公开(公告)号：US20250107345A1

公开(公告)日：2025-03-27

申请号：US18780612

申请日：2024-07-23

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/35

Abstract: A display panel includes a base layer, a transistor disposed on the base layer, a common electrode disposed on the transistor, a conductive barrier wall that is disposed on the common electrode and that has a barrier wall opening, a barrier wall insulating layer disposed on the conductive barrier wall, and a light emitting element that is disposed on the barrier wall insulating layer and that includes a first electrode electrically connected to the transistor, an emission pattern disposed on the first electrode, and a second electrode disposed on the emission pattern and electrically connected with the conductive barrier wall.

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：US20240206280A1

公开(公告)日：2024-06-20

申请号：US18520126

申请日：2023-11-27

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Hun KIM ,  Jeong Seok LEE ,  WOOCHEOL PARK ,  Seung Yong SONG ,  Hee Jun YANG ,  Kwan Hyuck YOON ,  CHANGHEE LEE

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/123

CPC classification number: H10K59/80523 ,  H10K59/1201 ,  H10K59/123

Abstract: The present disclosure relates to a display device and a method for manufacturing the same. A display device, according to an embodiment, includes: a substrate; a thin film transistor on the substrate; a first electrode connected to the thin film transistor; a light emitting layer on the first electrode; and a second electrode on the light emitting layer. The second electrode includes a metal material and a graphene material that are mixed.

公开(公告)号：US20250024734A1

公开(公告)日：2025-01-16

申请号：US18432628

申请日：2024-02-05

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Seok LEE ,  Woo Yong SUNG ,  Hee Jun YANG

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122 ,  H10K59/38 ,  H10K71/20 ,  H10K102/00

Abstract: A display device includes emission areas, light emitting elements in the emission areas, a first bank layer having side surfaces exposed to emission area openings, and a second bank layer which protrudes further than the side surfaces of the first bank layer at the emission area openings and includes an upper surface, a first inorganic pattern in a first emission area opening and spaced apart from the upper surface of the second bank layer, and a second inorganic pattern in a second emission area opening and spaced apart from each of the first inorganic pattern and the upper surface of the second bank layer, and a dam which is on the second bank layer between the first inorganic pattern and the second inorganic pattern and spaced apart therefrom.

公开(公告)号：US20230038597A1

公开(公告)日：2023-02-09

申请号：US17880588

申请日：2022-08-03

Applicant: Samsung Display Co., LTD.

Inventor： Soo Youn KIM ,  Hee Jun YANG ,  Seung Ho YOON ,  Se Hoon JEONG

IPC: H01J37/32 ,  H01L21/3065 ,  H01L21/56

Abstract: A method for manufacturing a display device according to an embodiment includes: forming a display panel including a first substrate, a second substrate facing the first substrate, an emission layer disposed between the first substrate and the second substrate, a pad portion disposed on the first substrate, and a thin film encapsulation layer disposed on the pad portion; removing the thin film encapsulation layer disposed on the pad portion by using a plasma processing device; and attaching a flexible circuit board on which an integrated circuit chip is mounted to the pad portion exposed by removing the thin film encapsulation layer.

公开(公告)号：US20250143141A1

公开(公告)日：2025-05-01

申请号：US18740509

申请日：2024-06-12

Applicant: Samsung Display Co., Ltd.

Inventor： Woo Yong SUNG ,  Seung Yong SONG ,  Hee Jun YANG ,  Jeong Seok LEE

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

Abstract: A display device includes a non-light emitting area between first and second light emitting portions; a first light emitting structure including a first display element on the first light emitting portion; a first thin film encapsulation layer on the first light emitting structure; and a second light emitting structure on the first thin film encapsulation layer and including a second display element overlapping the second light emitting portion. The first light emitting structure includes a first pixel defining layer defining a first opening and a bank structure on the first pixel defining layer and including first and second bank layers. The second bank layer includes a tip that protrudes toward the first light emitting portion more than a side surface of the first bank layer. The second display element overlaps the first pixel defining layer and contacts the second bank layer.

