layer and the first conductive layer including a same material and a fourth conductive layer, the fourth conductive layer and the second conductive layer including a same material, a thickness compensation pattern on the second pixel electrode and including a sequentially stacked first thickness compensation layer including a first transparent conductive oxide and a sequentially stacked second thickness compensation layer including a second transparent conductive oxide, a first light emitting layer on the first pixel electrode, and a second light emitting layer on the thickness compensation pattern.

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：US20240276786A1

公开(公告)日：2024-08-15

申请号：US18514764

申请日：2023-11-20

Applicant: Samsung Display Co., LTD.

Inventor： JOONYONG PARK ,  HYUNEOK SHIN

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

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

Abstract: A display panel includes a first anode, a pixel defining layer disposed on a base layer and provided with a first light emitting opening, a partition wall disposed on the pixel defining layer and provided with a first partition wall opening corresponding to the first light emitting opening, a first conductive pattern disposed in the first light emitting opening and disposed on the first anode, a first cathode at least partially disposed in the first partition wall opening and disposed over the first conductive pattern, and a first emission pattern disposed between the first conductive pattern and the first cathode. The first conductive pattern contacts a side surface of the pixel defining layer which defines the first light emitting opening.

公开(公告)号：US20240188379A1

公开(公告)日：2024-06-06

申请号：US18468760

申请日：2023-09-18

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNEOK SHIN ,  JOONYONG PARK ,  JUHYUN LEE

IPC: H10K59/80 ,  G02B27/01 ,  H10K71/12

CPC classification number: H10K59/80518 ,  G02B27/0172 ,  H10K59/80524 ,  H10K71/12 ,  H10K2102/103

Abstract: A display panel includes a circuit layer including a pixel region and a non-pixel region, a first light-emitting element disposed on the circuit layer; and an inorganic layer disposed on the circuit layer and including a first portion and a second portion, wherein the first light-emitting element includes a first resonance electrode disposed on the circuit layer and including a reflective electrode and a first transparent electrode disposed on the reflective electrode, a light-emitting portion disposed on the first resonance electrode, and an upper electrode disposed on the light-emitting portion, the second portion is disposed between the reflective electrode and the first transparent electrode, at least one opening is defined in the second portion, the first transparent electrode includes a first transparent portion and a second transparent portion, and a first length of the first transparent portion is greater than a second length of the second transparent portion.

公开(公告)号：US20240172482A1

公开(公告)日：2024-05-23

申请号：US18234955

申请日：2023-08-17

Applicant: Samsung Display Co., LTD.

Inventor： JOONYONG PARK ,  HYUNEOK SHIN ,  JUHYUN LEE ,  SAMTAE JEONG

IPC: H10K59/122 ,  H10K59/12 ,  H10K71/20 ,  H10K71/60

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K71/231 ,  H10K71/60 ,  H10K2102/351

Abstract: A display panel includes a pixel defining film which is disposed on a base layer and in which a light-emitting opening is defined, a partitioning wall which is disposed on the pixel defining film and in which a partitioning wall opening corresponding to the light-emitting opening is defined, and a light-emitting element including an anode, a middle layer, and a cathode which contacts the partitioning wall. The light-emitting element is disposed in the partitioning wall opening. The partitioning wall includes a first partitioning wall layer disposed on the pixel defining film and defining a portion of a first area of the partitioning wall opening, a second partitioning wall layer disposed on the first partitioning wall layer and defining a portion of a second area of the partitioning wall opening. A width of the first area is different from a width of the second area.

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：US20240107856A1

公开(公告)日：2024-03-28

申请号：US18198321

申请日：2023-05-17

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNEOK SHIN ,  JOONYONG PARK

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122 ,  H10K71/16 ,  H10K71/20

CPC classification number: H10K59/80517 ,  H10K59/1201 ,  H10K59/122 ,  H10K71/166 ,  H10K71/231 ,  H10K2102/103

Abstract: Disclosed is a display device including a base substrate, a circuit layer disposed on the base substrate, a first electrode disposed on the circuit layer, an auxiliary electrode disposed on the circuit layer and spaced apart from the first electrode, a pixel defining layer disposed on the circuit layer and the first electrode, and having an opening which exposes the first electrode, a light-emitting layer disposed in the opening, and a second electrode disposed on the light-emitting layer, wherein the auxiliary electrode includes a first layer including the same material as a material of the first electrode, a second layer disposed on the first layer and including silver (Ag) or silver alloy (Ag alloy), and a third layer disposed on the second layer and including molybdenum (Mo) or molybdenum alloy (Mo alloy), and wherein the second electrode may be in contact with a side face of the second layer.