公开(公告)号：US20250072224A1

公开(公告)日：2025-02-27

申请号：US18675459

申请日：2024-05-28

Applicant: Samsung Display Co., Ltd.

Inventor： WOO YONG SUNG ,  SEUNGYONG SONG ,  Hee Jun YANG ,  JEONGSEOK LEE

IPC: H10K59/122 ,  H10K59/40 ,  H10K59/80 ,  H10K102/00

Abstract: A display device includes a pixel defining layer including a light emitting opening defined therein, a barrier wall layer on the pixel defining layer and including barrier walls spaced apart from each other and defining a barrier wall opening of the barrier wall layer which is between the barrier walls, the barrier wall opening overlapping the light emitting opening of the pixel defining layer, a light emitting element overlapping the light emitting opening of the pixel defining layer. and a spacer which is on a barrier wall among the barrier walls and spaced apart from the light emitting opening and the barrier wall opening. The barrier wall which has the spacer thereon defines a blocking opening of the barrier wall which surrounds the spacer.

公开(公告)号：US20240306440A1

公开(公告)日：2024-09-12

申请号：US18665846

申请日：2024-05-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SOOYOUN KIM ,  WOO YONG SUNG

IPC: H10K59/124 ,  H01L27/15 ,  H10K50/844 ,  H10K71/00

CPC classification number: H10K59/124 ,  H01L27/15 ,  H10K50/844 ,  H10K71/00

Abstract: A display device according to an embodiment of the present invention may include a substrate including a display area and a pad area located on one side of the display area, a pad electrode disposed in the pad area on the substrate, a protective insulating layer disposed on the substrate and the pad electrode to expose at least a part of a top surface of the pad electrode, an inorganic encapsulation layer disposed on the protective insulating layer, and a conductive layer disposed in the pad area between an end of the inorganic encapsulation layer adjacent to the pad electrode and the protective insulating layer.

公开(公告)号：US20240109327A1

公开(公告)日：2024-04-04

申请号：US18199628

申请日：2023-05-19

Applicant: Samsung Display Co., LTD.

Inventor： JAESIK KIM ,  WOO YONG SUNG ,  SEUNGHO YOON ,  HYOUNG SUB LEE ,  HYEMIN LEE

IPC: B41J2/175 ,  B41J2/16 ,  B41J2/17

CPC classification number: B41J2/17513 ,  B41J2/164 ,  B41J2/1707 ,  B41J2/17523

Abstract: An inkjet head includes a nozzle which ejects an ink and includes an inner wall through which the ink passes, a head surface which exposes the nozzle and is connected to first end of the inner wall and an ink supply unit which supplies the ink to the nozzle and includes a flow path connected to a second end of the inner wall opposite to the first end, and the head surface, the inner wall, and the flow path are coated with different coating films, respectively.

公开(公告)号：US20240074245A1

公开(公告)日：2024-02-29

申请号：US18454318

申请日：2023-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： JEONGSEOK LEE ,  TAEWOOK KANG ,  WOO YONG SUNG ,  SEUNGYONG SONG

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80 ,  H10K71/20 ,  H10K102/00

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/873 ,  H10K71/231 ,  H10K2102/351

Abstract: A display panel includes a base layer, a first lower electrode, a first sacrificial pattern layer defining a first lower opening exposing a portion of an upper surface of the first lower electrode, an insulating layer covering a portion of the first sacrificial pattern layer and defining a first emission opening overlapping the first lower opening, a conductive bank defining a first upper opening overlapping the first emission opening, a first emission pattern layer disposed inside the first lower opening, the first emission opening, and the first upper opening and on the first lower electrode, and a first upper electrode disposed on the first emission pattern layer and in contact with an inner surface of the conductive bank defining the first upper opening, and a thickness of the first emission pattern layer is greater than a sum of a thickness of the first sacrificial pattern layer and a thickness.

公开(公告)号：US20230363243A1

公开(公告)日：2023-11-09

申请号：US18142831

申请日：2023-05-03

Applicant: Samsung Display Co., LTD.

Inventor： JEONGSEOK LEE ,  SEUNGHUN KIM ,  WOO YONG SUNG

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

CPC classification number: H10K59/873 ,  H10K59/122 ,  H10K59/1201

Abstract: A display device includes a substrate, a lower metal layer disposed on the substrate, a light emitting element disposed on the lower metal layer, where the light emitting element includes a lower electrode, a light emitting layer, and an upper electrode sequentially disposed, a pixel defining layer disposed on the lower metal layer, where the pixel definition layer exposes at least a portion of the lower electrode, and a residual sacrificial layer disposed on the pixel defining layer, where portions of the upper electrode are disconnected from each other with the residual sacrificial layer therebetween.

公开(公告)号：US20230345800A1

公开(公告)日：2023-10-26

申请号：US18130646

申请日：2023-04-04

Applicant: Samsung Display Co., Ltd.

