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：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：US20230253523A1

公开(公告)日：2023-08-10

申请号：US18075766

申请日：2022-12-06

Applicant: Samsung Display Co., LTD.

Inventor： HEENA KIM ,  SANGJIN PARK ,  INKYUNG YOO ,  SANG JIN LEE

IPC: H01L33/00

CPC classification number: H01L33/005 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A method of providing a display device includes providing a preliminary active layer, providing a preliminary insulation layer on the preliminary active layer, providing a doped area of the preliminary active layer, the providing of the doped area including providing impurities through the preliminary insulation layer on the preliminary active layer and to a portion of the preliminary active layer corresponding to the doped area, providing removal of the preliminary insulation layer from the preliminary active layer having the doped area, and providing crystallizing of the preliminary active layer having the doped area, the providing of the crystallizing including irradiating a laser to the preliminary active layer having the doped area to define an active layer of the display device which has the doped area.

公开(公告)号：US20230137822A1

公开(公告)日：2023-05-04

申请号：US17879472

申请日：2022-08-02

Applicant: Samsung Display Co., LTD.

Inventor： INKYUNG YOO ,  HEENA KIM ,  SANG JIN LEE

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

Abstract: A display panel that includes a substrate that has a first area, a second area surrounding the first area, a third area surrounding the second area, a partition on the substrate in the second area, a first layer and a second layer on the first layer, and at least one groove on an upper surface of the second layer and a display element layer on the substrate in the third area and adjacent to the partition is provided.