公开(公告)号：US20220085131A1

公开(公告)日：2022-03-17

申请号：US17307881

申请日：2021-05-04

Applicant: Samsung Display Co., Ltd.

Inventor： YOUNGSEOK BAEK ,  SANGJIN PARK ,  CHONGSUP CHANG ,  EUI KANG HEO

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

Abstract: A display device includes: a first active pattern on a light blocking pattern; a second active pattern at a same layer as that of the first active pattern; a first insulating pattern on the first active pattern; a second insulating pattern on the first active pattern, the second insulating pattern being spaced from the first insulating pattern, and having a first contact hole exposing the first active pattern; a first gate electrode on the first insulating pattern; a second gate electrode at a same layer as that of the first gate electrode, and overlapping with the second active pattern; a first etch stopper on the second insulating pattern, and having a second contact hole connected to the first contact hole; and a first electrode on the first etch stopper, the first electrode contacting the light blocking pattern and the first active pattern through the first and second contact holes.

公开(公告)号：US20240237493A1

公开(公告)日：2024-07-11

申请号：US18489937

申请日：2023-10-19

Applicant: Samsung Display Co., Ltd.

Inventor： CHONGSUP CHANG ,  YOUNGSEOK BAEK ,  INKYUNG YOO ,  YONGHAN LEE

IPC: H10K59/80 ,  H10K71/20 ,  H10K71/60

CPC classification number: H10K59/873 ,  H10K71/231 ,  H10K71/60

Abstract: A display device including a first lower electrode disposed on a base layer, an insulating film disposed on the base layer, a conductive barrier rib disposed on the insulating film and having a first opening defined therein and corresponding to a light-emitting region, a first light-emitting pattern disposed on the first lower electrode inside the first opening, a first upper electrode disposed on the first light-emitting pattern and contacting an inner side surface of the conductive barrier rib defining the first opening, and a first inorganic encapsulation pattern, disposed in the first opening, and contacting the inner side surface of the conductive barrier rib, wherein a central portion of an upper surface of the first inorganic encapsulation pattern and a peripheral portion surrounding the central portion of the upper surface of the first inorganic encapsulation pattern may form a step difference.

公开(公告)号：US20240298477A1

公开(公告)日：2024-09-05

申请号：US18517753

申请日：2023-11-22

Applicant: Samsung Display Co., LTD.

Inventor： YOUNGSEOK BAEK ,  SANGJIN PARK ,  DONGHYUN YANG ,  INKYUNG YOO

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: Provided is a display panel including a base layer, an insulating layer having a groove defined thereon and disposed on the base layer, an anode disposed in the groove, a pixel defining layer disposed on the insulating layer and having a first light-emitting opening defined therein and exposing at least a portion of the anode, a partition wall having a partition wall opening defined therein and corresponding to the light-emitting opening, including a tip portion, and disposed on the pixel defining layer, a cathode at least partially disposed in the partition wall opening and in contact with an inner side surface of the partition wall defining the partition wall opening, and a light-emitting pattern disposed between the anode and the cathode, wherein the anode includes a first portion and a second portion protruding from the first portion toward the pixel defining layer and covered by the pixel defining layer.

公开(公告)号：US20250040354A1

公开(公告)日：2025-01-30

申请号：US18783595

申请日：2024-07-25

Applicant: Samsung Display Co., LTD.

Inventor： YOUNGSEOK BAEK ,  CHONGSUP CHANG

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80 ,  H10K59/88 ,  H10K71/60

Abstract: Provided is a display panel including a base layer in which an emission area and a peripheral area adjacent to the emission area are defined, an insulation layer disposed on the base layer and in which a groove overlapping the emission area is defined, a pixel defining film disposed on the insulation layer and in which an emission opening portion overlapping the groove is defined, a partition wall disposed on the pixel defining film and in which a partition wall opening portion overlapping the emission opening portion is defined, and a light emitting element disposed in the partition wall opening portion, the light emitting element including an anode, an intermediate layer, and a cathode that is in contact with the partition wall. The insulation layer includes an inner side surface defining the groove and is inclined at a first angle with respect to a top surface of the base layer.

公开(公告)号：US20230240106A1

公开(公告)日：2023-07-27

申请号：US18193418

申请日：2023-03-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YOUNGSEOK BAEK ,  SANGJIN PARK ,  CHONGSUP CHANG ,  EUI KANG HEO

IPC: H10K59/131 ,  H10K50/86 ,  H10K71/00

CPC classification number: H10K59/131 ,  H10K50/865 ,  H10K71/00

Abstract: A display device includes: a first active pattern on a light blocking pattern; a second active pattern at a same layer as that of the first active pattern; a first insulating pattern on the first active pattern; a second insulating pattern on the first active pattern, the second insulating pattern being spaced from the first insulating pattern, and having a first contact hole exposing the first active pattern; a first gate electrode on the first insulating pattern; a second gate electrode at a same layer as that of the first gate electrode, and overlapping with the second active pattern; a first etch stopper on the second insulating pattern, and having a second contact hole connected to the first contact hole; and a first electrode on the first etch stopper, the first electrode contacting the light blocking pattern and the first active pattern through the first and second contact holes.