Inventor： JINHO HYUN ,  WOO YONG SUNG

IPC: H10K59/80 ,  H10K59/12

CPC classification number: H10K59/8731 ,  H10K59/1201

Abstract: A display device divided into a display region and a non-display region adjacent to the display region includes a base layer, a light-emitting element layer, a first inorganic encapsulation film, an organic encapsulation film, a second inorganic encapsulation film, and a hydrophobic coating layer. The second inorganic encapsulation film which covers the organic encapsulation film, and the hydrophobic coating layer which covers an edge region of the first inorganic encapsulation film and is disposed on the first inorganic encapsulation film. The edge region may be defined as a region in which the first inorganic encapsulation film and the second inorganic encapsulation film do not overlap, and in a direction perpendicular to a thickness direction, the organic encapsulation film and the hydrophobic coating layer are spaced apart from each other with the second inorganic encapsulation film therebetween.

公开(公告)号：US20230240096A1

公开(公告)日：2023-07-27

申请号：US18069946

申请日：2022-12-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： WOO YONG SUNG ,  SEUNGYONG SONG ,  KWANHYUCK YOON ,  JEONGSEOK LEE

IPC: H10K59/122 ,  H10K59/80 ,  H10K59/12 ,  H01L33/56

CPC classification number: H10K59/122 ,  H01L33/56 ,  H10K59/873 ,  H10K59/1201 ,  H10K59/80516 ,  H10K59/80522 ,  H01L2933/005

Abstract: A display device includes a base layer, a circuit layer on the base layer, an auxiliary pixel defining layer disposed on the circuit layer and that includes a first opening adjacent to the circuit layer and a second opening above the first opening, an inorganic protective layer disposed on the auxiliary pixel defining layer and that includes a third opening above the second opening, a pixel defining layer disposed on the inorganic protective layer and that includes a fourth opening above the third opening, a light-emitting element disposed on the circuit layer and that includes a first electrode, a functional layer disposed on the first electrode, and a second electrode disposed on the functional layer, an auxiliary electrode layer that covers the pixel defining layer and the light-emitting element, and an inorganic layer disposed on the auxiliary electrode layer and that overlaps the pixel defining layer and the light-emitting element.

公开(公告)号：US20230232659A1

公开(公告)日：2023-07-20

申请号：US17964397

申请日：2022-10-12

Applicant: Samsung Display Co., Ltd.

Inventor： SEUNGWOOK KWON ,  WOO YONG SUNG ,  SEUNGGUN CHAE ,  SEUNG-YEON CHAE

IPC: H01L51/52 ,  H01L51/00 ,  H01L51/56

CPC classification number: H01L51/529 ,  H01L51/003 ,  H01L51/0097 ,  H01L51/56 ,  H01L2251/5338 ,  H01L2251/5369

Abstract: A display device includes a display panel including a base layer, a first heat dissipation member disposed on a first surface of the base layer, and a second heat dissipation member disposed on a first surface of the first heat dissipation member. The first heat dissipation member includes a first polymer resin and first metal nano-particles dispersed in the first polymer resin, and the second heat dissipation member includes a second polymer resin and second metal nano-particles dispersed in the second polymer resin. The weight of the first metal nano-particles in the first heat dissipation member may be different from the weight of the second metal nano-particles in the second heat dissipation member.

公开(公告)号：US20230122827A1

公开(公告)日：2023-04-20

申请号：US17886793

申请日：2022-08-12

Applicant: Samsung Display Co., Ltd.

Inventor： JINHO HYUN ,  HEECHANG YOON ,  HYOUNG SUB LEE ,  HYEMIN LEE ,  WOO YONG SUNG ,  SEUNGYONG SONG

IPC: H01L27/32

Abstract: A display device includes a first region including a first light emitting element including a first electrode, a second region including a second light emitting element including a second electrode, a pixel defining layer including a first sidewall defining a first opening corresponding to the first electrode and a second sidewall defining a second opening corresponding to the second electrode, a first spacer which protrudes from the pixel defining layer in the first region and includes a first edge closest to the first opening, and a second spacer which protrudes from the pixel defining layer in the second region and includes a second edge closest to the second opening. A distance between the first sidewall and the first edge, is smaller than a distance between the second sidewall and the second edge.

公开(公告)号：US20210043858A1

公开(公告)日：2021-02-11

申请号：US16866825

申请日：2020-05-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： WONWOO CHOI ,  WOO YONG SUNG

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  B41M5/00

Abstract: A method for manufacturing the display device includes preparing a display panel on which a folding area folded with reference to a virtual folding axis and first and second non-folding areas, which are adjacent to both sides of the folding area, are defined and which displays an image, providing a resin on a first surface of the display panel, primarily hardening the resin, and secondarily hardening first and second resin areas of the resin, which respectively correspond to the first non-folding area and the second non-folding area of the display panel.