公开(公告)号：US20240284715A1

公开(公告)日：2024-08-22

申请号：US18444039

申请日：2024-02-16

Applicant: Samsung Display Co., LTD.

Inventor： SUBIN BAE ,  Hee Jun YANG ,  TAEWOOK KANG ,  DAWOON JUNG ,  YU-GWANG JEONG

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80 ,  H10K59/88 ,  G09G3/3233

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/8731 ,  H10K59/88 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852

Abstract: A display panel includes a base layer, a pixel defining film disposed on the base layer and including an inorganic material, a bank layer which is disposed on the pixel defining film and in which a plurality of pixel openings is defined, a plurality of light-emitting elements disposed in each of the plurality of pixel openings and including an anode, a light-emitting pattern, and a cathode. The cathode contacts the bank layer, a dummy pattern disposed on the bank layer, an inorganic encapsulation pattern disposed on the cathode and including a portion disposed on the dummy pattern, an organic pattern disposed on the inorganic encapsulation pattern, and an inorganic film disposed on the organic pattern. A portion of the inorganic film is disposed between the dummy pattern and the bank layer.

公开(公告)号：US20230143994A1

公开(公告)日：2023-05-11

申请号：US17856464

申请日：2022-07-01

Applicant: Samsung Display Co., LTD.

Inventor： Soo Youn KIM ,  Seung Hun KIM ,  Seung Yong SONG ,  Hee Jun YANG ,  Kwan Hyuck YOON ,  Seung Ho YOON ,  Moon Won CHANG ,  Se Hoon JEONG

IPC: H01L27/32

CPC classification number: H01L27/3276 ,  H01L27/3293 ,  H01L2227/323

Abstract: A display device includes a first substrate including a first contact hole, fan-out lines in a first metal layer, a second substrate on the first metal layer and including a second contact hole, connection lines in a second metal layer and into the second contact hole connected to the fan-out lines, a thin film transistor in an active layer and a third metal layer on the second metal layer, and a flexible film on a surface of the first substrate and into the first contact hole connected to the fan-out lines. An etching angle of the first contact hole between a top surface of the first substrate and an inner surface of the first contact hole is less than an etching angle of the second contact hole between top surfaces of the fan-out lines and an inner surface of the second contact hole.

公开(公告)号：US20250143092A1

公开(公告)日：2025-05-01

申请号：US18761593

申请日：2024-07-02

Applicant: Samsung Display Co., LTD.

Inventor： Woo Yong SUNG ,  Seung Yong SONG ,  Hee Jun YANG ,  Jeong Seok LEE

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/131 ,  H10K59/80

Abstract: A display device includes a substrate including an emission area including first and second emission portions, and a non-emission area between the first and second emission portions; a first light-emitting member including a first display element on the first emission portion of the substrate; a first thin-film encapsulation layer on the first light-emitting member; and a second light-emitting member on the first thin-film encapsulation layer and including a second display element overlapping the second emission portion, wherein the first light-emitting member includes a first pixel-defining layer defining a first opening; and a bank member on the first pixel-defining layer and including a first bank layer and a second bank layer, the second display element overlaps the first pixel-defining layer and the bank member in a direction perpendicular to the substrate, and the second display element is in contact with the second bank layer in a direction toward the substrate.

公开(公告)号：US20250120263A1

公开(公告)日：2025-04-10

申请号：US18764544

申请日：2024-07-05

Applicant: Samsung Display Co., LTD.

Inventor： Hee Jun YANG ,  WOO YONG SUNG ,  YONGHAN LEE ,  JEONGSEOK LEE

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

Abstract: A display panel includes a base layer, a pixel defining film disposed on the base layer and having a light emitting opening, a partition wall including a first partition wall layer disposed on the pixel defining film and a second partition wall layer disposed on the first partition wall layer, where a partition wall opening is defined in the partition wall to overlap the light emitting opening, and a light emitting element including an anode, an intermediate layer, and a cathode in contact with the partition wall, where at least a portion of the light emitting element is disposed inside the partition wall opening, where a first inner surface of the first partition wall layer and a second inner surface of the second partition wall layer are aligned with each other.