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：US20250008777A1

公开(公告)日：2025-01-02

申请号：US18616610

申请日：2024-03-26

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNEOK SHIN ,  BYUNG SOO SO

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

Abstract: A display panel includes a base layer, a pixel defining layer in which a light-emitting opening is defined, a partition wall in which a partition wall opening corresponding to the light-emitting opening is defined, and a light-emitting element including an anode, an intermediate layer, and a cathode that is in contact with the partition wall. The partition wall includes a first partition wall layer including transparent conductive oxide and a second partition wall layer including a metal or silicon-based compound. The first partition wall layer includes a first portion, a second portion spaced apart from the pixel defining layer and having a height difference with respect to the first portion, and a first side portion that connects the first portion and the second portion.

公开(公告)号：US20240341137A1

公开(公告)日：2024-10-10

申请号：US18398732

申请日：2023-12-28

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN

IPC: H10K59/131 ,  H10K59/12

CPC classification number: H10K59/131 ,  H10K59/1201

Abstract: A display device includes an active layer disposed on a substrate, and a conductive pattern disposed on or under the active layer and including an upper conductive layer having a first line width in a direction and a lower conductive layer including a first metal layer disposed under the upper conductive layer and a capping layer disposed between the upper conductive layer and the first metal layer and having a second line width in the direction greater than the first line width.

公开(公告)号：US20240324344A1

公开(公告)日：2024-09-26

申请号：US18505851

申请日：2023-11-09

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN

IPC: H10K59/131 ,  H01L23/00 ,  H10K59/12 ,  H10K59/90

CPC classification number: H10K59/131 ,  H01L24/05 ,  H01L24/29 ,  H01L24/32 ,  H10K59/1201 ,  H10K59/90 ,  H01L2224/05083 ,  H01L2224/05124 ,  H01L2224/05166 ,  H01L2224/05573 ,  H01L2224/05679 ,  H01L2224/0568 ,  H01L2224/05684 ,  H01L2924/0133

Abstract: A display device includes a substrate, a metal layer on the substrate and including titanium and aluminum, and an alloy layer on the metal layer and including molybdenum (Mo), tungsten (W), and niobium (Nb).

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.

公开(公告)号：US20250151339A1

公开(公告)日：2025-05-08

申请号：US18929755

申请日：2024-10-29

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  YUNJONG YEO

IPC: H01L29/786 ,  H01L27/12

Abstract: A manufacturing method of a thin film transistor substrate includes forming an active pattern on a base substrate, forming a first insulating layer covering the active pattern, forming a gate pattern on the first insulating layer, forming a second insulating layer covering the gate pattern, forming a contact hole penetrating the first insulating layer and the second insulating layer and contacting the active pattern and forming a source-drain electrode in the contact hole. The first insulating layer and the second insulating layer include a first portion defining a first hole having a first opening width and a first height and a second portion having a second opening width, defining a second hole of the contact hole connected to the first hole disposed below the first hole, and having a second height. The first height is less than about ½ of the total height of the contact hole.